CVE-2020-28948

high

Description

Archive_Tar through 1.4.10 allows an unserialization attack because phar: is blocked but PHAR: is not blocked.

References

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

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/

Details

Source: MITRE

Published: 2020-11-19

Updated: 2022-03-30

Type: CWE-502

Risk Information

CVSS v2

Base Score: 6.8

Vector: AV:N/AC:M/Au:N/C:P/I:P/A:P

Impact Score: 6.4

Exploitability Score: 8.6

Severity: MEDIUM

CVSS v3

Base Score: 7.8

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

Impact Score: 5.9

Exploitability Score: 1.8

Severity: HIGH