CVE-2023-41909: Null Pointer Dereference

Published Sep 5, 2023
·
Updated

An issue was discovered in FRRouting FRR through 9.0. bgpnlriparseflowspec in bgpd/bgpflowspec.c processes malformed requests with no attributes, leading to a NULL pointer dereference.

Affected Software

11 affected componentsFixes available
debian/frr<=6.0.2-2+deb10u1, <=7.5.1-1.1+deb11u2
7.5.1-1.1+deb10u18.4.4-1.1~deb12u19.1-0.1
ubuntu/frr<7.2.1-1ubuntu0.2+
7.2.1-1ubuntu0.2+
ubuntu/frr<8.1-1ubuntu1.6
8.1-1ubuntu1.6
ubuntu/frr<8.4.2-1ubuntu1.4
8.4.2-1ubuntu1.4
ubuntu/frr<8.4.4-1
8.4.4-1
redhat/frr<9.0
9.0
Frrouting FRRouting<=9.0
Debian Debian Linux=10.0
Fedoraproject Fedora=37
Fedoraproject Fedora=38
Fedoraproject Fedora=39

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

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

    Fixed in 7.5.1-1.1+deb10u1Fixed in 8.4.4-1.1~deb12u1Fixed in 9.1-0.1
  2. Upgrade

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

    Fixed in 7.2.1-1ubuntu0.2+
  3. Upgrade

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

    Fixed in 8.1-1ubuntu1.6
  4. Upgrade

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

    Fixed in 8.4.2-1ubuntu1.4
  5. Upgrade

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

    Fixed in 8.4.4-1
  6. Upgrade

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

    Fixed in 9.0
  7. Upgrade

    Upgrade FRRouting FRR to a version that resolves this vulnerability.

    Patch cfd04dcb3e689754a72507d086ba3b9709fc5ed8

Event History

Sep 5, 2023
CVE Published
via MITRE·12:00 AM
Data Sourced
via MITRE·12:00 AM
Description
Data Sourced
via NVD·07:15 AM
RemedyDescriptionSeverityWeaknessAffected Software

Parent advisories

This vulnerability appears in the following advisories.

Contact

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