Scientific Linux Security Update : mailx on SL6.x, SL7.x i386/x86_64

This script is Copyright (C) 2014 Tenable Network Security, Inc.


Synopsis :

The remote Scientific Linux host is missing one or more security
updates.

Description :

A flaw was found in the way mailx handled the parsing of email
addresses. A syntactically valid email address could allow a local
attacker to cause mailx to execute arbitrary shell commands through
shell meta-characters and the direct command execution functionality.
(CVE-2004-2771, CVE-2014-7844)

Note: Applications using mailx to send email to addresses obtained
from untrusted sources will still remain vulnerable to other attacks
if they accept email addresses which start with '-' (so that they can
be confused with mailx options). To counteract this issue, this update
also introduces the '--' option, which will treat the remaining
command line arguments as email addresses.

See also :

http://www.nessus.org/u?03d706d8

Solution :

Update the affected mailx and / or mailx-debuginfo packages.

Risk factor :

High / CVSS Base Score : 7.5
(CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P)

Family: Scientific Linux Local Security Checks

Nessus Plugin ID: 80075 ()

Bugtraq ID:

CVE ID: CVE-2004-2771
CVE-2014-7844

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