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Gentoo Linux Security Advisory 202007-55

Gentoo Linux Security Advisory 202007-55
Posted Jul 29, 2020
Authored by Gentoo | Site security.gentoo.org

Gentoo Linux Security Advisory 202007-55 - A vulnerability was discovered in libetpan's STARTTLS handling, possibly allowing an integrity/confidentiality compromise. Versions less than 1.9.4-r1 are affected.

tags | advisory
systems | linux, gentoo
advisories | CVE-2020-15953
MD5 | 3ba2b601bfa657d08a56fc992faed362

Gentoo Linux Security Advisory 202007-55

Change Mirror Download
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Gentoo Linux Security Advisory GLSA 202007-55
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https://security.gentoo.org/
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Severity: Normal
Title: libetpan: Improper STARTTLS handling
Date: July 28, 2020
Bugs: #734130
ID: 202007-55

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Synopsis
=======
A vulnerability was discovered in libetpan's STARTTLS handling,
possibly allowing an integrity/confidentiality compromise.

Background
=========
libetpan is a portable, efficient middleware for different kinds of
mail access.

Affected packages
================
-------------------------------------------------------------------
Package / Vulnerable / Unaffected
-------------------------------------------------------------------
1 net-libs/libetpan < 1.9.4-r1 >= 1.9.4-r1

Description
==========
It was discovered that libetpan was not properly handling state within
the STARTTLS protocol handshake.

Impact
=====
There may be a breach of integrity or confidentiality in connections
made using libetpan with STARTTLS.

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

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

# emerge --sync
# emerge --ask --oneshot --verbose ">=net-libs/libetpan-1.9.4-r1"

References
=========
[ 1 ] CVE-2020-15953
https://nvd.nist.gov/vuln/detail/CVE-2020-15953

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

https://security.gentoo.org/glsa/202007-55

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 2020 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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