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Gentoo: GLSA-202007-55 Normal: libetpan STARTTLS Threat

gentoo
Calendar Grey July 28, 2020
Dist Gentoo Esm H88
A Gentoo security alert concerning libetpan's flawed STARTTLS implementation that may result in possible integrity vulnerabilities.
A vulnerability was discovered in libetpan's STARTTLS handling, possibly allowing an integrity/confidentiality compromise.

Summary

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

Topics%20covered

Topics Covered

security advisory Gentoo normal severity STARTTLS integrity compromise libetpan

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
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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.

Severity: Normal
Title: libetpan: Improper STARTTLS handling
Date: July 28, 2020
Bugs: #734130
ID: 202007-55

Topics%20covered

Topics Covered

security advisory Gentoo normal severity STARTTLS integrity compromise libetpan

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.

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Affected Packages

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

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.

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