Net-SNMP 5.7.1 handle_nsExtendOutput2Table memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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4.3$5k-$25k0.00

Summaryinfo

A vulnerability was found in Net-SNMP 5.7.1. It has been rated as problematic. Affected is the function handle_nsExtendOutput2Table. This manipulation causes memory corruption. This vulnerability is handled as CVE-2012-2141. There is not any exploit available.

Detailsinfo

A vulnerability was found in Net-SNMP 5.7.1 (Network Management Software). It has been declared as problematic. Affected by this vulnerability is the function handle_nsExtendOutput2Table. 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 availability. The summary by CVE is:

Array index error in the handle_nsExtendOutput2Table function in agent/mibgroup/agent/extend.c in Net-SNMP 5.7.1 allows remote authenticated users to cause a denial of service (out-of-bounds read and snmpd crash) via an SNMP GET request for an entry not in the extension table.

The weakness was released 08/14/2012 as Bug 815813 as confirmed bug report (Bugzilla). The advisory is shared at bugzilla.redhat.com. This vulnerability is known as CVE-2012-2141 since 04/04/2012. The attack can be launched remotely. The successful exploitation requires a single authentication. Technical details are known, but no exploit is available. The price for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 01/02/2025).

The vulnerability scanner Nessus provides a plugin with the ID 69704 (Amazon Linux AMI : net-snmp (ALAS-2012-97)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Amazon Linux Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 120783 (Red Hat Update for net-snmp (RHSA-2013:0124)).

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 (75169), Tenable (69704), SecurityFocus (BID 53258†), Secunia (SA48938†) and SecurityTracker (ID 1026984†). Entries connected to this vulnerability are available at VDB-12511, VDB-12512, VDB-12513 and VDB-12514. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

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License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.3
VulDB Meta Temp Score: 4.3

VulDB Base Score: 4.3
VulDB Temp Score: 4.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
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NVD Base Score: 🔍

Exploitinginfo

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

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 69704
Nessus Name: Amazon Linux AMI : net-snmp (ALAS-2012-97)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Port: 🔍

OpenVAS ID: 71268
OpenVAS Name: FreeBSD Ports: net-snmp
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

04/04/2012 🔍
04/24/2012 +20 days 🔍
04/26/2012 +2 days 🔍
04/26/2012 +0 days 🔍
04/26/2012 +0 days 🔍
07/10/2012 +75 days 🔍
08/14/2012 +35 days 🔍
08/14/2012 +0 days 🔍
09/04/2013 +386 days 🔍
03/23/2015 +565 days 🔍
01/02/2025 +3573 days 🔍

Sourcesinfo

Advisory: Bug 815813
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2012-2141 (🔍)
GCVE (CVE): GCVE-0-2012-2141
GCVE (VulDB): GCVE-100-61621

OVAL: 🔍

X-Force: 75169
SecurityFocus: 53258 - Net-SNMP Agent MIB Subtree Remote Denial of Service Vulnerability
Secunia: 48938 - Net-SNMP Agent MIB Subtree Handling Denial of Service Vulnerability, Less Critical
SecurityTracker: 1026984 - Net-snmp handle_nsExtendOutput2Table() Array Index Error Lets Remote Users Deny Service
Vulnerability Center: 35507 - Net-SNMP 5.7.1 Remote Denial of Service Vulnerability via a Crafted SNMP GET Request, Medium

See also: 🔍

Entryinfo

Created: 03/23/2015 16:50
Updated: 01/02/2025 11:14
Changes: 03/23/2015 16:50 (64), 04/14/2017 14:02 (17), 12/07/2021 18:08 (3), 01/02/2025 11:14 (22)
Complete: 🔍
Cache ID: 216::103

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