[USN-7140-1] Tinyproxy vulnerability

[Shishir Subedi]

==========================================================================
Ubuntu Security Notice USN-7140-1
December 09, 2024

tinyproxy vulnerability
==========================================================================

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

- Ubuntu 22.04 LTS
- Ubuntu 20.04 LTS
- Ubuntu 18.04 LTS
- Ubuntu 16.04 LTS

Summary:

tinyproxy could be made to expose sensitive information.

Software Description:
- tinyproxy: Lightweight, non-caching, optionally anonymizing HTTP proxy

Details:

It was discovered that Tinyproxy did not properly manage memory under
certain circumstances. An attacker could possibly use this issue to leak
left-over heap data if custom error page templates containing special
non-standard variables are used.

Update instructions:

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

Ubuntu 22.04 LTS
   tinyproxy                       1.11.0-1ubuntu0.1~esm1
                                   Available with Ubuntu Pro
   tinyproxy-bin                   1.11.0-1ubuntu0.1~esm1
                                   Available with Ubuntu Pro

Ubuntu 20.04 LTS
   tinyproxy                       1.10.0-4ubuntu0.1
   tinyproxy-bin                   1.10.0-4ubuntu0.1

Ubuntu 18.04 LTS
   tinyproxy                       1.8.4-5ubuntu0.1~esm2
                                   Available with Ubuntu Pro
   tinyproxy-bin                   1.8.4-5ubuntu0.1~esm2
                                   Available with Ubuntu Pro

Ubuntu 16.04 LTS
   tinyproxy                       1.8.3-3ubuntu16.04.1~esm2
                                   Available with Ubuntu Pro

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

References:
   https://ubuntu.com/security/notices/USN-7140-1
   CVE-2022-40468

Package Information:
   https://launchpad.net/ubuntu/+source/tinyproxy/1.10.0-4ubuntu0.1

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