CVE-2023-42115
Exim AUTH Out-Of-Bounds Write Remote Code Execution Vulnerability
Summary
Exim AUTH Out-Of-Bounds Write Remote Code Execution Vulnerability
Original description
The description as published by the source.
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.
Fix status by distribution
Fixed packages published by each distribution for this CVE
- Debian DEBIAN-CVE-2023-42115 exim4 Fixed in: 4.94.2-7+deb11u1
References
- advisory github.com
- advisory nvd.nist.gov
- advisory zerodayinitiative.com