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.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | nas | 1.9.3-6 | — |
| Debian 13 | nas | 1.9.3-6 | — |
| Debian 12 | nas | 1.9.3-6 | — |
| Debian 7 | nas | 1.9.3-5wheezy1 | DSA-2771-1 |
| Debian 6.0 | nas | 1.9.2-4squeeze1 | DSA-2771-1 |
Advisories 1
- DSA-2771-1 nas - several Debian Security (DSA / DLA) · Mar 9, 2026
References
- [oss-security] 20130819 Re: CVE Request : NAS v1.9.3 multiple Vulnerabilites mailing-list
- [nas] 20130807 nas: Multiple Vulnerabilities in nas 1.9.3 mailing-list
- [oss-security] 20130816 CVE Request : NAS v1.9.3 multiple Vulnerabilites mailing-list
- http://sourceforge.net/p/nas/code/288
- DSA-2771 vendor-advisory
- 61848 vdb-entry
- USN-1986-1 vendor-advisory