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suseSuseOPENSUSE-SU-2021:0169-1
HistoryJan 27, 2021 - 12:00 a.m.

Security update for sudo (important)

2021-01-2700:00:00
lists.opensuse.org
20
sudo
buffer overflow
race condition
symlink attack
debug settings

EPSS

0.958

Percentile

99.5%

An update that solves three vulnerabilities and has one
errata is now available.

Description:

This update for sudo fixes the following issues:

  • A Heap-based buffer overflow in sudo could be exploited to allow a user
    to gain root privileges [bsc#1181090,CVE-2021-3156]
  • It was possible for a user to test for the existence of a directory due
    to a Race Condition in sudoedit [bsc#1180684,CVE-2021-23239]
  • A Possible Symlink Attack vector existed in sudoedit if SELinux was
    running in permissive mode [bsc#1180685, CVE-2021-23240]
  • It was possible for a User to enable Debug Settings not Intended for
    them [bsc#1180687]

This update was imported from the SUSE:SLE-15:Update update project.

Patch Instructions:

To install this openSUSE 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:

  • openSUSE Leap 15.1:

    zypper in -t patch openSUSE-2021-169=1

OSVersionArchitecturePackageVersionFilename
openSUSE Leap15.1i586< - openSUSE Leap 15.1 (i586 x86_64):- openSUSE Leap 15.1 (i586 x86_64):.i586.rpm
openSUSE Leap15.1x86_64< - openSUSE Leap 15.1 (i586 x86_64):- openSUSE Leap 15.1 (i586 x86_64):.x86_64.rpm