CVE-2022-37452
Ubuntu Security Notice USN-5574-1
Severity Score
9.8
*CVSS v3.1
Exploit Likelihood
*EPSS
Affected Versions
*CPE
Public Exploits
1
*Multiple Sources
Exploited in Wild
-
*KEV
Decision
-
*SSVC
Descriptions
Exim before 4.95 has a heap-based buffer overflow for the alias list in host_name_lookup in host.c when sender_host_name is set.
Exim versiones anteriores a 4.95, presenta un desbordamiento de búfer en la región heap de la memoria para la lista de alias en la función host_name_lookup en el archivo host.c cuando sender_host_name está establecido
It was discovered that Exim incorrectly handled certain inputs. An attacker could possibly use this issue to cause a crash or execute arbitrary code.
*Credits:
N/A
CVSS Scores
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Attack Vector
Attack Complexity
Authentication
Confidentiality
Integrity
Availability
* Common Vulnerability Scoring System
SSVC
- Decision:-
Exploitation
Automatable
Tech. Impact
* Organization's Worst-case Scenario
Timeline
- 2022-08-07 CVE Reserved
- 2022-08-07 CVE Published
- 2024-08-03 CVE Updated
- 2024-08-03 First Exploit
- 2025-04-09 EPSS Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
CWE
- CWE-787: Out-of-bounds Write
CAPEC
References (7)
| URL | Tag | Source |
|---|---|---|
| https://github.com/Exim/exim/wiki/EximSecurity | Release Notes | |
| https://lists.debian.org/debian-lts-announce/2022/08/msg00014.html | Mailing List |
|
| https://www.openwall.com/lists/oss-security/2022/08/06/8 | Mailing List |
|
| URL | Date | SRC |
|---|---|---|
| https://github.com/ivd38/exim_overflow | 2024-08-03 |
| URL | Date | SRC |
|---|---|---|
| https://github.com/Exim/exim/commit/d4bc023436e4cce7c23c5f8bb5199e178b4cc743 | 2022-10-28 | |
| https://github.com/Exim/exim/compare/exim-4.94...exim-4.95 | 2022-10-28 |
| URL | Date | SRC |
|---|---|---|
| https://www.exim.org/static/doc/security | 2022-10-28 |
Affected Vendors, Products, and Versions
| Vendor | Product | Version | Other | Status | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Vendor | Product | Version | Other | Status | <-- --> | Vendor | Product | Version | Other | Status |
| Exim Search vendor "Exim" | Exim Search vendor "Exim" for product "Exim" | < 4.95 Search vendor "Exim" for product "Exim" and version " < 4.95" | - |
Affected
| ||||||
| Debian Search vendor "Debian" | Debian Linux Search vendor "Debian" for product "Debian Linux" | 10.0 Search vendor "Debian" for product "Debian Linux" and version "10.0" | - |
Affected
| ||||||