Input validation error in FreeRDP

1) Input validation error

EUVDB-ID: #VU41101

Risk: Medium

CVSSv3.1: 6.4 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2014-0250

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a remote non-authenticated attacker to read and manipulate data.

Multiple integer overflows in client/X11/xf_graphics.c in FreeRDP allow remote attackers to have an unspecified impact via the width and height to the (1) xf_Pointer_New or (2) xf_Bitmap_Decompress function, which causes an incorrect amount of memory to be allocated.

Mitigation

Install update from vendor's website.

Vulnerable software versions

FreeRDP: 1.0.0 - 1.0.2

Opensuse: 1.0.0 - 13.1

External links

http://advisories.mageia.org/MGASA-2014-0287.html
http://lists.opensuse.org/opensuse-updates/2014-07/msg00008.html
http://seclists.org/oss-sec/2014/q2/365
http://security.gentoo.org/glsa/glsa-201412-18.xml
http://www.mandriva.com/security/advisories?name=MDVSA-2015:171
http://www.securityfocus.com/bid/67670
http://bugzilla.redhat.com/show_bug.cgi?id=998934
http://github.com/FreeRDP/FreeRDP/issues/1871
http://github.com/FreeRDP/FreeRDP/pull/1874

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.