Out-of-bounds Read Affecting php-bcmath package, versions <0:7.3.20-1.module+el8.4.0+414+2e7afcdd


Severity

Recommended
0.0
medium
0
10

Based on Rocky Linux security rating.

Threat Intelligence

EPSS
0.36% (74th percentile)

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  • Snyk IDSNYK-ROCKY8-PHPBCMATH-3223805
  • published5 Jan 2023
  • disclosed1 Apr 2020

Introduced: 1 Apr 2020

CVE-2020-7064  (opens in a new tab)
CWE-125  (opens in a new tab)

How to fix?

Upgrade Rocky-Linux:8 php-bcmath to version 0:7.3.20-1.module+el8.4.0+414+2e7afcdd or higher.
This issue was patched in RLSA-2020:3662.

NVD Description

Note: Versions mentioned in the description apply only to the upstream php-bcmath package and not the php-bcmath package as distributed by Rocky-Linux. See How to fix? for Rocky-Linux:8 relevant fixed versions and status.

In PHP versions 7.2.x below 7.2.9, 7.3.x below 7.3.16 and 7.4.x below 7.4.4, while parsing EXIF data with exif_read_data() function, it is possible for malicious data to cause PHP to read one byte of uninitialized memory. This could potentially lead to information disclosure or crash.

CVSS Scores

version 3.1