CVE-2022-37451

Exim before 4.96 has an invalid free in pam_converse in auths/call_pam.c because store_free is not used after store_malloc.

CVSS v3 7.5 HIGH

7.5^/10

CVSS v3 : HIGH

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://cwe.mitre.org/data/definitions/762.html	Third Party Advisory
https://github.com/Exim/exim/commit/51be321b27825c01829dffd90f11bfff256f7e42	Patch Third Party Advisory
https://github.com/Exim/exim/compare/exim-4.95...exim-4.96	Release Notes Third Party Advisory
https://github.com/Exim/exim/wiki/EximSecurity	Release Notes Third Party Advisory
https://github.com/ivd38/exim_invalid_free	Exploit Patch Third Party Advisory
https://lists.exim.org/lurker/message/20220625.141825.d6de6074.en.html	Mailing List Release Notes Vendor Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LETR5CVDPFOFQHXCJP6NFLG52JZHQYDY/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XSWDF4QEXD4TDWQLYQOWCHBJKTDQR4Z7/
https://www.exim.org/static/doc/security/	Vendor Advisory
https://www.openwall.com/lists/oss-security/2022/08/06/1	Mailing List Third Party Advisory

Configurations

Configuration 1 (hide)

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

Configuration 2 (hide)

OR	cpe:2.3:o:fedoraproject:fedora:35:::::::*
	cpe:2.3:o:fedoraproject:fedora:36:::::::*

History

No history.

Information

Published : 2022-08-06 18:15

Updated : 2023-11-07 03:49

NVD link : CVE-2022-37451

Mitre link : CVE-2022-37451

CVE.ORG link : CVE-2022-37451

JSON object : View

Products Affected

exim

exim

fedoraproject

fedora

CWE

CWE-763

Release of Invalid Pointer or Reference

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