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CVE-2022-37452

Good to know:

Date: August 7, 2022

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.

Language: C

Severity Score

9.8

Related Resources (11)

Url: https://github.com/Exim/exim/compare/exim-4.94...exim-4.95

Url: https://github.com/Exim/exim/wiki/EximSecurity

Url: https://github.com/Exim/exim/commit/d4bc023436e4cce7c23c5f8bb5199e178b4cc743

Url: https://people.canonical.com/~ubuntu-security/cve/CVE-2022-37452

Url: https://lists.debian.org/debian-lts-announce/2022/08/msg00014.html

Url: https://security-tracker.debian.org/tracker/CVE-2022-37452

Url: https://www.openwall.com/lists/oss-security/2022/08/06/8

Url: https://nvd.nist.gov/vuln/detail/CVE-2022-37452

Url: https://www.exim.org/static/doc/security/

Url: https://github.com/ivd38/exim_overflow

Url: https://www.mend.io/vulnerability-database/CVE-2022-37452

Severity Score

9.8

Weakness Type (CWE)

Out-of-bounds Write

CWE-787

Top Fix

Upgrade Version

Upgrade to version exim-4.95

CVSS v3.1

Base Score:	9.8
Attack Vector (AV):	NETWORK
Attack Complexity (AC):	LOW
Privileges Required (PR):	NONE
User Interaction (UI):	NONE
Scope (S):	UNCHANGED
Confidentiality (C):	HIGH
Integrity (I):	HIGH
Availability (A):	HIGH

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