CVE-2023-42115
Fixed in a distro release EPSS 12%CVSS 9.8
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.
Products: exim
Distro releases
| Release | Package | Fixed in |
|---|---|---|
| Chainguard | exim | 4.96.1-r0 |
| Chainguard | exim-cdb | 4.96.1-r0 |
| Chainguard | exim-dbmdb | 4.96.1-r0 |
| Chainguard | exim-dnsdb | 4.96.1-r0 |
| Chainguard | exim-doc | 4.96.1-r0 |
| Chainguard | exim-mysql | 4.96.1-r0 |
| Chainguard | exim-pgsql | 4.96.1-r0 |
| Chainguard | exim-scripts | 4.96.1-r0 |
| Chainguard | exim-sqlite | 4.96.1-r0 |
| Chainguard | exim-utils | 4.96.1-r0 |
| Debian:11 | exim4 | 4.94.2-7+deb11u1 |
| Debian:12 | exim4 | 4.96-15+deb12u2 |
| Debian:13 | exim4 | 4.97~RC1-2 |
| Debian:14 | exim4 | 4.97~RC1-2 |
| SUSE:Package Hub 15 SP4 | exim | 4.94.2-bp155.5.3.1 |
| SUSE:Package Hub 15 SP5 | exim | 4.97.1-bp155.5.9.1 |
| SUSE:Package Hub 15 SP5 | exim | 4.94.2-bp155.5.3.1 |
| Ubuntu:20.04:LTS | exim4 | 4.93-13ubuntu1.8 |
| Ubuntu:22.04:LTS | exim4 | 4.95-4ubuntu2.3 |
| Ubuntu:Pro:14.04:LTS | exim4 | 4.82-3ubuntu2.4+esm6 |
| Ubuntu:Pro:16.04:LTS | exim4 | 4.86.2-2ubuntu2.6+esm4 |
| Ubuntu:Pro:18.04:LTS | exim4 | 4.90.1-1ubuntu1.10+esm1 |
| Wolfi | exim | 4.96.1-r0 |
| Wolfi | exim-cdb | 4.96.1-r0 |
| Wolfi | exim-dbmdb | 4.96.1-r0 |
| Wolfi | exim-dnsdb | 4.96.1-r0 |
| Wolfi | exim-doc | 4.96.1-r0 |
| Wolfi | exim-mysql | 4.96.1-r0 |
| Wolfi | exim-pgsql | 4.96.1-r0 |
| Wolfi | exim-scripts | 4.96.1-r0 |
| Wolfi | exim-sqlite | 4.96.1-r0 |
| Wolfi | exim-utils | 4.96.1-r0 |
| openSUSE:Leap 15.4 | exim | 4.94.2-bp155.5.3.1 |
| openSUSE:Leap 15.5 | exim | 4.97.1-bp155.5.9.1 |
| openSUSE:Leap 15.5 | exim | 4.94.2-bp155.5.3.1 |
| openSUSE:Tumbleweed | exim | 4.96.1-1.1 |