CVE-2013-1981: Buffer Overflow
First published: Sat Jun 15 2013(Updated: )
Multiple integer overflows in X.org libX11 1.5.99.901 (1.6 RC1) and earlier allow X servers to trigger allocation of insufficient memory and a buffer overflow via vectors related to the (1) XQueryFont, (2) _XF86BigfontQueryFont, (3) XListFontsWithInfo, (4) XGetMotionEvents, (5) XListHosts, (6) XGetModifierMapping, (7) XGetPointerMapping, (8) XGetKeyboardMapping, (9) XGetWindowProperty, (10) XGetImage, (11) LoadColornameDB, (12) XrmGetFileDatabase, (13) _XimParseStringFile, or (14) TransFileName functions.
Credit: secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Red Hat Libx11 | <=1.5.99.901 | |
| Red Hat Libx11 | =1.5.0 | |
| Ubuntu | =10.04 | |
| Ubuntu | =12.04 | |
| Ubuntu | =12.10 | |
| Ubuntu | =13.04 |
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Reference Links
- http://lists.fedoraproject.org/pipermail/package-announce/2013-May/106781.html
- http://www.debian.org/security/2013/dsa-2693
- http://www.openwall.com/lists/oss-security/2013/05/23/3
- http://www.securityfocus.com/bid/60120
- http://www.ubuntu.com/usn/USN-1854-1
- http://www.x.org/wiki/Development/Security/Advisory-2013-05-23
Frequently Asked Questions
What is the severity of CVE-2013-1981?
CVE-2013-1981 is classified as a high-severity vulnerability due to the risk of buffer overflows leading to arbitrary code execution.
How do I fix CVE-2013-1981?
To fix CVE-2013-1981, update the X.org libX11 library to version 1.6 or later.
Who is affected by CVE-2013-1981?
CVE-2013-1981 affects users of X.org libX11 versions 1.5.0 up to 1.5.99.901 and specific versions of Ubuntu Linux.
What types of vulnerabilities does CVE-2013-1981 exploit?
CVE-2013-1981 exploits integer overflow vulnerabilities in multiple X server functions.
What could happen if CVE-2013-1981 is exploited?
If exploited, CVE-2013-1981 could lead to a denial of service or potentially allow an attacker to execute arbitrary code.
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- agent/softwarecombine
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- agent/software-canonical-lookup-request
- vendor/x
- canonical/red hat libx11
- version/red hat libx11/1.5.99.901
- version/red hat libx11/1.5.0
- vendor/canonical
- canonical/ubuntu
- version/ubuntu/10.04
- version/ubuntu/12.04
- version/ubuntu/12.10
- version/ubuntu/13.04