CVE-2013-4256 Memory corruption in n/a
Local attackers can trigger buffer overflows in Network Audio System to cause crashes or execute arbitrary code.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2013-4256?
CVE-2013-4256 is a medium-severity memory corruption vulnerability in Canonical Ubuntu Linux, published on 9 Oct 2013. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
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.
Weakness: CWE-119
Which versions are affected by CVE-2013-4256?
It affects 2 products.
Products include Canonical Ubuntu Linux, Radscan Network Audio System.
How do I fix CVE-2013-4256?
Apply the vendor's patch.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2013-4256 being exploited?
There is no known exploitation of CVE-2013-4256 in the wild and no public exploit code.
Other vulnerabilities in Canonical Ubuntu Linux
Sources
Also known as DEBIAN-CVE-2013-4256, GHSA-whq2-g3c2-x5j3.