Radscan Network Audio System up to 1.x readrequestfromclient null pointer dereference

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.7$0-$5k0.00

A vulnerability classified as critical was found in Radscan Network Audio System up to 1.x. This vulnerability affects the function readrequestfromclient. The manipulation with an unknown input leads to a null pointer dereference vulnerability. The CWE definition for the vulnerability is CWE-476. A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit. As an impact it is known to affect availability. CVE summarizes:

The ReadRequestFromClient function in server/os/io.c in Network Audio System (NAS) before 1.8a SVN 237 allows remote attackers to cause a denial of service (crash) via multiple simultaneous connections, which triggers a NULL pointer dereference.

The bug was discovered 03/18/2007. The weakness was disclosed 03/20/2007 by Luigi Auriemma (Website). The advisory is available at securityfocus.com. This vulnerability was named CVE-2007-1547 since 03/20/2007. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Technical details are known, but there is no available exploit.

It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 2 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 24921 (Debian DSA-1273-1 : nas - several vulnerabilities), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Debian Local Security Checks and running in the context l.

Upgrading to version 1.8a eliminates this vulnerability. A possible mitigation has been published 1 weeks after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (33059) and Tenable (24921). The entries 35721, 35720, 35719 and 35718 are pretty similar.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

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CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 6.7

VulDB Base Score: 7.5
VulDB Temp Score: 6.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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Exploitinginfo

Class: Null pointer dereference
CWE: CWE-476 / CWE-404
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔍
Status: Proof-of-Concept

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EPSS Percentile: 🔍

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Current Price Estimation: 🔍

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Nessus ID: 24921
Nessus Name: Debian DSA-1273-1 : nas - several vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
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OpenVAS ID: 58325
OpenVAS Name: Debian Security Advisory DSA 1273-1 (nas)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

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Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
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Upgrade: Network Audio System 1.8a

Timelineinfo

03/18/2007 🔍
03/19/2007 +1 days 🔍
03/19/2007 +0 days 🔍
03/20/2007 +1 days 🔍
03/20/2007 +0 days 🔍
03/20/2007 +0 days 🔍
03/20/2007 +0 days 🔍
03/27/2007 +7 days 🔍
03/28/2007 +1 days 🔍
04/01/2007 +4 days 🔍
04/05/2007 +4 days 🔍
03/13/2015 +2899 days 🔍
07/17/2019 +1587 days 🔍

Sourcesinfo

Advisory: securityfocus.com⛔
Researcher: Luigi Auriemma
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2007-1547 (🔍)
X-Force: 33059
SecurityTracker: 1017822
Vulnerability Center: 14727 - Network Audio System Remote DoS via Multiple Simultaneous Connections, Medium
SecurityFocus: 23017 - Network Audio System Local Privilege Escalation and Denial of Service Vulnerabilities
Secunia: 24527 - Network Audio System Multiple Vulnerabilities, Less Critical
OSVDB: 34262 - CVE-2007-1547 - Radscan - Network Audio System - Denial-of-Service Issue
Vupen: ADV-2007-0997

See also: 🔍

Entryinfo

Created: 03/13/2015 12:16
Updated: 07/17/2019 09:32
Changes: 03/13/2015 12:16 (85), 07/17/2019 09:32 (4)
Complete: 🔍

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