RHSA-2024:5894 - Security Advisory

Topic

An update for bind is now available for Red Hat Enterprise Linux 7.7 Advanced Update Support.

Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

Description

The Berkeley Internet Name Domain (BIND) is an implementation of the Domain Name System (DNS) protocols. BIND includes a DNS server (named); a resolver library (routines for applications to use when interfacing with DNS); and tools for verifying that the DNS server is operating correctly.

Security Fix(es):

• bind: bind9: BIND's database will be slow if a very large number of RRs exist at the same nam (CVE-2024-1737)
• bind9: bind: SIG(0) can be used to exhaust CPU resources (CVE-2024-1975)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Solution

For details on how to apply this update, which includes the changes described in this advisory, refer to:

https://access.redhat.com/articles/11258

Affected Products

• Red Hat Enterprise Linux Server - AUS 7.7 x86_64

Fixes

• BZ - 2298893 - CVE-2024-1737 bind: bind9: BIND's database will be slow if a very large number of RRs exist at the same nam
• BZ - 2298901 - CVE-2024-1975 bind9: bind: SIG(0) can be used to exhaust CPU resources

CVEs

• CVE-2024-1737
• CVE-2024-1975

References

• https://access.redhat.com/security/updates/classification/#important