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Memory Leak Affecting bind-export-libs package, versions <32:9.11.36-3.el8_6.1

0.0
high

Snyk CVSS

    Attack Complexity Low
    Availability High
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NVD
7.5 high
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Red Hat
7.5 high
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SUSE
7.5 high

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  • Snyk ID SNYK-CENTOS8-BINDEXPORTLIBS-3030550
  • published 22 Sep 2022
  • disclosed 21 Sep 2022
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Introduced: 21 Sep 2022

CVE-2022-38177 Open this link in a new tab
CWE-401 Open this link in a new tab

How to fix?

Upgrade Centos:8 bind-export-libs to version 32:9.11.36-3.el8_6.1 or higher.

NVD Description

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

By spoofing the target resolver with responses that have a malformed ECDSA 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.