Vulnerability Details : CVE-2013-4256
Potential exploit
Multiple stack-based and heap-based buffer overflows in Network Audio System (NAS) 1.9.3 allow local users to cause a denial of service (crash) or possibly execute arbitrary code via the (1) display command argument to the ProcessCommandLine function in server/os/utils.c; (2) ResetHosts function in server/os/access.c; (3) open_unix_socket, (4) open_isc_local, (5) open_xsight_local, (6) open_att_local, or (7) open_att_svr4_local function in server/os/connection.c; the (8) AUDIOHOST environment variable to the CreateWellKnownSockets or (9) AmoebaTCPConnectorThread function in server/os/connection.c; or (10) unspecified vectors related to logging in the osLogMsg function in server/os/aulog.c.
Vulnerability category: Execute codeDenial of service
Products affected by CVE-2013-4256
- cpe:2.3:o:canonical:ubuntu_linux:12.04:-:lts:*:*:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:13.04:*:*:*:*:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:12.10:*:*:*:*:*:*:*
- cpe:2.3:a:radscan:network_audio_system:1.9.3:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2013-4256
0.05%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 14 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2013-4256
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
4.6
|
MEDIUM | AV:L/AC:L/Au:N/C:P/I:P/A:P |
3.9
|
6.4
|
NIST |
CWE ids for CVE-2013-4256
-
The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.Assigned by: nvd@nist.gov (Primary)
References for CVE-2013-4256
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http://www.securityfocus.com/bid/61848
Network Audio System CVE-2013-4256 Multiple Buffer Overflow Vulnerabilities
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http://www.ubuntu.com/usn/USN-1986-1
USN-1986-1: Network Audio System (NAS) vulnerabilities | Ubuntu security noticesVendor Advisory
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http://www.openwall.com/lists/oss-security/2013/08/16/2
oss-security - CVE Request : NAS v1.9.3 multiple VulnerabilitesPatch
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http://www.openwall.com/lists/oss-security/2013/08/19/3
oss-security - Re: CVE Request : NAS v1.9.3 multiple VulnerabilitesPatch
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http://www.debian.org/security/2013/dsa-2771
Debian -- Security Information -- DSA-2771-1 nas
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http://sourceforge.net/p/nas/code/288
Page not found - SourceForge.netExploit;Patch
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http://radscan.com/pipermail/nas/2013-August/001270.html
[nas] nas: Multiple Vulnerabilities in nas 1.9.3Exploit
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