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debiancveDebian Security Bug TrackerDEBIANCVE:CVE-2022-31628
HistorySep 28, 2022 - 11:15 p.m.

CVE-2022-31628

2022-09-2823:15:09
Debian Security Bug Tracker
security-tracker.debian.org
19
php
vulnerability
phar
uncompressor
infinite loop
gzip
files
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

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.

OSVersionArchitecturePackageVersionFilename
Debian11allphp7.4< 7.4.33-1+deb11u1php7.4_7.4.33-1+deb11u1_all.deb

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

0.0005 Low

EPSS

Percentile

18.1%