High severity · published Nov 19, 2020
CVE-2020-28949
PEAR Archive_Tar Deserialization of Untrusted Data Vulnerability
In wildKEV
7.8
CVSS
84.6%
EPSS
Yes
On 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.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)84.6% · higher than 100% of CVEs
Exploited in the wildYes
CISA KEVListed Aug 25, 2022
Federal remediation dueSep 15, 2022
Ransomware campaign useNot known
Affected products
Which versions
DR
Drupal · Drupal
7.0 before 7.75; 8.0.0 before 8.9.10; 8.8.0 before 8.8.12; 9.0.0 before 9.0.9 · source: NVD
AT
Archive Tar · Php
before 1.4.12 · source: NVD
DL
Debian Linux · Debian
9.0; 10.0 · source: NVD
FE
Fedora · Fedoraproject
32; 33; 34; 35 · source: NVD
AR
Archive_Tar · PEAR
All versions, or not specified · source: KEV
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-28949
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-28949
CISA KEV catalogue
https://www.cisa.gov/known-exploited-vulnerabilities-catalog
x_refsource_MISC
https://github.com/pear/Archive_Tar/issues/33
x_refsource_CONFIRM
https://www.drupal.org/sa-core-2020-013
mailing-list
https://lists.debian.org/debian-lts-announce/2020/11/msg00045.html
vendor-advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4V35LBRM6HBCXBVCITKQ4UEBTXO2EG7B/
vendor-advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NBYZSHYTIOBK6V7C4N7TP6KIKCRKLVWP/
vendor-advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KWM4CTMEGAC4I2CHYNJVSROY4CVXVEUT/
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