RHSA-2024:9644 - Security Advisory

Topic

An update for the squid:4 module is now available for Red Hat Enterprise Linux 8.

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

Squid is a high-performance proxy caching server for web clients, supporting FTP, Gopher, and HTTP data objects.

Security Fix(es):

• squid: vulnerable to a Denial of Service attack against Cache Manager error responses (CVE-2024-23638)
• squid: Denial of Service processing ESI response content (CVE-2024-45802)

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 for x86_64 8 x86_64
• Red Hat Enterprise Linux for IBM z Systems 8 s390x
• Red Hat Enterprise Linux for Power, little endian 8 ppc64le
• Red Hat Enterprise Linux for ARM 64 8 aarch64

Fixes

• BZ - 2260051 - CVE-2024-23638 squid: vulnerable to a Denial of Service attack against Cache Manager error responses
• BZ - 2322154 - CVE-2024-45802 squid: Denial of Service processing ESI response content

CVEs

• CVE-2024-23638
• CVE-2024-45802

References

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