1202204 – (CVE-2022-37451) VUL-0: CVE-2022-37451: exim: invalid free

Bug 1202204 (CVE-2022-37451) - VUL-0: CVE-2022-37451: exim: invalid free

Summary: VUL-0: CVE-2022-37451: exim: invalid free

Status:	RESOLVED FIXED

Alias:	CVE-2022-37451

Product:	openSUSE Distribution
Classification:	openSUSE
Component:	Security (show other bugs)
Version:	Leap 15.4
Hardware:	Other Other

Priority:	P3 - Medium Severity: Minor (vote)
Target Milestone:	---
Assignee:	Peter Wullinger
QA Contact:	Security Team bot

URL:	https://smash.suse.de/issue/339146/
Whiteboard:
Keywords:

Depends on:
Blocks:

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Reported:	2022-08-08 05:57 UTC by Robert Frohl
Modified:	2023-10-04 06:30 UTC (History)
CC List:	1 user (show)

See Also:
Found By:	Security Response Team
Services Priority:
Business Priority:
Blocker:	---
Marketing QA Status:	---
IT Deployment:	---

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Description Robert Frohl 2022-08-08 05:57:09 UTC

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.

References:
http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2022-37451
https://www.openwall.com/lists/oss-security/2022/08/06/1
https://github.com/ivd38/exim_invalid_free
https://github.com/Exim/exim/compare/exim-4.95...exim-4.96
http://www.cvedetails.com/cve/CVE-2022-37451/
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-37451
https://github.com/Exim/exim/wiki/EximSecurity
https://github.com/Exim/exim/commit/51be321b27825c01829dffd90f11bfff256f7e42
https://cwe.mitre.org/data/definitions/762.html
https://lists.exim.org/lurker/message/20220625.141825.d6de6074.en.html
https://www.exim.org/static/doc/security/

Comment 1 Robert Frohl 2022-08-08 06:00:17 UTC

already fixed in Factory, still open for openSUSE:Backports:*:Update

Comment 2 OBSbugzilla Bot 2022-08-08 08:40:08 UTC

This is an autogenerated message for OBS integration:
This bug (1202204) was mentioned in
https://build.opensuse.org/request/show/993692 Backports:SLE-12-SP4+Backports:SLE-15-SP3+Backports:SLE-15-SP4 / exim

Comment 3 Peter Wullinger 2023-10-04 06:30:37 UTC

fix via update https://build.opensuse.org/request/show/993692