Loop with Unreachable Exit Condition ('Infinite Loop') Affecting php7.0 package, versions <7.0.33-0ubuntu0.16.04.16+esm5


Severity

Recommended
0.0
medium
0
10

Based on Ubuntu security rating.

Threat Intelligence

EPSS
0.05% (20th percentile)

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  • Snyk IDSNYK-UBUNTU1604-PHP70-3035736
  • published29 Sept 2022
  • 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 Ubuntu:16.04 php7.0 to version 7.0.33-0ubuntu0.16.04.16+esm5 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream php7.0 package and not the php7.0 package as distributed by Ubuntu. See How to fix? for Ubuntu:16.04 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