Vulnerability Details : CVE-2023-42119
Exim dnsdb Out-Of-Bounds Read Information Disclosure Vulnerability. This vulnerability allows network-adjacent attackers to disclose sensitive information 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 read past the end of an allocated buffer. An attacker can leverage this in conjunction with other vulnerabilities to execute arbitrary code in the context of the service account.
. Was ZDI-CAN-17643.
Vulnerability category: Execute codeInformation leak
Products affected by CVE-2023-42119
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Exploit prediction scoring system (EPSS) score for CVE-2023-42119
0.07%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 28 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2023-42119
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
3.1
|
LOW | CVSS:3.0/AV:A/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N |
1.6
|
1.4
|
Zero Day Initiative | 2024-05-03 |
CWE ids for CVE-2023-42119
-
The product reads data past the end, or before the beginning, of the intended buffer.Assigned by: zdi-disclosures@trendmicro.com (Secondary)
References for CVE-2023-42119
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https://www.zerodayinitiative.com/advisories/ZDI-23-1473/
ZDI-23-1473 | Zero Day Initiative
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