Reachable Assertion in ISC BIND - CVE-2022-1183

 

Reachable Assertion in ISC BIND - CVE-2022-1183

Published: May 18, 2022


Vulnerability identifier: #VU63409
CSH Severity: Medium
CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2022-1183
CWE-ID: CWE-617
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a reachable assertion that can be triggered if a TLS connection to a configured http TLS listener with a defined endpoint is destroyed too early. A remote attacker can send specially crafted request and perform a denial of service (DoS) attack.


Affected software

ISC BIND
Ubuntu
HPE Moonshot 1500 Chassis Manager
bind9 (Ubuntu package)

How to mitigate CVE-2022-1183

Install updates from vendor's website.

ISC BIND - addressed in versions 9.18.3, 9.19.1
HPE Moonshot 1500 Chassis Manager - update to 4.0-b43
bind9 (Ubuntu package) - update to 1:9.18.1-1ubuntu1.1

External References

Related Security Bulletins