Path Traversal in GNU Cpio
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.
Vulnerability class: Path Traversal (Directory Traversal)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 4.9 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.009 (58.5th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 59th percentile — 58.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.009 · newest: 0.009 · change: +0.000
Affected products
- GNU Cpio — versions 2.13
- Debian Cpio — versions 0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- git.savannah.gnu.org/cgit/cpio.git/commit/ (Patch, Mailing List, patch)
- bugs.debian.org/cgi-bin/bugreport.cgi (issue-tracking, Issue Tracking)
- www.openwall.com/lists/oss-security/2023/12/21/8 (mailing-list, Mailing List)
- cve.mitre.org/cgi-bin/cvename.cgi (issue-tracking, Third Party Advisory)
- www.openwall.com/lists/oss-security/2024/01/05/1 (Mailing List)
Frequently asked questions
- What is CVE-2023-7207?
- CVE-2023-7207 is a medium-severity vulnerability in GNU Cpio, classified under Path Traversal. CVSS score: 4.9/10. Published 2024-02-29.
- How severe is CVE-2023-7207?
- Medium severity. CVSS v3 base score is 4.9 out of 10.
- Is CVE-2023-7207 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.