Quagga BGP Daemon up to 1.2.2 UPDATE Message double free

CVSS Meta Temp Score
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CTI Interest Score
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A vulnerability was found in Quagga BGP Daemon up to 1.2.2 (Network Routing Software). It has been classified as critical. Affected is an unknown code of the component UPDATE Message Handler. The manipulation with an unknown input leads to a double free vulnerability. CWE is classifying the issue as CWE-415. The product calls free() twice on the same memory address, potentially leading to modification of unexpected memory locations. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

The Quagga BGP daemon (bgpd) prior to version 1.2.3 can double-free memory when processing certain forms of UPDATE message, containing cluster-list and/or unknown attributes. A successful attack could cause a denial of service or potentially allow an attacker to execute arbitrary code.

The bug was discovered 02/15/2018. The weakness was released 02/19/2018 as confirmed advisory (CERT.org). The advisory is available at kb.cert.org. This vulnerability is traded as CVE-2018-5379 since 01/12/2018. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. The technical details are unknown and an exploit is not available.

The vulnerability scanner Nessus provides a plugin with the ID 106854 (Debian DSA-4115-1 : quagga - security update), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Debian Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 351179 (Amazon Linux Security Advisory for quagga: ALAS-2018-957).

Upgrading to version 1.2.3 eliminates this vulnerability. A possible mitigation has been published even before and not after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (106854).







CPE 2.3info

CPE 2.2info


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VulDB Meta Base Score: 8.2
VulDB Meta Temp Score: 8.1

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
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NVD Base Score: 9.8
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CNA Base Score: 7.5
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Class: Double free
CWE: CWE-415 / CWE-119

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

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Nessus ID: 106854
Nessus Name: Debian DSA-4115-1 : quagga - security update
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OpenVAS ID: 800219
OpenVAS Name: Debian Lts Announce DLA 1286-1 ([SECURITY] [DLA 1286-1] quagga security update)
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Threat Intelligenceinfo

Interest: 🔍
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Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: BGP Daemon 1.2.3


01/12/2018 🔍
02/15/2018 +34 days 🔍
02/15/2018 +0 days 🔍
02/15/2018 +0 days 🔍
02/16/2018 +1 days 🔍
02/19/2018 +3 days 🔍
02/19/2018 +0 days 🔍
02/20/2018 +1 days 🔍
02/08/2023 +1814 days 🔍


Advisory: RHSA-2018:0377
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2018-5379 (🔍)

SecurityFocus: 103105 - Quagga CVE-2018-5379 Remote Code Execution Vulnerability


Created: 02/20/2018 09:37 AM
Updated: 02/08/2023 02:02 PM
Changes: 02/20/2018 09:37 AM (77), 01/07/2020 08:09 AM (4), 02/04/2021 10:55 AM (2), 02/08/2023 01:57 PM (3), 02/08/2023 02:02 PM (11)
Complete: 🔍
Cache ID: 44:20B:40


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