Protect yourself against future threats.
-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2019.2341 IBM QRadar Network Security is affected by Linux kernel vulnerabilities 28 June 2019 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: IBM QRadar Network Security Publisher: IBM Operating System: Network Appliance Impact/Access: Execute Arbitrary Code/Commands -- Remote/Unauthenticated Root Compromise -- Existing Account Access Privileged Data -- Existing Account Denial of Service -- Existing Account Resolution: Patch/Upgrade CVE Names: CVE-2019-7221 CVE-2019-6974 CVE-2018-17972 CVE-2018-14646 CVE-2018-14634 CVE-2018-13405 CVE-2018-10883 CVE-2018-10881 CVE-2018-10879 CVE-2018-10878 CVE-2018-9568 CVE-2018-7740 CVE-2018-5344 CVE-2018-1094 CVE-2018-1092 CVE-2017-18344 CVE-2017-18208 CVE-2017-10661 CVE-2016-4913 CVE-2015-8830 Reference: ASB-2019.0084 ASB-2019.0065 ASB-2019.0046 ASB-2019.0002 ASB-2018.0295 ASB-2017.0127 Original Bulletin: http://www.ibm.com/support/docview.wss?uid=ibm10881053 http://www.ibm.com/support/docview.wss?uid=ibm10883258 Comment: This bulletin contains two (2) IBM security advisories. - --------------------------BEGIN INCLUDED TEXT-------------------- IBM QRadar Network Security is affected by Linux kernel vulnerabilities Product: IBM QRadar Network Security Software version: 5.4.0, 5.5.0 Operating system(s): Firmware Reference #: 0881053 Security Bulletin Summary IBM QRadar Network Security is affected by Linux kernel vulnerabilities Vulnerability Details CVEID: CVE-2018-14646 DESCRIPTION: Linux Kernel is vulnerable to a denial of service, caused by a NULL pointer dereference in the __netlink_ns_capable() function in the net/ netlink/af_netlink.c. By assigning a net namespace with a netnsid, a local attacker could exploit this vulnerability to cause a kernel panic. CVSS Base Score: 6.2 CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/ 153296 for the current score CVSS Environmental Score*: Undefined CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H) CVEID: CVE-2018-14634 DESCRIPTION: Linux Kernel could allow a local authenticated attacker to gain elevated privileges on the system, caused by an integer overflow in the create_elf_tables function. By using a specially-crafted binary file, an attacker could exploit this vulnerability to obtain full root privileges. CVSS Base Score: 7.8 CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/ 150310 for the current score CVSS Environmental Score*: Undefined CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H) CVEID: CVE-2018-13405 DESCRIPTION: Linux Kernel could allow a local attacker to gain elevated privileges on the system, caused by a flaw in the fs/inode.c:inode_init_owner() function. An attacker could exploit this vulnerability to create files with an unintended group ownership. CVSS Base Score: 4 CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/ 146434 for the current score CVSS Environmental Score*: Undefined CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N) CVEID: CVE-2018-10883 DESCRIPTION: Linux Kernel is vulnerable to a denial of service, caused by an out-of-bounds write in the jbd2_journal_dirty_metadata() function. By mounting and operating on a specially crafted ext4 filesystem image, a local attacker could exploit this vulnerability to cause the system to crash. CVSS Base Score: 6.2 CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/ 147830 for the current score CVSS Environmental Score*: Undefined CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H) CVEID: CVE-2018-10881 DESCRIPTION: Linux Kernel is vulnerable to a denial of service, caused by an out-of-bound access in the ext4_get_group_info function. By mounting and operating on a specially crafted ext4 filesystem image, a local attacker could exploit this vulnerability to cause the system to crash. CVSS Base Score: 6.2 CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/ 147820 for the current score CVSS Environmental Score*: Undefined CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H) CVEID: CVE-2018-10879 DESCRIPTION: Linux Kernel is vulnerable to a denial of service, caused by a use-after-free in the ext4_xattr_set_entry function. By renaming a file a specially crafted ext4 filesystem image, a local attacker could exploit this vulnerability to cause the system to crash. CVSS Base Score: 6.2 CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/ 147832 for the current score CVSS Environmental Score*: Undefined CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H) CVEID: CVE-2018-10878 DESCRIPTION: Linux Kernel is vulnerable to a denial of service, caused by an out-of-bounds write in the ext4 filesystem. By mounting and operating on a specially crafted ext4 filesystem image, a local attacker could exploit this vulnerability to cause the system to crash. CVSS Base Score: 6.2 CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/ 147833 for the current score CVSS Environmental Score*: Undefined CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H) CVEID: CVE-2018-7740 DESCRIPTION: Linux Kernel is vulnerable to a denial of service, caused by a flaw in the resv_map_release function in mm/hugetlb.c. By using a specially-crafted application, a local attacker could exploit this vulnerability to cause the system to cause a denial of service. CVSS Base Score: 6.2 CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/ 139974 for the current score CVSS Environmental Score*: Undefined CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H) CVEID: CVE-2018-5344 DESCRIPTION: Linux Kernel is vulnerable to a denial of service, caused by a use-after-free in the drivers/block/loop.c. A local attacker could exploit this vulnerability to cause the system to crash. CVSS Base Score: 4 CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/ 137649 for the current score CVSS Environmental Score*: Undefined CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L) CVEID: CVE-2018-1094 DESCRIPTION: Linux Kernel is vulnerable to a denial of service, caused by a NULL pointer dereference flaw in the ext4_fill_super function in fs/ext4/ super.c. By persuading a victim to open a specially-crafted file, a remote attacker could exploit this vulnerability to cause the system to crash. CVSS Base Score: 5.5 CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/ 141198 for the current score CVSS Environmental Score*: Undefined CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H) CVEID: CVE-2018-1092 DESCRIPTION: Linux Kernel is vulnerable to a denial of service, caused by a NULL pointer dereference flaw in the ext4_iget function in fs/ext4/inode.c. By persuading a victim to open a specially-crafted file, a remote attacker could exploit this vulnerability to cause the system to crash. CVSS Base Score: 5.5 CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/ 141196 for the current score CVSS Environmental Score*: Undefined CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H) CVEID: CVE-2017-18344 DESCRIPTION: Linux Kernel could allow a local attacker to obtain sensitive information, caused by an out-of-bounds memory read error in the sigevent-> sigev_notify' field of show_timer() function. An attacker could exploit this vulnerability to obtain kernel memory. CVSS Base Score: 6.2 CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/ 147880 for the current score CVSS Environmental Score*: Undefined CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N) CVEID: CVE-2017-18208 DESCRIPTION: Linux Kernel is vulnerable to a denial of service, caused by a flaw in the madvise_willneed function in mm/madvise.c. By triggering use of MADVISE_WILLNEED for a DAX mapping, a local attacker could exploit this vulnerability to cause a denial of service. CVSS Base Score: 6.2 CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/ 139764 for the current score CVSS Environmental Score*: Undefined CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H) CVEID: CVE-2017-10661 DESCRIPTION: Linux Kernel could allow a local attacker to gain elevated privileges on the system, caused by a race condition in fs/timerfd.c. An attacker could exploit this vulnerability to gain privileges or cause a denial of service. CVSS Base Score: 5.9 CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/ 130802 for the current score CVSS Environmental Score*: Undefined CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L) CVEID: CVE-2016-4913 DESCRIPTION: Linux Kernel could allow a local attacker to obtain sensitive information, caused by the improper handling of NM entries containing NUL characters by the get_rock_ridge_filename function in fs/isofs/rock.c. An attacker could exploit this vulnerability using a specially crafted isofs filesystem to read from kernel memory locations. CVSS Base Score: 6.2 CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/ 113397 for the current score CVSS Environmental Score*: Undefined CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N) CVEID: CVE-2015-8830 DESCRIPTION: Linux Kernel could allow a remote attacker to execute arbitrary code on the system, caused by an integer overflow in the AIO interface. By applying to certain filesystems, socket or device types, an attacker could exploit this vulnerability to execute arbitrary code on the system. CVSS Base Score: 7.3 CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/ 111186 for the current score CVSS Environmental Score*: Undefined CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L) Affected Products and Versions IBM QRadar Network Security 5.4.0 IBM QRadar Network Security 5.5.0 Remediation/Fixes +------------------+-----+---------------------------------------------------------------------------------------------+ |Product |VRMF |Remediation/First Fix | +------------------+-----+---------------------------------------------------------------------------------------------+ | | |Install Firmware 5.4.0.8 from the Available Updates page of the Local | | | |Management Interface, or by performing a One Time Scheduled Installation from | |IBM QRadar Network| |SiteProtector. | |Security |5.4.0|Or | | | |Download Firmware 5.4.0.8 from IBM Security License Key and Download Center and | | | |upload and install via the Available Updates page of the Local Management | | | |Interface. | +------------------+-----+---------------------------------------------------------------------------------------------+ | | |Install Firmware 5.5.0.3 from the Available Updates page of the Local | | | |Management Interface, or by performing a One Time Scheduled Installation from | |IBM QRadar Network| |SiteProtector. | |Security |5.5.0|Or | | | |Download Firmware 5.5.0.3 from IBM Security License Key and Download Center and | | | |upload and install via the Available Updates page of the Local Management | | | |Interface. | +------------------+-----+---------------------------------------------------------------------------------------------+ Change History June 27, 2019: Original Version Published - ---- IBM QRadar Network Security is affected by Linux kernel vulnerabilities (CVE-2019-7221, CVE-2019-6974, CVE-2018-17972, CVE-2018-9568) Product: IBM QRadar Network Security Software version: 5.4.0, 5.5.0 Operating system(s): Firmware Reference #: 0883258 Security Bulletin Summary IBM QRadar Network Security is affected by Linux kernel vulnerabilities Vulnerability Details CVEID: CVE-2019-7221 DESCRIPTION: Linux Kernel is vulnerable to a denial of service, caused by a use-after-free in the way KVM hypervisor emulates a preemption timer for L2 guests when nested (=1) virtualization is enabled.. A local authenticated attacker could exploit this vulnerability to crash the host kernel and possibly gain privileged access to a system. CVSS Base Score: 7.5 CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/ 157079 for the current score CVSS Environmental Score*: Undefined CVSS Vector: (CVSS:3.0/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H) CVEID: CVE-2019-6974 DESCRIPTION: Linux Kernel is vulnerable to a denial of service, caused by the improper handling of reference counting by kvm_ioctl_create_device in virt/kvm/ kvm_main.c. A local authenticated attacker could exploit this vulnerability to trigger a use-after-free to crash the guest VM and possibly gain privileged access to a system. CVSS Base Score: 7.8 CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/ 157074 for the current score CVSS Environmental Score*: Undefined CVSS Vector: (CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H) CVEID: CVE-2018-17972 DESCRIPTION: Linux Kernel could allow a local attacker to obtain sensitive information, caused by a flaw in the proc_pid_stack function in fs/proc/base.c. By sending a specially-crafted request, a local attacker could exploit this vulnerability to obtain kernel task stack contents. CVSS Base Score: 6.2 CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/ 150826 for the current score CVSS Environmental Score*: Undefined CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N) CVEID: CVE-2018-9568 DESCRIPTION: Google Android could allow a local attacker to gain elevated privileges on the system, caused by a type confusion flaw in the sk_clone_lock function in sock.c. By sending a specially-crafted request, an attacker could exploit this vulnerability to gain elevated privileges. CVSS Base Score: 8.4 CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/ 153889 for the current score CVSS Environmental Score*: Undefined CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H) Affected Products and Versions IBM QRadar Network Security 5.4.0 IBM QRadar Network Security 5.5.0 Remediation/Fixes +------------------+-----+---------------------------------------------------------------------------------------------+ |Product |VRMF |Remediation/First Fix | +------------------+-----+---------------------------------------------------------------------------------------------+ | | |Install Firmware 5.4.0.8 from the Available Updates page of the Local | | | |Management Interface, or by performing a One Time Scheduled Installation from | |IBM QRadar Network| |SiteProtector. | |Security |5.4.0|Or | | | |Download Firmware 5.4.0.8 from IBM Security License Key and Download Center and | | | |upload and install via the Available Updates page of the Local Management | | | |Interface. | +------------------+-----+---------------------------------------------------------------------------------------------+ | | |Install Firmware 5.5.0.3 from the Available Updates page of the Local | | | |Management Interface, or by performing a One Time Scheduled Installation from | |IBM QRadar Network| |SiteProtector. | |Security |5.5.0|Or | | | |Download Firmware 5.5.0.3 from IBM Security License Key and Download Center and | | | |upload and install via the Available Updates page of the Local Management | | | |Interface. | +------------------+-----+---------------------------------------------------------------------------------------------+ Change History June 27, 2019: Original Version Published - --------------------------END INCLUDED TEXT-------------------- You have received this e-mail bulletin as a result of your organisation's registration with AusCERT. The mailing list you are subscribed to is maintained within your organisation, so if you do not wish to continue receiving these bulletins you should contact your local IT manager. If you do not know who that is, please send an email to auscert@auscert.org.au and we will forward your request to the appropriate person. NOTE: Third Party Rights This security bulletin is provided as a service to AusCERT's members. As AusCERT did not write the document quoted above, AusCERT has had no control over its content. The decision to follow or act on information or advice contained in this security bulletin is the responsibility of each user or organisation, and should be considered in accordance with your organisation's site policies and procedures. AusCERT takes no responsibility for consequences which may arise from following or acting on information or advice contained in this security bulletin. NOTE: This is only the original release of the security bulletin. It may not be updated when updates to the original are made. If downloading at a later date, it is recommended that the bulletin is retrieved directly from the author's website to ensure that the information is still current. Contact information for the authors of the original document is included in the Security Bulletin above. If you have any questions or need further information, please contact them directly. Previous advisories and external security bulletins can be retrieved from: https://www.auscert.org.au/bulletins/ =========================================================================== Australian Computer Emergency Response Team The University of Queensland Brisbane Qld 4072 Internet Email: auscert@auscert.org.au Facsimile: (07) 3365 7031 Telephone: (07) 3365 4417 (International: +61 7 3365 4417) AusCERT personnel answer during Queensland business hours which are GMT+10:00 (AEST). On call after hours for member emergencies only. =========================================================================== -----BEGIN PGP SIGNATURE----- Comment: http://www.auscert.org.au/render.html?it=1967 iQIVAwUBXRVhDmaOgq3Tt24GAQgt7A//f8XJJk2MD+O3pFjouOggHwvRyKar1QR2 EIXzj1ZSPynfjjN+k2ecEWIEv9R5d926AjyahEmZJDHWHNT5eAkjHi01tzmhdDBw mPogGLs8TTpc0hqUkZGIUkQaOdZtBvry6gHqCdmi7LwoT99hn3nGzdc1XZWuBbLy y35ikjGnKEIm/PwxxTLnYWqRpaH/sy5wUsI0Gl2ReM1d/SwxqNNwZu9RvEMn/LYB 5ryWvN2SP8U9I9ODwvAko9CzdrMpznZLwbM7OF9wUKB48o7+gBb/frprwrAxzteJ 1ww38J+qGxlv8kxt/xusbw3dpQq/y6XYP2HY4CSY+K/jA5m6nJns9EI5Y7PTBFzn t4GKiq4dIGSCSsfyDSeUspt+0As2jsxAIcFdRsIyQUSbfo6GPfljimpwQJdd+k2q AJ4eWyNRaxGz7CiFxMIXjvdJ3lzPOOUYFO4xhKqcHdzoZppXDzdJ9NyI+OlhA0GB 1JLsA8qh1tYzkbXRuYOPALAx865JQrmrJIWWwDum/0yiA4rpMAGLgEp1ePC9Dkec pVei6raM2ALPiou7LysmpGfoHqQKhSwTEPVmSxUDBqt7+Chg5AYHE0RnqzkMLQTR wGzy1LCgCCXoG58r+d0aO1/0F9bg/UDfWDSIjo0irA3v1UmHyzwdUc8t1Vgvc8yT XUeE0/WY4No= =4R03 -----END PGP SIGNATURE-----