Gentoo: GLSA-201206-34: msmtp: X.509 NULL spoofing vulnerability
Summary
A vulnerability have been discovered in msmtp. Please review the CVE identifier referenced below for details.
Resolution
All msmtp users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=mail-mta/msmtp-1.4.19"
References
[ 1 ] CVE-2009-3942 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2009-3942
Availability
This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:
https://security.gentoo.org/glsa/201206-34
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.
![Dist Gentoo](/images/distros/dist-gentoo.png)
Synopsis
An error in the hostname matching in msmtp might enable remote attackers to conduct man-in-the-middle attacks.
Background
msmtp is an SMTP client and SMTP plugin for mail user agents such as Mutt.
Affected Packages
------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 mail-mta/msmtp < 1.4.19 >= 1.4.19
Impact
===== A remote attacker might employ a specially crafted certificate to conduct man-in-the-middle attacks on SSL connections made using msmtp.
Workaround
There is no known workaround at this time.