CVE-2023-7207: cpio Path Traversal — Fix

Description

Debian's cpio contains a path traversal vulnerability. This issue was introduced by reverting CVE-2015-1197 patches which had caused a regression in --no-absolute-filenames. Upstream has since provided a proper fix to --no-absolute-filenames.

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CVSS v3.1 Score

4.9

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N

Weakness Type (CWE)

CWE-22 Path Traversal

Affected Products

Vendor	Product	Versions
gnu	cpio	All

References

Advisories & Patches

https://git.savannah.gnu.org/cgit/cpio.git/commit/?id=376d663340a9dc91c91a5849e5713f07571c1628 https://git.savannah.gnu.org/cgit/cpio.git/commit/?id=376d663340a9dc91c91a5849e5713f07571c1628

Other References

http://www.openwall.com/lists/oss-security/2024/01/05/1 https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1059163 https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-7207 https://www.openwall.com/lists/oss-security/2023/12/21/8 http://www.openwall.com/lists/oss-security/2024/01/05/1 https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1059163 https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-7207 https://www.openwall.com/lists/oss-security/2023/12/21/8

Frequently Asked Questions

What is CVE-2023-7207? +

Debian's cpio contains a path traversal vulnerability. This issue was introduced by reverting CVE-2015-1197 patches which had caused a regression in --no-absolute-filenames. Upstream has since provided a proper fix to --no-absolute-filenames. It has a CVSS v3.1 base score of 4.9 (MEDIUM).

How severe is CVE-2023-7207? +

CVE-2023-7207 has a CVSS v3.1 score of 4.9 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2023-7207? +

CVE-2023-7207 affects products from gnu, specifically: cpio. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2023-7207? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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