Ubuntu update for frr



Risk Medium
Patch available YES
Number of vulnerabilities 4
CVE-ID CVE-2024-31950
CVE-2024-31948
CVE-2024-34088
CVE-2024-31951
CWE-ID CWE-119
CWE-476
Exploitation vector Network
Public exploit N/A
Vulnerable software
 Ubuntu
Operating systems & Components / Operating system

frr (Ubuntu package)
Operating systems & Components / Operating system package or component

Vendor Canonical Ltd.

Security Bulletin

This security bulletin contains information about 4 vulnerabilities.

1) Buffer overflow

EUVDB-ID: #VU90720

Risk: Medium

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2024-31950

CWE-ID: CWE-119 - Memory corruption

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a boundary error in ospf_te_parse_ri when parsing OSPF LSA packets. A remote attacker can send specially crafted packets to the system, trigger memory corruption and perform a denial of service (DoS) attack.

Mitigation

Update the affected package frr to the latest version.

Vulnerable software versions

Ubuntu: 22.04 - 24.04

frr (Ubuntu package): before 8.1-1ubuntu1.10

CPE2.3 External links

https://ubuntu.com/security/notices/USN-6794-1


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

2) Buffer overflow

EUVDB-ID: #VU90721

Risk: Medium

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2024-31948

CWE-ID: CWE-119 - Memory corruption

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a boundary error when parsing Prefix SID attribute in a BGP UPDATE packet. A remote attacker can send specially crafted packets to the application, trigger memory corruption and crash the bgpd daemon.

Mitigation

Update the affected package frr to the latest version.

Vulnerable software versions

Ubuntu: 22.04 - 24.04

frr (Ubuntu package): before 8.1-1ubuntu1.10

CPE2.3 External links

https://ubuntu.com/security/notices/USN-6794-1


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

3) NULL pointer dereference

EUVDB-ID: #VU90722

Risk: Medium

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2024-34088

CWE-ID: CWE-476 - NULL Pointer Dereference

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a NULL pointer dereference error within the get_edge() function in ospf_te.c. A remote attacker can send specially crafted packets to the daemon and perform a denial of service (DoS) attack.

Mitigation

Update the affected package frr to the latest version.

Vulnerable software versions

Ubuntu: 22.04 - 24.04

frr (Ubuntu package): before 8.1-1ubuntu1.10

CPE2.3 External links

https://ubuntu.com/security/notices/USN-6794-1


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

4) Buffer overflow

EUVDB-ID: #VU90723

Risk: Medium

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2024-31951

CWE-ID: CWE-119 - Memory corruption

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a boundary error in ospf_te_parse_ext_link when parsing OSPF LSA packets. A remote attacker can send specially crafted packets to the daemon, trigger memory corruption and perform a denial of service (DoS) attack.

Mitigation

Update the affected package frr to the latest version.

Vulnerable software versions

Ubuntu: 22.04 - 24.04

frr (Ubuntu package): before 8.1-1ubuntu1.10

CPE2.3 External links

https://ubuntu.com/security/notices/USN-6794-1


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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