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Last updated: 4/25/2014

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Vulnerability Summary for CVE-2013-4256

Original release date: 10/09/2013
Last revised: 10/23/2013
Source: US-CERT/NIST

Overview

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.

Impact

CVSS Severity (version 2.0):
CVSS v2 Base Score: 4.6 (MEDIUM) (AV:L/AC:L/AU:N/C:P/I:P/A:P) (legend)
Impact Subscore: 6.4
Exploitability Subscore: 3.9
CVSS Version 2 Metrics:
Access Vector: Locally exploitable
Access Complexity: Low
Authentication: Not required to exploit
Impact Type: Allows unauthorized disclosure of information; Allows unauthorized modification; Allows disruption of service

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External Source: DEBIAN
Name: DSA-2771
External Source: MLIST
Name: [nas] 20130807 nas: Multiple Vulnerabilities in nas 1.9.3
External Source: CONFIRM
Name: http://sourceforge.net/p/nas/code/288
Type: Patch Information; Exploit
External Source: MLIST
Name: [oss-security] 20130819 Re: CVE Request : NAS v1.9.3 multiple Vulnerabilites
Type: Patch Information
External Source: MLIST
Name: [oss-security] 20130816 CVE Request : NAS v1.9.3 multiple Vulnerabilites
Type: Patch Information
External Source: UBUNTU
Name: USN-1986-1
Type: Advisory

Technical Details

Vulnerability Type (View All)