Radscan Network Audio System 1.9.3 osLogMsg memory corruption

CVSS Meta Temp Score
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5.9$0-$5k0.00

A vulnerability classified as problematic was found in Radscan Network Audio System 1.9.3. Affected by this vulnerability is the function osLogMsg. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

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.

The weakness was presented 10/09/2013 (oss-sec). The advisory is shared at openwall.com. This vulnerability is known as CVE-2013-4256 since 06/12/2013. The exploitation appears to be easy. An attack has to be approached locally. The exploitation doesn't need any form of authentication. Technical details are known, but no exploit is available.

The vulnerability scanner Nessus provides a plugin with the ID 70155 (Fedora 18 : nas-1.9.3-4.fc18 (2013-16989)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Fedora Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 195937 (Ubuntu Security Notification for Nas Vulnerabilities (USN-1986-1)).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at Tenable (70155). See 65235 for similar entry.

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CPE 2.3info

CPE 2.2info

CVSSv4info

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CVSSv3info

VulDB Meta Base Score: 5.9
VulDB Meta Temp Score: 5.9

VulDB Base Score: 5.9
VulDB Temp Score: 5.9
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CVSSv2info

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Exploitinginfo

Class: Memory corruption
CWE: CWE-119
ATT&CK: Unknown

Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

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Nessus ID: 70155
Nessus Name: Fedora 18 : nas-1.9.3-4.fc18 (2013-16989)
Nessus File: 🔍
Nessus Risk: 🔍
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OpenVAS ID: 892771
OpenVAS Name: Debian Security Advisory DSA 2771-1 (nas - several vulnerabilities
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Threat Intelligenceinfo

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Countermeasuresinfo

Recommended: no mitigation known
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Timelineinfo

06/12/2013 🔍
08/16/2013 +65 days 🔍
09/27/2013 +42 days 🔍
10/01/2013 +4 days 🔍
10/09/2013 +8 days 🔍
10/09/2013 +0 days 🔍
03/24/2015 +531 days 🔍
01/08/2022 +2482 days 🔍

Sourcesinfo

Advisory: USN-1986-1
Status: Not defined
Confirmation: 🔍

CVE: CVE-2013-4256 (🔍)
OVAL: 🔍

Vulnerability Center: 41679 - NAS 1.9.3 and earlier Remote Code Execution and DoS due to Buffer Overflow when Parsing Display Number, High
SecurityFocus: 61848

See also: 🔍

Entryinfo

Created: 03/24/2015 15:54
Updated: 01/08/2022 13:30
Changes: 03/24/2015 15:54 (65), 05/12/2017 10:33 (3), 01/08/2022 13:25 (3), 01/08/2022 13:30 (1)
Complete: 🔍

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