CVE-2022-48303

Public Exploit

Description

GNU Tar through 1.34 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 in from_header in list.c via a V7 archive in which mtime has approximately 11 whitespace characters.

Category

5.5
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.03%
Vendor Advisory fedoraproject.org Vendor Advisory fedoraproject.org Vendor Advisory gnu.org Vendor Advisory gnu.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://savannah.gnu.org/bugs/?62387 exploit vendor advisory
https://savannah.gnu.org/patch/?10307 patch vendor advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CRY7VEL4AIG3GLIEVCTOXRZNSVYDYYUD/ mailing list third party advisory vendor advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/X5VQYCO52Z7GAVCLRYUITN7KXHLRZQS4/ mailing list third party advisory vendor advisory

Frequently Asked Questions

What is the severity of CVE-2022-48303?
CVE-2022-48303 has been scored as a medium severity vulnerability.
How to fix CVE-2022-48303?
To fix CVE-2022-48303, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2022-48303 being actively exploited in the wild?
It is possible that CVE-2022-48303 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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