Exploit/Advisories

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Gentoo Linux Security Advisory GLSA 202305-27
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https://security.gentoo.org/
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Severity: Low
Title: Tinyproxy: Memory Disclosure
Date: May 21, 2023
Bugs: #871924
ID: 202305-27

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Synopsis
=======
A vulnerability has been discovered in Tinyproxy which could be used to
achieve memory disclosure.

Background
=========
Tinyproxy is a light-weight HTTP/HTTPS proxy daemon for POSIX operating
systems.

Affected packages
================
Package Vulnerable Unaffected
------------------- ------------ ------------
net-proxy/tinyproxy < 1.8.3-r3 >= 1.8.3-r3

Description
==========
Tinyproxy's request processing does not sufficiently null-initialize
variables used in error pages.

Impact
=====
Contents of the Tinyproxy server's memory could be disclosed via
generated error pages.

Workaround
=========
There is no known workaround at this time.

Resolution
=========
All Tinyproxy users should upgrade to the latest version:

# emerge --sync
# emerge --ask --oneshot --verbose ">=net-proxy/tinyproxy-1.11.1_p20220908"

References
=========
[ 1 ] CVE-2022-40468
https://nvd.nist.gov/vuln/detail/CVE-2022-40468

Availability
===========
This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:

https://security.gentoo.org/glsa/202305-27

Concerns?
========
Security is a primary focus of Gentoo Linux and ensuring the
confidentiality and security of our users' machines is of utmost
importance to us. Any security concerns should be addressed to
security@gentoo.org or alternatively, you may file a bug at
https://bugs.gentoo.org.

License
======
Copyright 2023 Gentoo Foundation, Inc; referenced text
belongs to its owner(s).

The contents of this document are licensed under the
Creative Commons - Attribution / Share Alike license.

https://creativecommons.org/licenses/by-sa/2.5

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