Vulnerability Details : CVE-2023-42115
Potential exploit
Exim AUTH Out-Of-Bounds Write Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of Exim. Authentication is not required to exploit this vulnerability.
The specific flaw exists within the smtp service, which listens on TCP port 25 by default. The issue results from the lack of proper validation of user-supplied data, which can result in a write past the end of a buffer. An attacker can leverage this vulnerability to execute code in the context of the service account.
. Was ZDI-CAN-17434.
Vulnerability category: Execute code
Products affected by CVE-2023-42115
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Exploit prediction scoring system (EPSS) score for CVE-2023-42115
52.03%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 98 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2023-42115
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
9.8
|
CRITICAL | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
3.9
|
5.9
|
Zero Day Initiative | 2024-05-03 |
CWE ids for CVE-2023-42115
-
The product writes data past the end, or before the beginning, of the intended buffer.Assigned by: zdi-disclosures@trendmicro.com (Secondary)
References for CVE-2023-42115
-
https://www.zerodayinitiative.com/advisories/ZDI-23-1469/
ZDI-23-1469 | Zero Day Initiative
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