CVE-2020-28949
HighActively exploited (CISA KEV)
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.
SeverityHigh
CVSS7.8
Exploit probability—
Product
PEAR Archive_Tar
PublishedNov 19, 2020
First seenNov 19, 2020
Added to KEVAug 25, 2022
How to fix
CISA required action
Apply updates per vendor instructions.
CISA due date: Sep 15, 2022Update
- php archive_tar1.4.12 or later
- drupal drupal7.75, 8.9.10, 8.8.12, 9.0.9 or later
Vendor advisories
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4V35LBRM6HBCXBVCITKQ4UEBTXO2EG7B/
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NBYZSHYTIOBK6V7C4N7TP6KIKCRKLVWP/
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KWM4CTMEGAC4I2CHYNJVSROY4CVXVEUT/
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5KSFM672XW3X6BR7TVKRD63SLZGKK437/
- debian.org/security/2020/dsa-4817
- security.gentoo.org/glsa/202101-23
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VJQQYDAOWHD6RDITDRPHFW7WY6BS3V5N/
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/42GPGVVFTLJYAKRI75IVB5R45NYQGEUR/
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| php archive_tar | v < 1.4.12 | 1.4.12 |
| debian debian_linux | 9.0, 10.0 | — |
| fedoraproject fedora | 32, 33, 34, 35 | — |
| drupal drupal | 7.0 ≤ v < 7.75, 8.0.0 ≤ v < 8.9.10, 8.8.0 ≤ v < 8.8.12, 9.0.0 ≤ v < 9.0.9 | 7.75, 8.9.10, 8.8.12, 9.0.9 |
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