Synopsis
Important: squid:4 security update
Type/Severity
Security Advisory: Important
Topic
An update for the squid:4 module is now available for Red Hat Enterprise Linux 8, Red Hat Enterprise Linux 8.0 Update Services for SAP Solutions, and Red Hat Enterprise Linux 8.1 Extended 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
Squid is a high-performance proxy caching server for web clients, supporting FTP, Gopher, and HTTP data objects.
Security Fix(es):
- squid: HTTP Request Smuggling could result in cache poisoning (CVE-2020-15810)
- squid: HTTP Request Splitting could result in cache poisoning (CVE-2020-15811)
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
After installing this update, the squid service will be restarted automatically.
Affected Products
-
Red Hat Enterprise Linux for x86_64 8 x86_64
-
Red Hat Enterprise Linux for x86_64 - Extended Update Support 8.2 x86_64
-
Red Hat Enterprise Linux for x86_64 - Extended Update Support 8.1 x86_64
-
Red Hat Enterprise Linux Server - AUS 8.2 x86_64
-
Red Hat Enterprise Linux for IBM z Systems 8 s390x
-
Red Hat Enterprise Linux for IBM z Systems - Extended Update Support 8.2 s390x
-
Red Hat Enterprise Linux for IBM z Systems - Extended Update Support 8.1 s390x
-
Red Hat Enterprise Linux for Power, little endian 8 ppc64le
-
Red Hat Enterprise Linux for Power, little endian - Extended Update Support 8.2 ppc64le
-
Red Hat Enterprise Linux for Power, little endian - Extended Update Support 8.1 ppc64le
-
Red Hat Enterprise Linux Server - TUS 8.2 x86_64
-
Red Hat Enterprise Linux for ARM 64 8 aarch64
-
Red Hat Enterprise Linux for ARM 64 - Extended Update Support 8.2 aarch64
-
Red Hat Enterprise Linux for ARM 64 - Extended Update Support 8.1 aarch64
-
Red Hat Enterprise Linux Server (for IBM Power LE) - Update Services for SAP Solutions 8.2 ppc64le
-
Red Hat Enterprise Linux Server (for IBM Power LE) - Update Services for SAP Solutions 8.1 ppc64le
-
Red Hat Enterprise Linux Server (for IBM Power LE) - Update Services for SAP Solutions 8.0 ppc64le
-
Red Hat Enterprise Linux Server - Update Services for SAP Solutions 8.2 x86_64
-
Red Hat Enterprise Linux Server - Update Services for SAP Solutions 8.1 x86_64
-
Red Hat Enterprise Linux Server - Update Services for SAP Solutions 8.0 x86_64
Fixes
- BZ - 1871700 - CVE-2020-15810 squid: HTTP Request Smuggling could result in cache poisoning
- BZ - 1871702 - CVE-2020-15811 squid: HTTP Request Splitting could result in cache poisoning
CVEs
References
Vulmon