CVE-2020-28949 Information

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 Vector

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

Reference

https://github.com/pear/Archive_Tar/issues/33 https://lists.debian.org/debian-lts-announce/2020/11/msg00045.html https://lists.fedoraproject.org/archives/list/[email protected]/message/4V35LBRM6HBCXBVCITKQ4UEBTXO2EG7B/ https://lists.fedoraproject.org/archives/list/[email protected]/message/NBYZSHYTIOBK6V7C4N7TP6KIKCRKLVWP/ https://www.drupal.org/sa-core-2020-013 https://lists.fedoraproject.org/archives/list/[email protected]/message/KWM4CTMEGAC4I2CHYNJVSROY4CVXVEUT/ https://lists.fedoraproject.org/archives/list/[email protected]/message/5KSFM672XW3X6BR7TVKRD63SLZGKK437/ https://www.debian.org/security/2020/dsa-4817 http://packetstormsecurity.com/files/161095/PEAR-Archive_Tar-Arbitrary-File-Write.html https://security.gentoo.org/glsa/202101-23 https://lists.fedoraproject.org/archives/list/[email protected]/message/VJQQYDAOWHD6RDITDRPHFW7WY6BS3V5N/ https://lists.fedoraproject.org/archives/list/[email protected]/message/42GPGVVFTLJYAKRI75IVB5R45NYQGEUR/

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

REQUIRED

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

7.8