Test ID:	1.3.6.1.4.1.25623.1.1.1.2.2014.113
Category:	Debian Local Security Checks
Title:	Debian: Security Advisory (DLA-113-1)
Summary:	The remote host is missing an update for the Debian 'bsd-mailx' package(s) announced via the DLA-113-1 advisory.
Description:	Summary: The remote host is missing an update for the Debian 'bsd-mailx' package(s) announced via the DLA-113-1 advisory. Vulnerability Insight: It was discovered that bsd-mailx, an implementation of the mail command, had an undocumented feature which treats syntactically valid email addresses as shell commands to execute. Users who need this feature can re-enable it using the expandaddr in an appropriate mailrc file. This update also removes the obsolete -T option. An older security vulnerability, CVE-2004-2771, had already been addressed in the Debian's bsd-mailx package. Note that this security update does not remove all mailx facilities for command execution, though. Scripts which send mail to addresses obtained from an untrusted source (such as a web form) should use the '--' separator before the email addresses (which was fixed to work properly in this update), or they should be changed to invoke 'mail -t' or 'sendmail -i -t' instead, passing the recipient addresses as part of the mail header. For the oldstable distribution (squeeze), this problem has been fixed in version 8.1.2-0.20100314cvs-1+deb6u1. We recommend that you upgrade your bsd-mailx packages. Affected Software/OS: 'bsd-mailx' package(s) on Debian 6. Solution: Please install the updated package(s). CVSS Score: 7.2 CVSS Vector: AV:L/AC:L/Au:N/C:C/I:C/A:C
Cross-Ref:	Common Vulnerability Exposure (CVE) ID: CVE-2014-7844 http://linux.oracle.com/errata/ELSA-2014-1999.html http://rhn.redhat.com/errata/RHSA-2014-1999.html http://seclists.org/oss-sec/2014/q4/1066 http://www.debian.org/security/2014/dsa-3104 http://www.debian.org/security/2014/dsa-3105
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