CVE-2024-31951: Buffer Overflow

Published Apr 7, 2024
·
Updated

In the Opaque LSA Extended Link parser in FRRouting (FRR) through 9.1 there can be a buffer overflow and daemon crash in ospfteparseextlink for OSPF LSA packets during an attempt to read Segment Routing Adjacency SID subTLVs (lengths are not validated).

Other sources

In the Opaque LSA Extended Link parser in FRRouting (FRR) through 9.1, there can be a buffer overflow and daemon crash in ospfteparseextlink for OSPF LSA packets during an attempt to read Segment Routing Adjacency SID subTLVs (lengths are not validated).

— Launchpad

Affected Software

7 affected componentsFixes available
Frrouting FRRouting<=9.1
Microsoft cbl2 frr 8.5.5-1<8.5.5-1
8.5.5-1
Microsoft cbl2 frr 8.5.3-6<8.5.5-1
8.5.5-1
debian/frr<8.4.4-1.1~deb12u2
8.4.4-1.1~deb12u2
debian/frr<10.3-3+deb13u1
10.3-3+deb13u1
debian/frr<10.0.1-0.1
10.0.1-0.1
debian/frr
8.4.4-1.1~deb12u210.3-3+deb13u110.7.1-7

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 8.5.5-1
  2. Upgrade

    Upgrade debian/frr to a version that resolves this vulnerability.

    Fixed in 8.4.4-1.1~deb12u2
  3. Upgrade

    Upgrade debian/frr to a version that resolves this vulnerability.

    Fixed in 10.3-3+deb13u1
  4. Upgrade

    Upgrade debian/frr to a version that resolves this vulnerability.

    Fixed in 10.0.1-0.1
  5. Upgrade

    Upgrade debian/frr to a version that resolves this vulnerability.

    Fixed in 8.4.4-1.1~deb12u2Fixed in 10.3-3+deb13u1Fixed in 10.7.1-7

Event History

Apr 7, 2024
CVE Published
via MITRE·12:00 AM
Data Sourced
via MITRE·12:00 AM
Description
Data Sourced
via NVD·09:15 PM
DescriptionSeverityWeakness
Data Sourced
via OSV·09:15 PM
DescriptionSeverityAffected Software
Sep 11, 2024
Data Sourced
via Microsoft·07:00 AM
DescriptionSeverityWeakness
Data Sourced
via Microsoft·07:00 AM
Affected Software

Parent advisories

This vulnerability appears in the following advisories.

Frequently Asked Questions

1

What is the severity of CVE-2024-31951?

CVE-2024-31951 has been categorized as a critical vulnerability due to the potential for buffer overflow and daemon crashes.

2

How do I fix CVE-2024-31951?

To mitigate CVE-2024-31951, you should upgrade to versions 7.5.1-1.1+deb11u2, 7.5.1-1.1+deb11u4, or 10.2.1-2 of the frr package.

3

What systems are affected by CVE-2024-31951?

CVE-2024-31951 affects versions of the frr package up to and including 8.4.4-1.1~deb12u1 on Debian-based systems.

4

What types of attacks does CVE-2024-31951 enable?

CVE-2024-31951 enables attackers to exploit buffer overflow vulnerabilities, potentially leading to remote crashes of the daemon.

5

Is CVE-2024-31951 specific to any protocol?

Yes, CVE-2024-31951 specifically affects the OSPF protocol implementation within the FRRouting software.

Company

Resources

Contact

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