CVE-2020-28949

Known Exploited Public Exploit

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.

7.8

CVSS

Severity: High

CVSS 3.1 •

CVSS 2.0 •

EPSS 93.22% Top 5%

KEV Since

Vendor Advisory fedoraproject.org Vendor Advisory fedoraproject.org Vendor Advisory fedoraproject.org Vendor Advisory fedoraproject.org Vendor Advisory debian.org Vendor Advisory gentoo.org Vendor Advisory fedoraproject.org Vendor Advisory fedoraproject.org Vendor Advisory github.com

Affected: n/a n/a

References

Link	Tags
https://github.com/pear/Archive_Tar/issues/33	vendor advisory issue tracking exploit
https://www.drupal.org/sa-core-2020-013	third party advisory
https://lists.debian.org/debian-lts-announce/2020/11/msg00045.html	third party advisory mailing list
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4V35LBRM6HBCXBVCITKQ4UEBTXO2EG7B/	vendor advisory mailing list third party advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NBYZSHYTIOBK6V7C4N7TP6KIKCRKLVWP/	vendor advisory mailing list third party advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KWM4CTMEGAC4I2CHYNJVSROY4CVXVEUT/	vendor advisory mailing list third party advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5KSFM672XW3X6BR7TVKRD63SLZGKK437/	vendor advisory mailing list third party advisory
https://www.debian.org/security/2020/dsa-4817	vendor advisory mailing list third party advisory
http://packetstormsecurity.com/files/161095/PEAR-Archive_Tar-Arbitrary-File-Write.html	third party advisory vdb entry exploit
https://security.gentoo.org/glsa/202101-23	third party advisory vendor advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VJQQYDAOWHD6RDITDRPHFW7WY6BS3V5N/	vendor advisory mailing list third party advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/42GPGVVFTLJYAKRI75IVB5R45NYQGEUR/	vendor advisory mailing list third party advisory

Frequently Asked Questions

What is the severity of CVE-2020-28949?: CVE-2020-28949 has been scored as a high severity vulnerability.
How to fix CVE-2020-28949?: To fix CVE-2020-28949, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2020-28949 being actively exploited in the wild?: It is confirmed that CVE-2020-28949 is actively exploited. Be extra cautious if you are using vulnerable components. According to its EPSS score, there is a ~93% probability that this vulnerability will be exploited by malicious actors in the next 30 days.