Use-after-free in frr - CVE-2022-37035
Published: September 13, 2022
Vulnerability identifier: #VU67279
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2022-37035
CWE-ID: CWE-416
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: frrouting.org
Affected software:
frr
frr
Detailed vulnerability description
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a use-after-free error when processing BGP packets within the bgp_notify_send_with_data() and bgp_process_packet() function in bgp_packet.c. A remote attacker can send specially crafted BGP packets to the affected daemon, trigger a use-after-free error and execute arbitrary code on the system.
Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.
How to mitigate CVE-2022-37035
Install updates from vendor's website.