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USN-6807-1: FRR vulnerabilities

5 June 2024

FRR could be made to crash or run programs if it received specially crafted network traffic.

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Releases

Packages

  • frr - FRRouting suite of internet protocols

Details

It was discovered that FRR incorrectly handled certain network traffic.
A remote attacker could possibly use this issue to cause FRR to crash,
resulting in a denial of service. (CVE-2022-26126, CVE-2022-26127,
CVE-2022-26128, CVE-2022-26129, CVE-2022-37032, CVE-2022-37035,
CVE-2023-31490, CVE-2023-38406, CVE-2023-38407, CVE-2023-46752,
CVE-2023-46753, CVE-2023-47234, CVE-2023-47235, CVE-2024-31948)

Ben Cartwright-Cox discovered that FRR incorrectly handled certain
network traffic. A remote attacker could possibly use this issue to cause
FRR to crash, resulting in a denial of service. (CVE-2023-38802)

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Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.

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Update instructions

The problem can be corrected by updating your system to the following package versions:

Ubuntu 20.04

After a standard system update you need to restart FRR to make
all the necessary changes.

References

Related notices

  • USN-5685-1: frr, frr-doc, frr-rpki-rtrlib, frr-pythontools, frr-snmp
  • USN-6498-1: frr, frr-doc, frr-rpki-rtrlib, frr-pythontools, frr-snmp
  • USN-6482-1: quagga-core, quagga-ripd, quagga-doc, quagga-pimd, quagga-bgpd, quagga-ripngd, quagga, quagga-isisd, quagga-ospf6d, quagga-ospfd
  • USN-6481-1: frr, frr-doc, frr-rpki-rtrlib, frr-pythontools, frr-snmp
  • USN-6794-1: frr, frr-doc, frr-rpki-rtrlib, frr-pythontools, frr-snmp
  • USN-6136-1: frr, frr-doc, frr-rpki-rtrlib, frr-pythontools, frr-snmp
  • USN-6323-1: frr, frr-doc, frr-rpki-rtrlib, frr-pythontools, frr-snmp

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Further reading