Quagga BGP Daemon up to 1.2.2 BGP OPEN Message bgp_packet.c bgp_capability_msg_parse resource consumption

CVSS Meta Temp Score
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6.4$0-$5k0.00

Summaryinfo

A vulnerability was found in Quagga BGP Daemon up to 1.2.2. It has been declared as problematic. This affects the function bgp_capability_msg_parse of the file bgp_packet.c of the component BGP OPEN Message Handler. Such manipulation leads to resource consumption. This vulnerability is listed as CVE-2018-5381. The attack may be performed from remote. There is no available exploit. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in Quagga BGP Daemon up to 1.2.2 (Network Routing Software). It has been rated as problematic. Affected by this issue is the function bgp_capability_msg_parse of the file bgp_packet.c of the component BGP OPEN Message Handler. The manipulation with an unknown input leads to a resource consumption vulnerability. Using CWE to declare the problem leads to CWE-400. The product does not properly control the allocation and maintenance of a limited resource, thereby enabling an actor to influence the amount of resources consumed, eventually leading to the exhaustion of available resources. Impacted is availability. CVE summarizes:

The Quagga BGP daemon (bgpd) prior to version 1.2.3 has a bug in its parsing of "Capabilities" in BGP OPEN messages, in the bgp_packet.c:bgp_capability_msg_parse function. The parser can enter an infinite loop on invalid capabilities if a Multi-Protocol capability does not have a recognized AFI/SAFI, causing a denial of service.

The bug was discovered 02/15/2018. The weakness was presented 02/19/2018 as confirmed advisory (CERT.org). The advisory is shared for download at kb.cert.org. This vulnerability is handled as CVE-2018-5381 since 01/12/2018. 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. The MITRE ATT&CK project declares the attack technique as T1499.

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 databases at Tenable (106854) and SecurityFocus (BID 103105†). See VDB-108778, VDB-113585, VDB-113586 and VDB-113587 for similar entries. Once again VulDB remains the best source for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.4

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CNA Base Score: 6.5
CNA Vector (CERT/CC): 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Resource consumption
CWE: CWE-400 / CWE-404
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: 106854
Nessus Name: Debian DSA-4115-1 : quagga - security update
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 800219
OpenVAS Name: Debian Lts Announce DLA 1286-1 ([SECURITY] [DLA 1286-1] quagga security update)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: BGP Daemon 1.2.3

Timelineinfo

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 🔍
01/21/2025 +2527 days 🔍

Sourcesinfo

Advisory: ssa-451142
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2018-5381 (🔍)
GCVE (CVE): GCVE-0-2018-5381
GCVE (VulDB): GCVE-100-113588

OVAL: 🔍

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

See also: 🔍

Entryinfo

Created: 02/20/2018 09:38
Updated: 01/21/2025 04:30
Changes: 02/20/2018 09:38 (79), 01/07/2020 08:14 (4), 02/04/2021 11:00 (3), 02/08/2023 14:13 (3), 02/08/2023 14:17 (11), 01/21/2025 04:30 (15)
Complete: 🔍
Cache ID: 216::103

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