Loop with Unreachable Exit Condition ('Infinite Loop') Affecting php81 package, versions <8.1.11-r0


Severity

Recommended
0.0
medium
0
10

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Threat Intelligence

EPSS
0.05% (20th percentile)

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  • Snyk IDSNYK-ALPINE319-PHP81-6110434
  • published8 Dec 2023
  • disclosed28 Sept 2022

Introduced: 28 Sep 2022

CVE-2022-31628  (opens in a new tab)
CWE-835  (opens in a new tab)

How to fix?

Upgrade Alpine:3.19 php81 to version 8.1.11-r0 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream php81 package and not the php81 package as distributed by Alpine. See How to fix? for Alpine:3.19 relevant fixed versions and status.

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 Scores

version 3.1