CVE-2022-37451
"Exim PAM Store Free Invalid Free"
Description
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.
INFO
Published Date :
Aug. 6, 2022, 6:15 p.m.
Last Modified :
Nov. 7, 2023, 3:49 a.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
3.6
Exploitability Score :
3.9
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2022-37451.
| URL | 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 |
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2022-37451 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2022-37451 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
CVE Modified by [email protected]
Nov. 07, 2023
Action Type Old Value New Value Added Reference MITRE https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LETR5CVDPFOFQHXCJP6NFLG52JZHQYDY/ [No types assigned] Added Reference MITRE https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XSWDF4QEXD4TDWQLYQOWCHBJKTDQR4Z7/ [No types assigned] Removed Reference MITRE https://lists.fedoraproject.org/archives/list/[email protected]/message/LETR5CVDPFOFQHXCJP6NFLG52JZHQYDY/ Removed Reference MITRE https://lists.fedoraproject.org/archives/list/[email protected]/message/XSWDF4QEXD4TDWQLYQOWCHBJKTDQR4Z7/ -
Modified Analysis by [email protected]
Sep. 29, 2022
Action Type Old Value New Value Changed Reference Type https://lists.fedoraproject.org/archives/list/[email protected]/message/LETR5CVDPFOFQHXCJP6NFLG52JZHQYDY/ No Types Assigned https://lists.fedoraproject.org/archives/list/[email protected]/message/LETR5CVDPFOFQHXCJP6NFLG52JZHQYDY/ Mailing List, Third Party Advisory Changed Reference Type https://lists.fedoraproject.org/archives/list/[email protected]/message/XSWDF4QEXD4TDWQLYQOWCHBJKTDQR4Z7/ No Types Assigned https://lists.fedoraproject.org/archives/list/[email protected]/message/XSWDF4QEXD4TDWQLYQOWCHBJKTDQR4Z7/ Mailing List, Third Party Advisory Added CPE Configuration OR *cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:* *cpe:2.3:o:fedoraproject:fedora:36:*:*:*:*:*:*:* -
CVE Modified by [email protected]
Sep. 08, 2022
Action Type Old Value New Value Added Reference https://lists.fedoraproject.org/archives/list/[email protected]/message/LETR5CVDPFOFQHXCJP6NFLG52JZHQYDY/ [No Types Assigned] Added Reference https://lists.fedoraproject.org/archives/list/[email protected]/message/XSWDF4QEXD4TDWQLYQOWCHBJKTDQR4Z7/ [No Types Assigned] -
Initial Analysis by [email protected]
Aug. 11, 2022
Action Type Old Value New Value Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Changed Reference Type https://cwe.mitre.org/data/definitions/762.html No Types Assigned https://cwe.mitre.org/data/definitions/762.html Third Party Advisory Changed Reference Type https://github.com/Exim/exim/commit/51be321b27825c01829dffd90f11bfff256f7e42 No Types Assigned https://github.com/Exim/exim/commit/51be321b27825c01829dffd90f11bfff256f7e42 Patch, Third Party Advisory Changed Reference Type https://github.com/Exim/exim/compare/exim-4.95...exim-4.96 No Types Assigned https://github.com/Exim/exim/compare/exim-4.95...exim-4.96 Release Notes, Third Party Advisory Changed Reference Type https://github.com/Exim/exim/wiki/EximSecurity No Types Assigned https://github.com/Exim/exim/wiki/EximSecurity Release Notes, Third Party Advisory Changed Reference Type https://github.com/ivd38/exim_invalid_free No Types Assigned https://github.com/ivd38/exim_invalid_free Exploit, Patch, Third Party Advisory Changed Reference Type https://lists.exim.org/lurker/message/20220625.141825.d6de6074.en.html No Types Assigned https://lists.exim.org/lurker/message/20220625.141825.d6de6074.en.html Mailing List, Release Notes, Vendor Advisory Changed Reference Type https://www.exim.org/static/doc/security/ No Types Assigned https://www.exim.org/static/doc/security/ Vendor Advisory Changed Reference Type https://www.openwall.com/lists/oss-security/2022/08/06/1 No Types Assigned https://www.openwall.com/lists/oss-security/2022/08/06/1 Mailing List, Third Party Advisory Added CWE NIST CWE-763 Added CPE Configuration OR *cpe:2.3:a:exim:exim:*:*:*:*:*:*:*:* versions up to (excluding) 4.96 -
CVE Modified by [email protected]
Aug. 06, 2022
Action Type Old Value New Value Added Reference https://github.com/Exim/exim/commit/51be321b27825c01829dffd90f11bfff256f7e42 [No Types Assigned]
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2022-37451 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2022-37451
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.37 }} 0.06%
score
0.72010
percentile