CVE-2014-8093: Integer Overflow
First published: Wed Dec 10 2014(Updated: )
Multiple integer overflows in the GLX extension in XFree86 4.0, X.Org X Window System (aka X11 or X) X11R6.7, and X.Org Server (aka xserver and xorg-server) before 1.16.3 allow remote authenticated users to cause a denial of service (crash) or possibly execute arbitrary code via a crafted request to the (1) __glXDisp_ReadPixels, (2) __glXDispSwap_ReadPixels, (3) __glXDisp_GetTexImage, (4) __glXDispSwap_GetTexImage, (5) GetSeparableFilter, (6) GetConvolutionFilter, (7) GetHistogram, (8) GetMinmax, (9) GetColorTable, (10) __glXGetAnswerBuffer, (11) __GLX_GET_ANSWER_BUFFER, (12) __glXMap1dReqSize, (13) __glXMap1fReqSize, (14) Map2Size, (15) __glXMap2dReqSize, (16) __glXMap2fReqSize, (17) __glXImageSize, or (18) __glXSeparableFilter2DReqSize function, which triggers an out-of-bounds read or write.
Credit: secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| X.org X.org | =6.7 | |
| Ubuntu X Server Legacy | <=1.16.2 | |
| XFree86 | =4.0 |
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Reference Links
- http://advisories.mageia.org/MGASA-2014-0532.html
- http://nvidia.custhelp.com/app/answers/detail/a_id/3610
- 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/cpujul2015-2367936.html
- http://www.securityfocus.com/bid/71596
- 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-2014-8093?
CVE-2014-8093 has a high severity rating due to the potential for denial of service and arbitrary code execution.
How do I fix CVE-2014-8093?
To fix CVE-2014-8093, update the affected software to versions 1.16.3 or later for xorg-server and versions above 4.0 for XFree86.
What are the affected systems by CVE-2014-8093?
CVE-2014-8093 affects XFree86 version 4.0, X.Org X11 version 6.7, and X.Org Server up to version 1.16.2.
What type of vulnerability is CVE-2014-8093?
CVE-2014-8093 is an integer overflow vulnerability in the GLX extension of the X Window System.
Can CVE-2014-8093 be exploited remotely?
Yes, CVE-2014-8093 can be exploited by remote authenticated users to cause crashes or execute arbitrary code.
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- vendor/x.org
- canonical/x.org x.org
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- version/xfree86/4.0