CVE-2022-37452

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.

CVSS v3.0 9.8 CRITICAL

9.8^/10

CVSS v3.0 : CRITICAL

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://www.exim.org/static/doc/security/	Vendor Advisory
https://github.com/ivd38/exim_overflow	Exploit Patch Third Party Advisory
https://www.openwall.com/lists/oss-security/2022/08/06/8	Mailing List Third Party Advisory
https://github.com/Exim/exim/commit/d4bc023436e4cce7c23c5f8bb5199e178b4cc743	Patch Third Party Advisory
https://github.com/Exim/exim/wiki/EximSecurity	Release Notes Third Party Advisory
https://github.com/Exim/exim/compare/exim-4.94...exim-4.95	Patch Release Notes Third Party Advisory
https://lists.debian.org/debian-lts-announce/2022/08/msg00014.html	Mailing List Third Party Advisory

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Configurations

Configuration 1 (hide)

cpe:2.3:a:exim:exim:*:*:*:*:*:*:*:*

Configuration 2 (hide)

cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*

Information

Published : 2022-08-07 11:15

Updated : 2022-10-28 05:52

NVD link : CVE-2022-37452

Mitre link : CVE-2022-37452

JSON object : View

CWE

CWE-787

Out-of-bounds Write

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Products Affected

debian

debian_linux

exim

exim

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