CVE-2010-4819: Input Validation
First published: Wed Sep 05 2012(Updated: )
The ProcRenderAddGlyphs function in the Render extension (render/render.c) in X.Org xserver 1.7.7 and earlier allows local users to read arbitrary memory and possibly cause a denial of service (server crash) via unspecified vectors related to an "input sanitization flaw."
Credit: secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| xserver | <=1.7.7 | |
| xserver | =1.7 | |
| xserver | =1.7.6.902 | |
| xserver | =1.7.7-rc2 |
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Reference Links
- http://rhn.redhat.com/errata/RHSA-2011-1359.html
- http://rhn.redhat.com/errata/RHSA-2011-1360.html
- http://aix.software.ibm.com/aix/efixes/security/X_advisory2.asc
- http://securitytracker.com/id?1026149
- https://bugs.freedesktop.org/show_bug.cgi?id=28801
- http://cgit.freedesktop.org/xorg/xserver/commit/render/render.c?id=5725849a1b427cd4a72b84e57f211edb35838718
- http://www.openwall.com/lists/oss-security/2011/09/23/5
- http://www.openwall.com/lists/oss-security/2011/09/22/8
Frequently Asked Questions
What is the severity of CVE-2010-4819?
CVE-2010-4819 is classified as a moderate severity vulnerability due to its potential to allow local users to read arbitrary memory.
How do I fix CVE-2010-4819?
To fix CVE-2010-4819, update the X.Org Xserver to version 1.7.8 or later, where the vulnerability has been addressed.
What software versions are affected by CVE-2010-4819?
CVE-2010-4819 affects X.Org Xserver versions 1.7.7 and earlier, including specific versions like 1.7.6.902.
What type of attack can CVE-2010-4819 lead to?
CVE-2010-4819 can potentially lead to a denial of service by causing the server to crash.
Is CVE-2010-4819 exploitable remotely?
CVE-2010-4819 is primarily a local vulnerability, meaning it is exploited by local users rather than remotely.
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- vendor/x
- canonical/xserver
- version/xserver/1.7.7
- version/xserver/1.7
- version/xserver/1.7.6.902
- version/xserver/1.7.7-rc2