Vulnerability detail
Enriched intelligence for a single CVE
High
CVE-2020-28949
PUBLISHEDArchive_Tar through 1.4.10 has :// filename sanitization only to address phar attacks, and thus any other stream-wrapper attack (such as file:// to...
- Vendor
- pear
- Product
- Archive_Tar
- Published
- Nov 19, 2020
- EPSS
- —
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 scores
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
AV:N/AC:M/Au:N/C:P/I:P/A:P
Exploitation status
Exploited in the wild
Recorded 2022-08-25 00:00:00 UTC · Source
SSVC decision points
- Exploitation
- active
- Automatable
- No
- Technical impact
- total
References
- https://github.com/pear/Archive_Tar/issues/33
- https://www.drupal.org/sa-core-2020-013
- https://lists.debian.org/debian-lts-announce/2020/11/msg00045.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4V35LBRM6HBCXBVCITKQ4UEBTXO2EG7B/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NBYZSHYTIOBK6V7C4N7TP6KIKCRKLVWP/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KWM4CTMEGAC4I2CHYNJVSROY4CVXVEUT/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/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/package-announce%40lists.fedoraproject.org/message/VJQQYDAOWHD6RDITDRPHFW7WY6BS3V5N/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/42GPGVVFTLJYAKRI75IVB5R45NYQGEUR/
Known exploited vulnerability sources
Catalogues that list this CVE as a known exploited vulnerability.
| Source | Added |
|---|---|
| CISA | Aug 25, 2022 |
Scanner integrations
| Scanner | Reference | Detected |
|---|---|---|
| Metasploit | https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/multi/fileformat/archive_tar_arb_file_write.rb | Apr 28, 2025 |
Potential proof of concepts
These PoCs are unverified and could contain malware. Use at your own risk.
Timeline
-
CVE ID Reserved
-
CVE Published to Public
-
Added to KEVIntel
-
Detected by Metasploit