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AUSCERT External Security Bulletin Redistribution
ESB-2018.2973
SUSE Security Update: Security update for mgetty
3 October 2018
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AusCERT Security Bulletin Summary
---------------------------------
Product: mgetty
Publisher: SUSE
Operating System: SUSE
Impact/Access: Execute Arbitrary Code/Commands -- Existing Account
Denial of Service -- Existing Account
Resolution: Patch/Upgrade
CVE Names: CVE-2018-16745 CVE-2018-16744 CVE-2018-16743
CVE-2018-16742 CVE-2018-16741
Reference: ESB-2018.2928
ESB-2018.2883
ESB-2018.2707
Original Bulletin:
https://www.suse.com/support/update/announcement/2018/suse-su-20182979-1.html
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SUSE Security Update: Security update for mgetty
______________________________________________________________________________
Announcement ID: SUSE-SU-2018:2979-1
Rating: important
References: #1108752 #1108756 #1108757 #1108761 #1108762
Cross-References: CVE-2018-16741 CVE-2018-16742 CVE-2018-16743
CVE-2018-16744 CVE-2018-16745
Affected Products:
SUSE Linux Enterprise Server 12-SP3
SUSE Linux Enterprise Desktop 12-SP3
______________________________________________________________________________
An update that fixes 5 vulnerabilities is now available.
Description:
This update for mgetty fixes the following security issues:
- CVE-2018-16741: The function do_activate() did not properly sanitize
shell metacharacters to prevent command injection (bsc#1108752)
- CVE-2018-16745: The mail_to parameter was not sanitized, leading to a
buffer
overflow if long untrusted input reached it (bsc#1108756)
- CVE-2018-16744: The mail_to parameter was not sanitized, leading to
command injection if untrusted input reached reach it (bsc#1108757)
- CVE-2018-16742: Prevent stack-based buffer overflow that could have been
triggered via a command-line parameter (bsc#1108762)
- CVE-2018-16743: The command-line parameter username wsa passed
unsanitized to strcpy(), which could have caused a stack-based buffer
overflow (bsc#1108761)
Patch Instructions:
To install this SUSE Security Update use the SUSE recommended installation methods
like YaST online_update or "zypper patch".
Alternatively you can run the command listed for your product:
- SUSE Linux Enterprise Server 12-SP3:
zypper in -t patch SUSE-SLE-SERVER-12-SP3-2018-2122=1
- SUSE Linux Enterprise Desktop 12-SP3:
zypper in -t patch SUSE-SLE-DESKTOP-12-SP3-2018-2122=1
Package List:
- SUSE Linux Enterprise Server 12-SP3 (aarch64 ppc64le s390x x86_64):
g3utils-1.1.36-58.3.1
g3utils-debuginfo-1.1.36-58.3.1
mgetty-1.1.36-58.3.1
mgetty-debuginfo-1.1.36-58.3.1
mgetty-debugsource-1.1.36-58.3.1
- SUSE Linux Enterprise Desktop 12-SP3 (x86_64):
g3utils-1.1.36-58.3.1
g3utils-debuginfo-1.1.36-58.3.1
mgetty-1.1.36-58.3.1
mgetty-debuginfo-1.1.36-58.3.1
mgetty-debugsource-1.1.36-58.3.1
References:
https://www.suse.com/security/cve/CVE-2018-16741.html
https://www.suse.com/security/cve/CVE-2018-16742.html
https://www.suse.com/security/cve/CVE-2018-16743.html
https://www.suse.com/security/cve/CVE-2018-16744.html
https://www.suse.com/security/cve/CVE-2018-16745.html
https://bugzilla.suse.com/1108752
https://bugzilla.suse.com/1108756
https://bugzilla.suse.com/1108757
https://bugzilla.suse.com/1108761
https://bugzilla.suse.com/1108762
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