net-snmp up to 5.7 table_container.c _set_key UDP Packet null pointer dereference

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CVSS Meta Temp Score
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CTI Interest Score
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4.9$0-$5k0.00

A vulnerability, which was classified as problematic, has been found in net-snmp up to 5.7 (Network Management Software). Affected by this issue is the function _set_key of the file agent/helpers/table_container.c. The manipulation as part of a UDP Packet leads to a denial of service vulnerability. Using CWE to declare the problem leads to CWE-476. Impacted is availability.

The bug was discovered 10/08/2018. The weakness was released 10/08/2018 (Website). The advisory is available at dumpco.re. This vulnerability is handled as CVE-2018-18065 since 10/08/2018. The attack may be launched remotely. A simple authentication is needed for exploitation. Technical details as well as a public exploit are known.

It is declared as proof-of-concept. The exploit is available at exploit-db.com. The vulnerability scanner Nessus provides a plugin with the ID 118324 (Ubuntu 18.10 : net-snmp vulnerability (USN-3792-3)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Ubuntu Local Security Checks and running in the context local. The commercial vulnerability scanner Qualys is able to test this issue with plugin 171872 (OpenSUSE Security Update for net-snmp (openSUSE-SU-2018:3508-1)).

Upgrading to version 5.8 eliminates this vulnerability. A possible mitigation has been published 3 weeks after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (118324). Entry connected to this vulnerability is available at 125067.

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VulDB Meta Base Score: 5.4
VulDB Meta Temp Score: 4.9

VulDB Base Score: 4.3
VulDB Temp Score: 3.9
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.5
NVD Vector: 🔍

CVSSv2infoedit

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VulDB Base Score: 🔍
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Exploitinginfoedit

Class: Denial of service
CWE: CWE-476
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 118324
Nessus Name: Ubuntu 18.10 : net-snmp vulnerability (USN-3792-3)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfoedit

Threat: 🔍
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Countermeasuresinfoedit

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Upgrade: net-snmp 5.8

Timelineinfoedit

10/08/2018 🔍
10/08/2018 +0 days 🔍
10/08/2018 +0 days 🔍
10/08/2018 +0 days 🔍
10/09/2018 +1 days 🔍
10/22/2018 +13 days 🔍
10/23/2018 +1 days 🔍
03/31/2020 +525 days 🔍

Sourcesinfoedit

Advisory: dumpco.re
Status: Not defined
Confirmation: 🔍

CVE: CVE-2018-18065 (🔍)
OVAL: 🔍
scip Labs: https://www.scip.ch/en/?labs.20161013
See also: 🔍

Entryinfoedit

Created: 10/09/2018 08:14 AM
Updated: 03/31/2020 04:55 PM
Changes: (6) vulnerability_discoverydate advisory_confirm_url exploit_availability exploit_publicity exploit_url countermeasure_date
Complete: 🔍

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