Vulnerabilities > CVE-2022-37452 - Out-of-bounds Write vulnerability in multiple products
Attack vector
NETWORK Attack complexity
LOW Privileges required
NONE Confidentiality impact
HIGH Integrity impact
HIGH Availability impact
HIGH Summary
Exim before 4.95 has a heap-based buffer overflow for the alias list in host_name_lookup in host.c when sender_host_name is set.
Vulnerable Configurations
Common Weakness Enumeration (CWE)
References
- https://www.exim.org/static/doc/security/
- https://github.com/ivd38/exim_overflow
- https://www.openwall.com/lists/oss-security/2022/08/06/8
- https://github.com/Exim/exim/commit/d4bc023436e4cce7c23c5f8bb5199e178b4cc743
- https://github.com/Exim/exim/wiki/EximSecurity
- https://github.com/Exim/exim/compare/exim-4.94...exim-4.95
- https://lists.debian.org/debian-lts-announce/2022/08/msg00014.html