Vulnerability in PHP Archive Tar
CVE-2021-32610
In Archive_Tar before 1.4.14, symlinks can refer to targets outside of the extracted archive, a different vulnerability than CVE-2020-36193.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.1 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N.
EPSS exploit prediction
EPSS: 0.734 (99.5th percentile), scored .
High probability of exploitation in the next 30 days — patch promptly. 99th percentile — 99.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.734 · newest: 0.734 · change: 0.000
Affected products
- PHP Archive Tar
- Debian Linux — versions 9.0
- Fedoraproject Fedora — versions 33, 34, 35
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.drupal.org/sa-core-2021-004 (Third Party Advisory)
- lists.debian.org/debian-lts-announce/2021/07/msg00023.html (mailing-list, Mailing List, Third Party Advisory)
- github.com/pear/Archive_Tar/releases/tag/1.4.14 (Third Party Advisory, Release Notes)
- github.com/pear/Archive_Tar/commit/b5832439b1f37331fb4f87e67fe4f (Patch, Third Party Advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- github.com/pear/Archive_Tar/commit/7789ebb2f34f9e4adb3a4152ad0d1548930a9755 (Patch, Third Party Advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
Frequently asked questions
- What is CVE-2021-32610?
- CVE-2021-32610 is a high-severity vulnerability in PHP Archive Tar, classified under Improper Link Resolution Before File Access. CVSS score: 7.1/10. Published 2021-07-30.
- How severe is CVE-2021-32610?
- High severity. CVSS v3 base score is 7.1 out of 10.
- Is CVE-2021-32610 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.