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alpinelinuxAlpine Linux Development TeamALPINE:CVE-2022-31628
HistorySep 28, 2022 - 11:15 p.m.

CVE-2022-31628

2022-09-2823:15:09
Alpine Linux Development Team
security.alpinelinux.org
21
php
infinite loop
phar
uncompressor
gzip
unix

5.5 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

8 High

AI Score

Confidence

Low

0.0005 Low

EPSS

Percentile

18.1%

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 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

8 High

AI Score

Confidence

Low

0.0005 Low

EPSS

Percentile

18.1%