Vulnerability Details : CVE-2013-1997
Multiple buffer overflows in X.org libX11 1.5.99.901 (1.6 RC1) and earlier allow X servers to cause a denial of service (crash) and possibly execute arbitrary code via crafted length or index values to the (1) XAllocColorCells, (2) _XkbReadGetDeviceInfoReply, (3) _XkbReadGeomShapes, (4) _XkbReadGetGeometryReply, (5) _XkbReadKeySyms, (6) _XkbReadKeyActions, (7) _XkbReadKeyBehaviors, (8) _XkbReadModifierMap, (9) _XkbReadExplicitComponents, (10) _XkbReadVirtualModMap, (11) _XkbReadGetNamesReply, (12) _XkbReadGetMapReply, (13) _XimXGetReadData, (14) XListFonts, (15) XListExtensions, and (16) XGetFontPath functions.
Vulnerability category: OverflowExecute codeDenial of service
Exploit prediction scoring system (EPSS) score for CVE-2013-1997
Probability of exploitation activity in the next 30 days: 1.47%
Percentile, the proportion of vulnerabilities that are scored at or less: ~ 85 % EPSS Score History EPSS FAQ
CVSS scores for CVE-2013-1997
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source |
---|---|---|---|---|---|
6.8
|
MEDIUM | AV:N/AC:M/Au:N/C:P/I:P/A:P |
8.6
|
6.4
|
NIST |
CWE ids for CVE-2013-1997
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The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer.Assigned by: nvd@nist.gov (Primary)
References for CVE-2013-1997
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http://lists.fedoraproject.org/pipermail/package-announce/2013-May/106781.html
[SECURITY] Fedora 19 Update: libX11-1.5.99.901-3.20130524gita3bdd2b09.fc19
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http://www.debian.org/security/2013/dsa-2693
Debian -- Security Information -- DSA-2693-1 libx11
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http://www.ubuntu.com/usn/USN-1854-1
USN-1854-1: libx11 vulnerabilities | Ubuntu security notices
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http://www.openwall.com/lists/oss-security/2013/05/23/3
oss-security - Fwd: [ANNOUNCE] X.Org Security Advisory: Protocol handling issues in X Window System client libraries
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http://www.x.org/wiki/Development/Security/Advisory-2013-05-23
X.Org Security Advisory: May 23, 2013Vendor Advisory
Products affected by CVE-2013-1997
- cpe:2.3:a:x:libx11:*:*:*:*:*:*:*:*
- cpe:2.3:a:x:libx11:1.5.0:*:*:*:*:*:*:*