7.5

CVE-2022-37451

Exploit
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.
Data is provided by the National Vulnerability Database (NVD)
Exim ≫ Exim Version < 4.96
Fedoraproject ≫ Fedora Version35
Fedoraproject ≫ Fedora Version36
Zu dieser CVE wurde keine CISA KEV oder CERT.AT-Warnung gefunden.
EPSS Metriken
Type Source Score Percentile
EPSS FIRST.org 4.86% 0.89
CVSS Metriken
Source Base Score Exploit Score Impact Score Vector string
nvd@nist.gov 7.5 3.9 3.6
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE-763 Release of Invalid Pointer or Reference

The product attempts to return a memory resource to the system, but it calls the wrong release function or calls the appropriate release function incorrectly.

https://github.com/Exim/exim/wiki/EximSecurity
Third Party Advisory
Release Notes
https://github.com/ivd38/exim_invalid_free
Patch
Third Party Advisory
Exploit