Vulnerability Description
In X.Org Server (aka xserver and xorg-server) before 1.19.4, a local attacker authenticated to the X server could overflow a global buffer, causing crashes of the X server or potentially other problems by injecting large or malformed XKB related atoms and accessing them via xkbcomp.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| X.Org | X Server | <= 1.19.3 |
| Debian | Debian Linux | 8.0 |
Related Weaknesses (CWE)
References
- http://www.debian.org/security/2017/dsa-4000Third Party Advisory
- http://www.openwall.com/lists/oss-security/2017/10/04/10Mailing ListThird Party Advisory
- http://www.securityfocus.com/bid/101253Third Party AdvisoryVDB Entry
- https://cgit.freedesktop.org/xorg/xserver/commit/?id=94f11ca5cf011ef123bd222cabeThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2017/11/msg00032.html
- https://lists.x.org/archives/xorg-announce/2017-October/002808.htmlVendor Advisory
- https://security.gentoo.org/glsa/201710-30Third Party Advisory
- http://www.debian.org/security/2017/dsa-4000Third Party Advisory
- http://www.openwall.com/lists/oss-security/2017/10/04/10Mailing ListThird Party Advisory
- http://www.securityfocus.com/bid/101253Third Party AdvisoryVDB Entry
- https://cgit.freedesktop.org/xorg/xserver/commit/?id=94f11ca5cf011ef123bd222cabeThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2017/11/msg00032.html
- https://lists.x.org/archives/xorg-announce/2017-October/002808.htmlVendor Advisory
- https://security.gentoo.org/glsa/201710-30Third Party Advisory
FAQ
What is CVE-2017-13723?
CVE-2017-13723 is a vulnerability with a CVSS score of 7.8 (HIGH). In X.Org Server (aka xserver and xorg-server) before 1.19.4, a local attacker authenticated to the X server could overflow a global buffer, causing crashes of the X server or potentially other problem...
How severe is CVE-2017-13723?
CVE-2017-13723 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2017-13723?
Check the references section above for vendor advisories and patch information. Affected products include: X.Org X Server, Debian Debian Linux.