Vulnerability Description
Archive_Tar through 1.4.10 has :// filename sanitization only to address phar attacks, and thus any other stream-wrapper attack (such as file:// to overwrite files) can still succeed.
CVSS Score
7.8
HIGH
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Php | Archive Tar | < 1.4.12 |
| Debian | Debian Linux | 9.0 |
| Fedoraproject | Fedora | 32 |
| Drupal | Drupal | >= 7.0, < 7.75 |
References
- http://packetstormsecurity.com/files/161095/PEAR-Archive_Tar-Arbitrary-File-WritExploitThird Party AdvisoryVDB Entry
- https://github.com/pear/Archive_Tar/issues/33ExploitIssue TrackingVendor Advisory
- https://lists.debian.org/debian-lts-announce/2020/11/msg00045.htmlMailing ListThird Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproMailing ListThird Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproMailing ListThird Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproMailing ListThird Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproMailing ListThird Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproMailing ListThird Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproMailing ListThird Party Advisory
- https://security.gentoo.org/glsa/202101-23Third Party Advisory
- https://www.debian.org/security/2020/dsa-4817Mailing ListThird Party Advisory
- https://www.drupal.org/sa-core-2020-013Third Party Advisory
- http://packetstormsecurity.com/files/161095/PEAR-Archive_Tar-Arbitrary-File-WritExploitThird Party AdvisoryVDB Entry
- https://github.com/pear/Archive_Tar/issues/33ExploitIssue TrackingVendor Advisory
- https://lists.debian.org/debian-lts-announce/2020/11/msg00045.htmlMailing ListThird Party Advisory
FAQ
What is CVE-2020-28949?
CVE-2020-28949 is a vulnerability with a CVSS score of 7.8 (HIGH). Archive_Tar through 1.4.10 has :// filename sanitization only to address phar attacks, and thus any other stream-wrapper attack (such as file:// to overwrite files) can still succeed.
How severe is CVE-2020-28949?
CVE-2020-28949 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2020-28949?
Check the references section above for vendor advisories and patch information. Affected products include: Php Archive Tar, Debian Debian Linux, Fedoraproject Fedora, Drupal Drupal.