CVE Vulnerability

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.

7.5 /10

CVSS v3.0 : HIGH

V3 Legend

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

Configuration 1

cpe:2.3:a:exim:exim:*:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:36:*:*:*:*:*:*:*
Information

Published : 2022-08-06 06:15

Updated : 2022-09-29 03:41

NVD link : CVE-2022-37451

Mitre link : CVE-2022-37451

Products Affected
No products.
CWE
CWE-763