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openSUSE Leap 15.2: 2021:0170-1 Critical: Sudo Memory Leak

opensuse
Calendar Grey January 27, 2021
Dist Opensuse Esm H88
A significant Fedora refresh for sudo addresses multiple severe vulnerabilities to improve overall system integrity. Discover more!
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 critical issue buffer overflow patch important sudo race condition system update system security openSUSE sudo fix openSUSE Leap

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 15.2:

zypper in -t patch openSUSE-2021-170=1

Package List

- openSUSE Leap 15.2 (i586 x86_64):

sudo-1.8.22-lp152.8.6.1

sudo-debuginfo-1.8.22-lp152.8.6.1

sudo-debugsource-1.8.22-lp152.8.6.1

sudo-devel-1.8.22-lp152.8.6.1

sudo-test-1.8.22-lp152.8.6.1

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-2021:0170-1
Rating: important
Affected Products: openSUSE Leap 15.2 ble.

Topics%20covered

Topics Covered

security advisory critical issue buffer overflow patch important sudo race condition system update system security openSUSE sudo fix openSUSE Leap

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