Security update for procps

SUSE Security Update: Security update for procps
Announcement ID: SUSE-SU-2018:2042-1
Rating: moderate
References: #1092100
Affected Products:
  • SUSE Linux Enterprise Server 11-SP4

  • An update that fixes 5 vulnerabilities is now available.

    Description:

    This update for procps fixes the following security issues:

    - CVE-2018-1122: Prevent local privilege escalation in top. If a user ran
    top with HOME unset in an attacker-controlled directory, the attacker
    could have achieved privilege escalation by exploiting one of several
    vulnerabilities in the config_file() function (bsc#1092100).
    - CVE-2018-1123: Prevent denial of service in ps via mmap buffer overflow.
    Inbuilt protection in ps maped a guard page at the end of the overflowed
    buffer, ensuring that the impact of this flaw is limited to a crash
    (temporary denial of service) (bsc#1092100).
    - CVE-2018-1124: Prevent multiple integer overflows leading to a heap
    corruption in file2strvec function. This allowed a privilege escalation
    for a local attacker who can create entries in procfs by starting
    processes, which could result in crashes or arbitrary code execution in
    proc utilities run by
    other users (bsc#1092100).
    - CVE-2018-1125: Prevent stack buffer overflow in pgrep. This
    vulnerability was mitigated by FORTIFY limiting the impact to a crash
    (bsc#1092100).
    - CVE-2018-1126: Ensure correct integer size in proc/alloc.* to prevent
    truncation/integer overflow issues (bsc#1092100).

    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-procps-13699=1

    Package List:

    • SUSE Linux Enterprise Server 11-SP4 (i586 ia64 ppc64 s390x x86_64):
      • procps-3.2.7-152.31.1

    References: