Gentoo: GLSA 202310-02 Critical: OpenSSL Denial of Service Vulnerability
gentoo
June 6, 2019
A vulnerability in Exim could allow a remote attacker to execute arbitrary commands.
Summary
A vulnerability was discovered in how Exim validates recipient addresses in the deliver_message() function.
Topics Covered
Resolution
All Exim users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=mail-mta/exim-4.92"
References
[ 1 ] CVE-2019-10149 https://nvd.nist.gov/vuln/detail/CVE-2019-10149
Availability
This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:
https://security.gentoo.org/glsa/201906-01
style>.gentoo_availability{display:block;}
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.
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Critical
Severity: High
Title: Exim: Remote command execution
Date: June 06, 2019
Bugs: #687336
ID: 201906-01
Topics Covered
Background
Exim is a message transfer agent (MTA) designed to be a a highly
configurable, drop-in replacement for sendmail.
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Affected Packages
-------------------------------------------------------------------
Package / Vulnerable / Unaffected
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1 mail-mta/exim < 4.92 >= 4.92
Impact
=====
A remote attacker could execute arbitrary commands by sending an email
with a specially crafted recipient address to the affected system.
Workaround
There is no known workaround at this time.
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