Protect yourself against future threats.
-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2019.2344 IBM QRadar Network Security is affected by multiple libssh2 vulnerabilities (CVE-2019-3863, CVE-2019-3857, CVE-2019-3856, CVE-2019-3855) 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 with User Interaction Denial of Service -- Remote with User Interaction Resolution: Patch/Upgrade CVE Names: CVE-2019-3863 CVE-2019-3857 CVE-2019-3856 CVE-2019-3855 Reference: ESB-2019.1967 ESB-2019.1789 ESB-2019.1726 ESB-2019.1301 Original Bulletin: http://www.ibm.com/support/docview.wss?uid=ibm10879341 - --------------------------BEGIN INCLUDED TEXT-------------------- IBM QRadar Network Security is affected by multiple libssh2 vulnerabilities (CVE-2019-3863, CVE-2019-3857, CVE-2019-3856, CVE-2019-3855) Product: IBM QRadar Network Security Software version: 5.4.0, 5.5.0 Operating system(s): Firmware Reference #: 0879341 Security Bulletin Summary IBM QRadar Network Security has addressed the following vulnerabilities. Vulnerability Details CVEID: CVE-2019-3863 DESCRIPTION: libssh2 could allow a remote attacker to execute arbitrary code on the system, caused by an integer overflow in user authenticate keyboard interactive. By sending a specially crafted message, a remote attacker could exploit this vulnerability to trigger an out-of-bounds write and execute arbitrary code on the client system. CVSS Base Score: 7.5 CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/ 158347 for the current score CVSS Environmental Score*: Undefined CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H) CVEID: CVE-2019-3857 DESCRIPTION: libssh2 could allow a remote attacker to execute arbitrary code on the system, caused by an integer overflow. By sending a specially crafted SSH_MSG_CHANNEL_REQUEST packet with an exit signal message, a remote attacker could exploit this vulnerability to trigger an out-of-bounds write and execute arbitrary code on the client system. CVSS Base Score: 7.5 CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/ 158341 for the current score CVSS Environmental Score*: Undefined CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H) CVEID: CVE-2019-3856 DESCRIPTION: libssh2 could allow a remote attacker to execute arbitrary code on the system, caused by an integer overflow in keyboard interactive handling. By sending a specially crafted request, a remote attacker could exploit this vulnerability to trigger an out-of-bounds write and execute arbitrary code on the client system. CVSS Base Score: 7.5 CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/ 158340 for the current score CVSS Environmental Score*: Undefined CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H) CVEID: CVE-2019-3855 DESCRIPTION: libssh2 could allow a remote attacker to execute arbitrary code on the system, caused by an integer overflow in transport read. By sending specially crafted packets, a remote attacker could exploit this vulnerability to trigger an out-of-bounds read and execute arbitrary code on the client system. CVSS Base Score: 7.5 CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/ 158339 for the current score CVSS Environmental Score*: Undefined CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:R/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 iQIVAwUBXRVkZGaOgq3Tt24GAQgFCQ//RrEX3LTThQUhojVI9bgZ97/vGvLHVTKt ImX1vJ4KGLWLb/NYKsJzTajt+tzFeZv5KKR6YPV/om4q8Y1RT5nenxDH+gwQippT EgdRIWLhP+xtdh0+tYBx5B3yK1y+yXoIVtou3YNnjnTc01PvQ0ODKc/b6K+N6PjI BmbgScn9P9DneQFELOUKm76qjUCMcX0b+NTv8iqO7J9xc24lYRLPeYGFyf36crYI miC0NuD365tMW0ZoSl7TMp2YPSRnqf4jB3EsxjRi8EcaRYv8XRzJCJ9ncXwtSMKk h8JmmBC/m5lWqjZ7d76DMjjcJYIg+kJFTJWAU2f7vemgDDXL0Lr4v5w8Y3p87Tl6 kLst+YerYc7f0mo1i8N5YjBuC7OGOIxD5/o/1Poq6re/XYthvcwxxODb9/eUu2MT QLR9kGIsgC/ZihK7lqlVbVYlKCNMF9zEM252jsdrah4Npiw8LWYzCwEzBUe6MU4N ezO3LxwTknrov9XsR/ZQVoXSsAg3TYwFpRHgc4JpfOHL80eie2jdeZV/qI3RUlew Mid7INF+qHy2pIEkHdLmLnVCNcfVHFOc7SXkn4DHj6UiMiRp0Mgmk8tTovX9NvM8 0xFinVG9asdZ1GIX8aE1iwFhyVfHP6998liClJKMCCCA8WdcPiIklK/qrDvlT2Cl Zj1dGSV6Mpc= =b8GV -----END PGP SIGNATURE-----