Vulnerability Details : CVE-2013-1996
X.org libFS 1.0.4 and earlier allows X servers to trigger allocation of insufficient memory and a buffer overflow via vectors related to an unexpected sign extension in the FSOpenServer function.
Vulnerability category: Overflow
Exploit prediction scoring system (EPSS) score for CVE-2013-1996
Probability of exploitation activity in the next 30 days: 0.55%
Percentile, the proportion of vulnerabilities that are scored at or less: ~ 75 % EPSS Score History EPSS FAQ
CVSS scores for CVE-2013-1996
| 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-2013-1996
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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-2013-1996
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http://www.ubuntu.com/usn/USN-1853-1
USN-1853-1: libfs vulnerability | 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
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http://www.securityfocus.com/bid/60130
X.Org libFS 'FSOpenServer()' Memory Corruption Vulnerability
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http://www.debian.org/security/2013/dsa-2687
Debian -- Security Information -- DSA-2687-1 libfs
Products affected by CVE-2013-1996
- cpe:2.3:a:x:libfs:*:*:*:*:*:*:*:*
- cpe:2.3:a:x:libfs:1.0.3:*:*:*:*:*:*:*
- cpe:2.3:a:x:libfs:1.0.1:*:*:*:*:*:*:*
- cpe:2.3:a:x:libfs:1.0.2:*:*:*:*:*:*:*