net-snmp 5.0.1/5.0.3/5.0.4 Pre2 SNMP Daemon snmp_agent.c handle_var_requests null pointer dereference

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CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
5.3	$0-$5k	0.00

Summaryinfo

A vulnerability categorized as problematic has been discovered in net-snmp 5.0.1/5.0.3/5.0.4 Pre2. This affects the function handle_var_requests of the file snmp_agent.c of the component SNMP Daemon. Such manipulation leads to null pointer dereference. This vulnerability is documented as CVE-2002-1170. There is not any exploit available.

Detailsinfo

A vulnerability was found in net-snmp 5.0.1/5.0.3/5.0.4 Pre2 (Network Management Software) and classified as problematic. Affected by this issue is the function handle_var_requests of the file snmp_agent.c of the component SNMP Daemon. The manipulation with an unknown input leads to a null pointer dereference vulnerability. Using CWE to declare the problem leads to 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. Impacted is availability. CVE summarizes:

The handle_var_requests function in snmp_agent.c for the SNMP daemon in the Net-SNMP (formerly ucd-snmp) package 5.0.1 through 5.0.5 allows remote attackers to cause a denial of service (crash) via a NULL dereference.

The weakness was released 10/11/2002 by Andrew (Website). The advisory is shared for download at marc.theaimsgroup.com. This vulnerability is handled as CVE-2002-1170. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. There are known technical details, but no exploit is available.

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 databases at X-Force (10250) and SecurityFocus (BID 5862†). Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Network Management Software

Name

net-snmp

Version

License

open-source

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.3

VulDB Base Score: 5.3
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AV	AC	Au	C	I	A
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

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

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

10/02/2002 🔍
10/11/2002 +9 days 🔍
10/11/2002 +0 days 🔍
07/30/2014 +4310 days 🔍
06/09/2018 +1410 days 🔍

Sourcesinfo

Advisory: marc.theaimsgroup.com
Researcher: Andrew
Status: Not defined
Confirmation: 🔍

CVE: CVE-2002-1170 (🔍)
GCVE (CVE): GCVE-0-2002-1170
GCVE (VulDB): GCVE-100-19076
X-Force: 10250 - Net-SNMP handle_var_requests() denial of service
SecurityFocus: 5862

Entryinfo

Created: 07/30/2014 17:55
Updated: 06/09/2018 10:56
Changes: 07/30/2014 17:55 (49), 06/09/2018 10:56 (6)
Complete: 🔍
Cache ID: 216::103