Security update for mgetty

SUSE Security Update: Security update for mgetty
Announcement ID: SUSE-SU-2018:2850-1
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 11-SP4
  • SUSE Linux Enterprise Debuginfo 11-SP4

An update that fixes 5 vulnerabilities is now available.

Description:

This update for mgetty fixes the following 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 11-SP4:
    zypper in -t patch slessp4-mgetty-13785=1
  • SUSE Linux Enterprise Debuginfo 11-SP4:
    zypper in -t patch dbgsp4-mgetty-13785=1

Package List:

  • SUSE Linux Enterprise Server 11-SP4 (i586 ia64 ppc64 s390x x86_64):
    • g3utils-1.1.36-28.3.1
    • mgetty-1.1.36-28.3.1
  • SUSE Linux Enterprise Debuginfo 11-SP4 (i586 ia64 ppc64 s390x x86_64):
    • mgetty-debuginfo-1.1.36-28.3.1
    • mgetty-debugsource-1.1.36-28.3.1

References: