CVE-2013-4256

Summary

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 & exploitability

AV:L/AC:L/Au:N/C:P/I:P/A:P

Affected products we track (1)

Recommendation

Apply the vendor fix in your normal patch cycle. Open any affected product above for its exact safe version.

Official patch: http://sourceforge.net/p/nas/code/288 ↗

Additional information

• NVD record
• http://sourceforge.net/p/nas/code/288Patch
• http://www.openwall.com/lists/oss-security/2013/08/16/2Patch
• http://www.openwall.com/lists/oss-security/2013/08/19/3Patch
• http://www.ubuntu.com/usn/USN-1986-1Advisory
• http://www.debian.org/security/2013/dsa-2771
• http://www.securityfocus.com/bid/61848
• http://radscan.com/pipermail/nas/2013-August/001270.htmlExploit