Description
Buffer overflow in the X render (Xrender) extension in X.org X server 6.8.0 up to allows attackers to cause a denial of service (crash), as demonstrated by the (1) XRenderCompositeTriStrip and (2) XRenderCompositeTriFan requests in the rendertest from XCB xcb/xcb-demo, which leads to an incorrect memory allocation due to a typo in an expression that uses a "&" instead of a "*" operator. NOTE: the subject line of the original announcement used an incorrect CVE number for this issue.
Affected products
- X.Org / x11r66.7.0 – 6.7.0
- X.Org / x11r66.8 – 6.8
- X.Org / x11r66.8.1 – 6.8.1
- X.Org / x11r66.9 – 6.9
References
- MISChttp://www.redhat.com/support/errata/RHSA-2006-0451.html
- VENDOR_ADVISORYhttp://secunia.com/advisories/19921
- VENDOR_ADVISORYhttp://secunia.com/advisories/19943
- MISChttps://exchange.xforce.ibmcloud.com/vulnerabilities/26200
- VENDOR_ADVISORYhttp://secunia.com/advisories/19956
- VENDOR_ADVISORYhttp://www.mandriva.com/security/advisories?name=MDKSA-2006:081
- VENDOR_ADVISORYhttp://www.vupen.com/english/advisories/2006/1617
- VENDOR_ADVISORYhttp://secunia.com/advisories/19951
- VENDOR_ADVISORYhttp://www.novell.com/linux/security/advisories/2006_05_03.html
- MISChttps://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9929
- MISChttp://www.securityfocus.com/bid/17795
- MISChttp://sunsolve.sun.com/search/document.do?assetkey=1-26-102339-1
- MISChttp://www.kb.cert.org/vuls/id/633257
- MISChttp://securitytracker.com/id?1016018
- MISChttp://www.gentoo.org/security/en/glsa/glsa-200605-02.xml
- VENDOR_ADVISORYhttp://secunia.com/advisories/19983
- MISChttp://www.openbsd.org/errata38.html#xorg
- MISChttp://www.trustix.org/errata/2006/0024
- MISChttps://bugs.freedesktop.org/show_bug.cgi?id=6642
- VENDOR_ADVISORYhttp://secunia.com/advisories/19900
- VENDOR_ADVISORYhttps://usn.ubuntu.com/280-1/
- MISChttp://www.securityfocus.com/archive/1/436327/100/0/threaded
- VENDOR_ADVISORYhttp://secunia.com/advisories/19915
- MAILING_LISThttp://lists.freedesktop.org/archives/xorg/2006-May/015136.html
- VENDOR_ADVISORYhttp://secunia.com/advisories/19916