EPSS
0.043%
Advisory Published
Updated

CVE-2024-27913

First published: Wed Feb 28 2024(Updated: )

ospf_te_parse_te in ospfd/ospf_te.c in FRRouting (FRR) through 9.1 allows remote attackers to cause a denial of service (ospfd daemon crash) via a malformed OSPF LSA packet, because of an attempted access to a missing attribute field.

Credit: cve@mitre.org cve@mitre.org

Affected SoftwareAffected VersionHow to fix
debian/frr<=6.0.2-2+deb10u1<=7.5.1-1.1+deb10u1<=7.5.1-1.1+deb11u2<=8.4.4-1.1~deb12u1
9.1-0.1
ubuntu/frr<8.1-1ubuntu1.9
8.1-1ubuntu1.9
ubuntu/frr<8.4.4-1.1ubuntu1.3
8.4.4-1.1ubuntu1.3
Frrouting bgpd<9.0

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Parent vulnerabilities

(Appears in the following advisories)

Frequently Asked Questions

  • What is the severity of CVE-2024-27913?

    CVE-2024-27913 has been classified as a high severity vulnerability that can lead to a denial of service by crashing the ospfd daemon.

  • How do I fix CVE-2024-27913?

    To fix CVE-2024-27913, upgrade to the patched versions of FRRouting which include 9.1-0.1 or 8.1-1ubuntu1.9 for Ubuntu.

  • What causes the denial of service in CVE-2024-27913?

    The denial of service in CVE-2024-27913 is caused by handling a malformed OSPF LSA packet that tries to access a missing attribute field.

  • Which versions of FRRouting are affected by CVE-2024-27913?

    CVE-2024-27913 affects FRRouting versions up to and including 9.0.

  • Is CVE-2024-27913 remotely exploitable?

    Yes, CVE-2024-27913 is remotely exploitable, allowing attackers to crash the ospfd daemon without any prior authentication.

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