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Test ID:1.3.6.1.4.1.25623.1.0.150758
Category:Denial of Service
Title:Exim < 4.96 Invalid Free Vulnerability
Summary:Exim is prone to an invalid free vulnerability.
Description:Summary:
Exim is prone to an invalid free vulnerability.

Vulnerability Insight:
Exim has an invalid free in pam_converse in auths/call_pam.c
because store_free is not used after store_malloc.

Affected Software/OS:
Exim version 4.95 and prior.

Solution:
Update to version 4.96 or later.

CVSS Score:
7.8

CVSS Vector:
AV:N/AC:L/Au:N/C:N/I:N/A:C

Cross-Ref: Common Vulnerability Exposure (CVE) ID: CVE-2022-37451
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/LETR5CVDPFOFQHXCJP6NFLG52JZHQYDY/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/XSWDF4QEXD4TDWQLYQOWCHBJKTDQR4Z7/
https://cwe.mitre.org/data/definitions/762.html
https://github.com/Exim/exim/commit/51be321b27825c01829dffd90f11bfff256f7e42
https://github.com/Exim/exim/compare/exim-4.95...exim-4.96
https://github.com/Exim/exim/wiki/EximSecurity
https://github.com/ivd38/exim_invalid_free
https://lists.exim.org/lurker/message/20220625.141825.d6de6074.en.html
https://www.exim.org/static/doc/security/
https://www.openwall.com/lists/oss-security/2022/08/06/1
CopyrightCopyright (C) 2022 Greenbone AG

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