CVE-2022-37451

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. 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 : 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://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
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

21 Nov 2024, 07:15

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

08 Sep 2022, 13:15

Type Values Removed Values Added
References
  • (FEDORA) https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/LETR5CVDPFOFQHXCJP6NFLG52JZHQYDY/ -
  • (FEDORA) https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/XSWDF4QEXD4TDWQLYQOWCHBJKTDQR4Z7/ -

11 Aug 2022, 00:13

Type Values Removed Values Added
CVSS v2 : unknown
v3 : unknown 		v2 : unknown
v3 : 7.5
CPE cpe:2.3:a:exim:exim:*:*:*:*:*:*:*:*
CWE CWE-763
References (MISC) https://github.com/Exim/exim/commit/51be321b27825c01829dffd90f11bfff256f7e42 - (MISC) https://github.com/Exim/exim/commit/51be321b27825c01829dffd90f11bfff256f7e42 - Patch, Third Party Advisory
References (MISC) https://github.com/Exim/exim/wiki/EximSecurity - (MISC) https://github.com/Exim/exim/wiki/EximSecurity - Release Notes, Third Party Advisory
References (MISC) https://cwe.mitre.org/data/definitions/762.html - (MISC) https://cwe.mitre.org/data/definitions/762.html - Third Party Advisory
References (MISC) https://github.com/Exim/exim/compare/exim-4.95...exim-4.96 - (MISC) https://github.com/Exim/exim/compare/exim-4.95...exim-4.96 - Release Notes, Third Party Advisory
References (MISC) https://lists.exim.org/lurker/message/20220625.141825.d6de6074.en.html - (MISC) https://lists.exim.org/lurker/message/20220625.141825.d6de6074.en.html - Mailing List, Release Notes, Vendor Advisory
References (MISC) https://www.exim.org/static/doc/security/ - (MISC) https://www.exim.org/static/doc/security/ - Vendor Advisory
References (MISC) https://github.com/ivd38/exim_invalid_free - (MISC) https://github.com/ivd38/exim_invalid_free - Exploit, Patch, Third Party Advisory
References (MISC) https://www.openwall.com/lists/oss-security/2022/08/06/1 - (MISC) https://www.openwall.com/lists/oss-security/2022/08/06/1 - Mailing List, Third Party Advisory

06 Aug 2022, 19:15

Type Values Removed Values Added
New CVE
Information

Published : 2022-08-06 18:15

Updated : 2024-11-21 07:15

NVD link : CVE-2022-37451

Mitre link : CVE-2022-37451

CVE.ORG link : CVE-2022-37451

JSON object : View

Products Affected

fedoraproject

  • fedora

exim

  • exim
CWE
CWE-763

Release of Invalid Pointer or Reference