NetSupport Netsupport Manager Client 10.20 memory corruption

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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9.5$0-$5k0.00

A vulnerability was found in NetSupport Netsupport Manager Client 10.20. It has been rated as very critical. This issue affects an unknown code. The manipulation with an unknown input leads to a memory corruption vulnerability. Using CWE to declare the problem leads to 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. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

Buffer overflow in NetSupport Manager (NSM) Client 10.00 and 10.20, and NetSupport School Student (NSS) 9.00, allows remote NSM servers to cause a denial of service or possibly execute arbitrary code via crafted data in the configuration exchange phase of an initial connection setup. NOTE: a vendor statement, which is too vague to be sure that it is for this particular issue, says that only a denial of service is possible.

The bug was discovered 10/02/2007. The weakness was presented 10/06/2007 by r@b13$ (Website). The advisory is shared at securityfocus.com. The identification of this vulnerability is CVE-2007-5252 since 10/06/2007. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 07/27/2019).

The vulnerability was handled as a non-public zero-day exploit for at least 3 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 26922 (NetSupport NSM / NSS Initial Connection Setup Configuration Exchange Remote Overflow), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Windows and running in the context l.

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the databases at X-Force (36963) and Tenable (26922).

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 10.0
VulDB Meta Temp Score: 9.5

VulDB Base Score: 10.0
VulDB Temp Score: 9.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 26922
Nessus Name: NetSupport NSM / NSS Initial Connection Setup Configuration Exchange Remote Overflow
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

10/02/2007 🔍
10/02/2007 +0 days 🔍
10/04/2007 +2 days 🔍
10/05/2007 +1 days 🔍
10/05/2007 +0 days 🔍
10/05/2007 +0 days 🔍
10/06/2007 +1 days 🔍
10/06/2007 +0 days 🔍
10/06/2007 +0 days 🔍
10/08/2007 +2 days 🔍
03/16/2015 +2716 days 🔍
07/27/2019 +1594 days 🔍

Sourcesinfo

Advisory: securityfocus.com⛔
Researcher: r@b13$
Status: Confirmed

CVE: CVE-2007-5252 (🔍)
X-Force: 36963
SecurityTracker: 1018774
Vulnerability Center: 16304 - NetSupport Manager and NetSupport School Student Allows Remote Code Execution and DoS, High
SecurityFocus: 25932 - NetSupport Manager Initial Client Connection Buffer Overflow Vulnerability
Secunia: 27082
OSVDB: 40588 - NetSupport Manager - Initial Client Connection - Buffer Overflow Issue

Entryinfo

Created: 03/16/2015 12:18
Updated: 07/27/2019 10:41
Changes: 03/16/2015 12:18 (71), 07/27/2019 10:41 (4)
Complete: 🔍
Cache ID: 3:5C6:103

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