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openSUSE Leap 15.1: 2021:0169-1 Important: Sudo Buffer Overflow Issue

opensuse
Calendar Grey January 27, 2021
Dist Opensuse Esm H88
openSUSE Security Update: Security update for sudo _________________________________________________
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.

Topics%20covered

Topics Covered

security advisory security update buffer overflow important sudo race condition root privileges openSUSE

Patch

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

Package List

- openSUSE Leap 15.1 (i586 x86_64):

sudo-1.8.22-lp151.5.12.1

sudo-debuginfo-1.8.22-lp151.5.12.1

sudo-debugsource-1.8.22-lp151.5.12.1

sudo-devel-1.8.22-lp151.5.12.1

sudo-test-1.8.22-lp151.5.12.1

References

https://www.suse.com/security/cve/CVE-2021-23239.html

https://www.suse.com/security/cve/CVE-2021-23240.html

https://www.suse.com/security/cve/CVE-2021-3156.html

https://bugzilla.suse.com/1180684

https://bugzilla.suse.com/1180685

https://bugzilla.suse.com/1180687

https://bugzilla.suse.com/1181090

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: openSUSE-SU-2021:0169-1
Rating: important
Affected Products: openSUSE Leap 15.1 ble.

Topics%20covered

Topics Covered

security advisory security update buffer overflow important sudo race condition root privileges openSUSE

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