Reachable Assertion Affecting frr package, versions <7.5.1-1.1+deb10u1


Severity

Recommended
0.0
high
0
10

Snyk's Security Team recommends NVD's CVSS assessment

    Threat Intelligence

    EPSS
    0.24% (65th percentile)

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  • Snyk ID SNYK-DEBIAN10-FRR-5417178
  • published 11 Apr 2023
  • disclosed 3 Apr 2023

How to fix?

Upgrade Debian:10 frr to version 7.5.1-1.1+deb10u1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream frr package and not the frr package as distributed by Debian. See How to fix? for Debian:10 relevant fixed versions and status.

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.

CVSS Scores

version 3.1
Expand this section

NVD

7.5 high
  • Attack Vector (AV)
    Network
  • Attack Complexity (AC)
    Low
  • Privileges Required (PR)
    None
  • User Interaction (UI)
    None
  • Scope (S)
    Unchanged
  • Confidentiality (C)
    None
  • Integrity (I)
    None
  • Availability (A)
    High
Expand this section

Red Hat

7.5 high