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CVE-2022-37035

Status Candidate

Overview

An issue was discovered in bgpd in FRRouting (FRR) 8.3. In bgp_notify_send_with_data() and bgp_process_packet() in bgp_packet.c, there is a possible use-after-free due to a race condition. This could lead to Remote Code Execution or Information Disclosure by sending crafted BGP packets. User interaction is not needed for exploitation.

Related Files

Ubuntu Security Notice USN-5685-1
Posted Oct 18, 2022
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 5685-1 - It was discovered that FRR incorrectly handled parsing certain BGP messages. A remote attacker could possibly use this issue to cause FRR to crash, resulting in a denial of service. It was discovered that FRR incorrectly handled processing certain BGP messages. A remote attacker could possibly use this issue to cause FRR to crash, resulting in a denial of service, obtain sensitive information, or execute arbitrary code.

tags | advisory, remote, denial of service, arbitrary
systems | linux, ubuntu
advisories | CVE-2022-37032, CVE-2022-37035
SHA-256 | 359dcaf007c37be43388aba703a9d163ec048045df6137904a20799a37762a81
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