Quagga up to 0.99.23.0 on Debian IPv6 Neighbor Discovery Message memory corruption

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7.9$0-$5k0.00

A vulnerability was found in Quagga up to 0.99.23.0 on Debian (Network Routing Software). It has been declared as critical. Affected by this vulnerability is an unknown function of the component IPv6 Neighbor Discovery Message Handler. 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 confidentiality, integrity, and availability.

The weakness was presented 10/18/2016 by Florian Weimer as DSA-3695-1 as confirmed mailinglist post (Bugtraq). It is possible to read the advisory at seclists.org. This vulnerability is known as CVE-2016-1245. The exploitation appears to be easy. The attack needs to approached within the local network. The exploitation doesn't need any form of authentication. The technical details are unknown and an exploit is not publicly available. The advisory points out:

It was discovered that the zebra daemon in the Quagga routing suite suffered from a stack-based buffer overflow when processing IPv6 Neighbor Discovery messages.

The vulnerability scanner Nessus provides a plugin with the ID 95010 (Fedora 25 : quagga (2016-8acc6b66f1)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Fedora Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 236308 (Red Hat Update for quagga Security (RHSA-2017:0794)).

Upgrading to version 0.99.23.1 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (95010).

Productinfo

Type

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

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CVSSv3info

VulDB Meta Base Score: 8.0
VulDB Meta Temp Score: 7.9

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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NVD Base Score: 🔍

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
ATT&CK: Unknown

Local: No
Remote: Partially

Availability: 🔍
Status: Not defined

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EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 95010
Nessus Name: Fedora 25 : quagga (2016-8acc6b66f1)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 703695
OpenVAS Name: Debian Security Advisory DSA 3695-1 (quagga - security update)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Quagga 0.99.23.1
Patch: github.com

Timelineinfo

12/27/2015 🔍
10/18/2016 +296 days 🔍
10/19/2016 +1 days 🔍
02/22/2017 +126 days 🔍
09/26/2022 +2042 days 🔍

Sourcesinfo

Advisory: DSA-3695-1
Researcher: Florian Weimer
Status: Confirmed

CVE: CVE-2016-1245 (🔍)
OVAL: 🔍

SecurityFocus: 93775

Entryinfo

Created: 10/19/2016 09:15
Updated: 09/26/2022 12:16
Changes: 10/19/2016 09:15 (44), 04/19/2017 10:32 (20), 09/26/2022 12:02 (4), 09/26/2022 12:09 (11), 09/26/2022 12:16 (1)
Complete: 🔍

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