Allocation of Resources Without Limits or Throttling Affecting php7.0 package, versions <7.0.33-0ubuntu0.16.04.16+esm5


Severity

Recommended
medium

Based on Ubuntu security rating.

Threat Intelligence

EPSS
0.22% (62nd percentile)

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  • Snyk IDSNYK-UBUNTU1604-PHP70-3321802
  • published15 Feb 2023
  • disclosed16 Feb 2023

Introduced: 15 Feb 2023

CVE-2023-0568  (opens in a new tab)
CWE-770  (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 8.0.X before 8.0.28, 8.1.X before 8.1.16 and 8.2.X before 8.2.3, core path resolution function allocate buffer one byte too small. When resolving paths with lengths close to system MAXPATHLEN setting, this may lead to the byte after the allocated buffer being overwritten with NUL value, which might lead to unauthorized data access or modification.

CVSS Scores

version 3.1