Memory Leak Affecting bind-libs package, versions <32:9.11.13-6.el8_2.4


Severity

Recommended
0.0
high
0
10

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.45% (76th percentile)

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  • Snyk IDSNYK-RHEL8-BINDLIBS-4062654
  • published22 Sept 2022
  • disclosed21 Sept 2022

Introduced: 21 Sep 2022

CVE-2022-38178  (opens in a new tab)
CWE-401  (opens in a new tab)

How to fix?

Upgrade RHEL:8 bind-libs to version 32:9.11.13-6.el8_2.4 or higher.
This issue was patched in RHSA-2022:6780.

NVD Description

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

By spoofing the target resolver with responses that have a malformed EdDSA signature, an attacker can trigger a small memory leak. It is possible to gradually erode available memory to the point where named crashes for lack of resources.

CVSS Scores

version 3.1