Frrouting frr-bgpd 8.3.0 BGP Open Packet peek_for_as4_capability assertion

CVSS Meta Temp Score
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CTI Interest Score
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3.2$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, has been found in Frrouting frr-bgpd 8.3.0. The affected element is the function peek_for_as4_capability of the component BGP Open Packet Handler. The manipulation leads to assertion. This vulnerability is listed as CVE-2022-36440. In addition, an exploit is available.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in Frrouting frr-bgpd 8.3.0. This issue affects the function peek_for_as4_capability of the component BGP Open Packet Handler. The manipulation with an unknown input leads to a assertion vulnerability. Using CWE to declare the problem leads to CWE-617. The product contains an assert() or similar statement that can be triggered by an attacker, which leads to an application exit or other behavior that is more severe than necessary. Impacted is availability. The summary by CVE is:

A reachable assertion was found in Frrouting frr-bgpd 8.3.0 in the peek_for_as4_capability function. Attackers can maliciously construct BGP open packets and send them to BGP peers running frr-bgpd, resulting in DoS.

The weakness was presented 04/04/2023. The advisory is shared at github.com. The identification of this vulnerability is CVE-2022-36440 since 07/25/2022. Technical details as well as a public exploit are known.

The exploit is available at github.com. It is declared as proof-of-concept. The vulnerability scanner Nessus provides a plugin with the ID 352219 (AlmaLinux 9.2 [TuxCare] Security Update: frr / frr-selinux Multiple Vulnerabilities (ALMALINUX9.2:CLSA-2025:1762363302)), which helps to determine the existence of the flaw in a target environment.

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 vulnerability database at Tenable (352219). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.5
VulDB Meta Temp Score: 3.2

VulDB Base Score: 3.5
VulDB Temp Score: 3.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

Exploitinginfo

Class: Assertion
CWE: CWE-617
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Partially

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

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 352219
Nessus Name: AlmaLinux 9.2 [TuxCare] Security Update: frr / frr-selinux Multiple Vulnerabilities (ALMALINUX9.2:CLSA-2025:1762363302)

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

07/25/2022 🔍
04/04/2023 +253 days 🔍
04/04/2023 +0 days 🔍
10/01/2026 +1276 days 🔍

Sourcesinfo

Advisory: github.com
Status: Not defined

CVE: CVE-2022-36440 (🔍)
GCVE (CVE): GCVE-0-2022-36440
GCVE (VulDB): GCVE-100-224813
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 04/04/2023 09:22
Updated: 10/01/2026 04:28
Changes: 04/04/2023 09:22 (41), 10/01/2026 04:28 (18)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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