CVE-2013-4256: Buffer Overflow
First published: Wed Oct 09 2013(Updated: )
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.
Credit: secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Ubuntu | =12.04 | |
| Ubuntu | =12.10 | |
| Ubuntu | =13.04 | |
| radscan Network Audio System | =1.9.3 |
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Reference Links
- http://radscan.com/pipermail/nas/2013-August/001270.html
- http://sourceforge.net/p/nas/code/288
- http://www.debian.org/security/2013/dsa-2771
- http://www.openwall.com/lists/oss-security/2013/08/16/2
- http://www.openwall.com/lists/oss-security/2013/08/19/3
- http://www.securityfocus.com/bid/61848
- http://www.ubuntu.com/usn/USN-1986-1
Frequently Asked Questions
What is the severity of CVE-2013-4256?
CVE-2013-4256 is classified as a high severity vulnerability due to the potential for denial of service and arbitrary code execution.
How do I fix CVE-2013-4256?
To mitigate CVE-2013-4256, update the Network Audio System to the latest version or apply relevant patches that address these buffer overflow vulnerabilities.
What software is affected by CVE-2013-4256?
CVE-2013-4256 affects Network Audio System version 1.9.3 and Ubuntu Linux versions 12.04, 12.10, and 13.04.
Can CVE-2013-4256 be exploited remotely?
CVE-2013-4256 primarily allows local users to exploit the vulnerability but may lead to remote execution in certain configurations.
What are the potential impacts of CVE-2013-4256?
The potential impacts of CVE-2013-4256 include system crashes and the possibility of executing arbitrary code leading to unauthorized access.
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- version/ubuntu/12.04
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- canonical/radscan network audio system
- version/radscan network audio system/1.9.3