[arch-security] [ASA-201412-20] unrtf: arbitrary code execution

[Levente Polyak]

Arch Linux Security Advisory ASA-201412-20
==========================================

Severity: High
Date    : 2014-12-16
CVE-ID  : CVE-2014-9274 CVE-2014-9275
Package : unrtf
Type    : arbitrary code execution
Remote  : No
Link    : https://wiki.archlinux.org/index.php/CVE-2014

Summary
=======

The package unrtf before version 0.21.7-1 is vulnerable to arbitrary
code execution.

Resolution
==========

Upgrade to 0.21.7-1.

# pacman -Syu "unrtf>=0.21.7-1"

The problems have been fixed upstream in version 0.21.7.

Workaround
==========

None.

Description
===========

- CVE-2014-9274 (arbitrary code execution)
A flaw allows remote attackers to cause a denial of service (crash) and
possibly execute arbitrary code as demonstrated by a file containing the
string "{\cb-999999999".

- CVE-2014-9275 (arbitrary code execution)
A flaw allows remote attackers to cause a denial of service
(out-of-bounds memory access and crash) and possibly execute arbitrary
code via a crafted RTF file.

Impact
======

An attacker able to craft a RTF file could use those issues to cause a
crash or execute arbitrary code while accessing a pointer that may be
under the attacker's control.

References
==========

https://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2014-9274
https://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2014-9275
https://bugzilla.redhat.com/show_bug.cgi?id=1170233
http://seclists.org/oss-sec/2014/q4/904
https://bugs.archlinux.org/task/43131

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