Resource Exhaustion Affecting bind-license package, versions <32:9.11.4-9.P2.el7_7.3


Severity

Recommended
medium

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
1.12% (85th percentile)

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  • Snyk IDSNYK-RHEL7-BINDLICENSE-4969143
  • published26 Jul 2021
  • disclosed20 Aug 2020

Introduced: 20 Aug 2020

CVE-2020-8623  (opens in a new tab)
CWE-400  (opens in a new tab)

How to fix?

Upgrade RHEL:7 bind-license to version 32:9.11.4-9.P2.el7_7.3 or higher.
This issue was patched in RHSA-2020:5203.

NVD Description

Note: Versions mentioned in the description apply only to the upstream bind-license package and not the bind-license package as distributed by RHEL. See How to fix? for RHEL:7 relevant fixed versions and status.

In BIND 9.10.0 -> 9.11.21, 9.12.0 -> 9.16.5, 9.17.0 -> 9.17.3, also affects 9.10.5-S1 -> 9.11.21-S1 of the BIND 9 Supported Preview Edition, An attacker that can reach a vulnerable system with a specially crafted query packet can trigger a crash. To be vulnerable, the system must: * be running BIND that was built with "--enable-native-pkcs11" * be signing one or more zones with an RSA key * be able to receive queries from a possible attacker

CVSS Scores

version 3.1