GNU Tar: Out of Bounds Read — GLSA 202402-12

A vulnerability has been discovered in GNU Tar which may lead to an out of bounds read.

Affected packages

Background

The GNU Tar program provides the ability to create tar archives, as well as various other kinds of manipulation.

Description

A vulnerability have been discovered in GNU Tar. Please review the CVE identifier referenced below for details.

Impact

GNU Tar has a one-byte out-of-bounds read that results in use of uninitialized memory for a conditional jump. Exploitation to change the flow of control has not been demonstrated. The issue occurs via a V7 archive in which mtime has approximately 11 whitespace characters.

Workaround

There is no known workaround at this time.

Resolution

 # emerge --sync
 # emerge --ask --oneshot --verbose ">=app-arch/tar-1.34-r3"
 

References

• CVE-2022-48303

Release date
February 18, 2024

Latest revision
February 18, 2024: 1

Severity
high

Exploitable
remote

Bugzilla entries

• 898176