X.Org server (xorg-server) 1.0.0 and later, X11R6.9.0, and X11R7.0 inadvertently treats the address of the geteuid function as if it is the return value of a call to geteuid, which allows local users to bypass intended restrictions and (1) execute arbitrary code via the -modulepath command line option or (2) overwrite arbitrary files via -logfile.
Affected Software
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| X11r6 | X.org | 6.9 (including) | 6.9 (including) |
| X11r7 | X.org | 1.0 (including) | 1.0 (including) |
| X11r7 | X.org | 1.0.1 (including) | 1.0.1 (including) |
| Xorg-server | Ubuntu | dapper | * |
| Xorg-server | Ubuntu | devel | * |
| Xorg-server | Ubuntu | edgy | * |
| Xorg-server | Ubuntu | feisty | * |
References
- http://secunia.com/advisories/19256
- http://secunia.com/advisories/19307
- http://secunia.com/advisories/19311
- http://secunia.com/advisories/19316
- http://secunia.com/advisories/19676
- http://securityreason.com/securityalert/606
- http://securitytracker.com/id?1015793
- http://sunsolve.sun.com/search/document.do?assetkey=1-26-102252-1
- http://support.avaya.com/elmodocs2/security/ASA-2006-078.htm
- http://www.mandriva.com/security/advisories?name=MDKSA-2006:056
- http://www.novell.com/linux/security/advisories/2006_16_xorgx11server.html
- http://www.osvdb.org/24000
- http://www.osvdb.org/24001
- http://www.redhat.com/archives/fedora-announce-list/2006-March/msg00026.html
- http://www.securityfocus.com/archive/1/428183/100/0/threaded
- http://www.securityfocus.com/archive/1/428230/100/0/threaded
- http://www.securityfocus.com/bid/17169
- http://www.vupen.com/english/advisories/2006/1017
- http://www.vupen.com/english/advisories/2006/1028
- https://exchange.xforce.ibmcloud.com/vulnerabilities/25341
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1697
- http://secunia.com/advisories/19256
- http://secunia.com/advisories/19307
- http://secunia.com/advisories/19311
- http://secunia.com/advisories/19316
- http://secunia.com/advisories/19676
- http://securityreason.com/securityalert/606
- http://securitytracker.com/id?1015793
- http://sunsolve.sun.com/search/document.do?assetkey=1-26-102252-1
- http://support.avaya.com/elmodocs2/security/ASA-2006-078.htm
- http://www.mandriva.com/security/advisories?name=MDKSA-2006:056
- http://www.novell.com/linux/security/advisories/2006_16_xorgx11server.html
- http://www.osvdb.org/24000
- http://www.osvdb.org/24001
- http://www.redhat.com/archives/fedora-announce-list/2006-March/msg00026.html
- http://www.securityfocus.com/archive/1/428183/100/0/threaded
- http://www.securityfocus.com/archive/1/428230/100/0/threaded
- http://www.securityfocus.com/bid/17169
- http://www.vupen.com/english/advisories/2006/1017
- http://www.vupen.com/english/advisories/2006/1028
- https://exchange.xforce.ibmcloud.com/vulnerabilities/25341
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1697