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Ubuntu Security Notice USN-6728-1

Ubuntu Security Notice USN-6728-1
Posted Apr 11, 2024
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 6728-1 - Joshua Rogers discovered that Squid incorrectly handled collapsed forwarding. A remote attacker could possibly use this issue to cause Squid to crash, resulting in a denial of service. This issue only affected Ubuntu 20.04 LTS and Ubuntu 22.04 LTS. Joshua Rogers discovered that Squid incorrectly handled certain structural elements. A remote attacker could possibly use this issue to cause Squid to crash, resulting in a denial of service.

tags | advisory, remote, denial of service
systems | linux, ubuntu
advisories | CVE-2023-49288, CVE-2023-5824, CVE-2024-23638, CVE-2024-25111, CVE-2024-25617
SHA-256 | c9a980c32c2ef96069eee9285fdd53c5aa4c12d940c776810cbfff41a398c101

Ubuntu Security Notice USN-6728-1

Change Mirror Download
==========================================================================
Ubuntu Security Notice USN-6728-1
April 10, 2024

squid vulnerabilities
==========================================================================

A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 23.10
- Ubuntu 22.04 LTS
- Ubuntu 20.04 LTS

Summary:

Several security issues were fixed in Squid.

Software Description:
- squid: Web proxy cache server

Details:

Joshua Rogers discovered that Squid incorrectly handled collapsed
forwarding. A remote attacker could possibly use this issue to cause Squid
to crash, resulting in a denial of service. This issue only affected Ubuntu
20.04 LTS and Ubuntu 22.04 LTS. (CVE-2023-49288)

Joshua Rogers discovered that Squid incorrectly handled certain structural
elements. A remote attacker could possibly use this issue to cause Squid to
crash, resulting in a denial of service. (CVE-2023-5824)

Joshua Rogers discovered that Squid incorrectly handled Cache Manager error
responses. A remote trusted client can possibly use this issue to cause
Squid to crash, resulting in a denial of service. (CVE-2024-23638)

Joshua Rogers discovered that Squid incorrectly handled the HTTP Chunked
decoder. A remote attacker could possibly use this issue to cause Squid to
stop responding, resulting in a denial of service. (CVE-2024-25111)

Joshua Rogers discovered that Squid incorrectly handled HTTP header
parsing. A remote trusted client can possibly use this issue to cause
Squid to crash, resulting in a denial of service. (CVE-2024-25617)

Update instructions:

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 23.10:
squid 6.1-2ubuntu1.3

Ubuntu 22.04 LTS:
squid 5.7-0ubuntu0.22.04.4

Ubuntu 20.04 LTS:
squid 4.10-1ubuntu1.10

In general, a standard system update will make all the necessary changes.

References:
https://ubuntu.com/security/notices/USN-6728-1
CVE-2023-49288, CVE-2023-5824, CVE-2024-23638, CVE-2024-25111,
CVE-2024-25617

Package Information:
https://launchpad.net/ubuntu/+source/squid/6.1-2ubuntu1.3
https://launchpad.net/ubuntu/+source/squid/5.7-0ubuntu0.22.04.4
https://launchpad.net/ubuntu/+source/squid/4.10-1ubuntu1.10

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