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[gentoo-announce] [ GLSA 202402-18 ] Exim: Multiple Vulnerabilities

Posted on 18 February 2024
Gentoo-announce

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Gentoo Linux Security Advisory GLSA 202402-18
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https://security.gentoo.org/
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Severity: High
Title: Exim: Multiple Vulnerabilities
Date: February 18, 2024
Bugs: #914923, #921520
ID: 202402-18

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Synopsis
========
Multiple vulnerabilities have been discovered in Exim, the worst of
which can lead to remote code execution.

Background
==========
Exim is a message transfer agent (MTA) designed to be a a highly
configurable, drop-in replacement for sendmail.

Affected packages
=================
Package Vulnerable Unaffected
------------- ------------ ------------
mail-mta/exim < 4.97.1 >= 4.97.1

Description
===========
Multiple vulnerabilities have been discovered in Exim. Please review the
CVE identifiers referenced below for details.

Impact
======
Please review the referenced CVE identifiers for details.

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

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

# emerge --sync
# emerge --ask --oneshot --verbose ">=mail-mta/exim-4.97.1"

References
==========
[ 1 ] CVE-2023-42114
https://nvd.nist.gov/vuln/detail/CVE-2023-42114
[ 2 ] CVE-2023-42115
https://nvd.nist.gov/vuln/detail/CVE-2023-42115
[ 3 ] CVE-2023-42116
https://nvd.nist.gov/vuln/detail/CVE-2023-42116
[ 4 ] CVE-2023-42117
https://nvd.nist.gov/vuln/detail/CVE-2023-42117
[ 5 ] CVE-2023-42119
https://nvd.nist.gov/vuln/detail/CVE-2023-42119
[ 6 ] CVE-2023-51766
https://nvd.nist.gov/vuln/detail/CVE-2023-51766
[ 7 ] ZDI-CAN-17433
[ 8 ] ZDI-CAN-17434
[ 9 ] ZDI-CAN-17515
[ 10 ] ZDI-CAN-17554
[ 11 ] ZDI-CAN-17643

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

https://security.gentoo.org/glsa/202402-18

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 2024 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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