Medium severity · published Sep 28, 2022
CVE-2022-31628
In PHP versions before 7.4.31, 8.0.24 and 8.1.11, the phar uncompressor code would recursively uncompress "quines" gzip files, resulting in an infinite loop
5.5
CVSS
0.6%
EPSS
No
On KEV
Description
In PHP versions before 7.4.31, 8.0.24 and 8.1.11, the phar uncompressor code would recursively uncompress "quines" gzip files, resulting in an infinite loop.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.6% · higher than 50% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
PH
PHP · PHP
before 7.4.31; 8.0.0 before 8.0.24; 8.1.0 before 8.1.11 · source: NVD
DL
Debian Linux · Debian
10.0; 11.0 · source: NVD
FE
Fedora · Fedoraproject
35; 36; 37 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2022-31628
CVE.org
https://www.cve.org/CVERecord?id=CVE-2022-31628
Permissions Required
https://bugs.php.net/bug.php?id=81726
Mailing List
https://lists.debian.org/debian-lts-announce/2022/12/msg00030.html
lists.fedoraproject.org
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2L5SUVYGAKSWODUQPZFBUB3AL6E6CSEV/
lists.fedoraproject.org
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VI3E6A3ZTH2RP7OMLJHSVFIEQBIFM6RF/
lists.fedoraproject.org
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XNIEABBH5XCXLFWWZYIDE457SPEDZTXV/
Third Party Advisory
https://security.gentoo.org/glsa/202211-03
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