CVE-2014-8091: Null Pointer Dereference
First published: Wed Dec 10 2014(Updated: )
X.Org X Window System (aka X11 and X) X11R5 and X.Org Server (aka xserver and xorg-server) before 1.16.3, when using SUN-DES-1 (Secure RPC) authentication credentials, does not check the return value of a malloc call, which allows remote attackers to cause a denial of service (NULL pointer dereference and server crash) via a crafted connection request.
Credit: secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Ubuntu X Server Legacy | <=1.16.2 | |
| X.org X.org | =5.0 |
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Reference Links
- http://advisories.mageia.org/MGASA-2014-0532.html
- http://secunia.com/advisories/61947
- http://secunia.com/advisories/62292
- http://www.debian.org/security/2014/dsa-3095
- http://www.mandriva.com/security/advisories?name=MDVSA-2015:119
- http://www.oracle.com/technetwork/topics/security/bulletinjan2015-2370101.html
- http://www.oracle.com/technetwork/topics/security/bulletinoct2015-2511968.html
- http://www.oracle.com/technetwork/topics/security/cpujul2015-2367936.html
- http://www.securityfocus.com/bid/71597
- http://www.x.org/wiki/Development/Security/Advisory-2014-12-09/
- https://security.gentoo.org/glsa/201504-06
Frequently Asked Questions
What is the severity of CVE-2014-8091?
CVE-2014-8091 is classified as a medium severity vulnerability due to its potential to cause denial of service.
How do I fix CVE-2014-8091?
To mitigate CVE-2014-8091, upgrade the X.Org Server to version 1.16.3 or later.
What applications are affected by CVE-2014-8091?
CVE-2014-8091 affects X.Org Server versions prior to 1.16.3 and X11 version 5.0.
What type of vulnerability is CVE-2014-8091?
CVE-2014-8091 is a memory management vulnerability that can lead to a denial of service due to insufficient checks on malloc return values.
Can CVE-2014-8091 be exploited remotely?
Yes, CVE-2014-8091 can be exploited remotely, allowing attackers to cause service disruptions.
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- vendor/x.org
- canonical/ubuntu x server legacy
- version/ubuntu x server legacy/1.16.2
- canonical/x.org x.org
- version/x.org x.org/5.0