Denial of Service Vulnerability in libarchive TAR Utility
CVE-2025-25724

7.8HIGH

Key Information:

Vendor

Libarchive

Status
Libarchive
Vendor
CVE Published:
2 March 2025

What is CVE-2025-25724?

The libarchive TAR utility contains a vulnerability in the list_item_verbose function located in tar/util.c. This flaw occurs due to the absence of checks on the return value of strftime, leading to potential denial of service scenarios or other unspecified impacts. When processing a crafted TAR archive with a verbose setting of 2, the utility may attempt to write to a 100-byte buffer that is inadequate for certain custom locales, resulting in unintended disruptions in service.

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Affected Version(s)

libarchive 0 <= 3.7.7

References

https://github.com/Ekkosun/pocs/blob/main/bsdtarbug
https://github.com/libarchive/libarchive/blob/b439d586f53...
https://gist.github.com/Ekkosun/a83870ce7f3b7813b9b462a39...

CVSS V3.1

Score:
7.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

JSON
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