CVE-2023-42116

Name
CVE-2023-42116
Description
Exim SMTP Challenge Stack-based Buffer Overflow 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 handling of NTLM challenge requests. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a fixed-length stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of the service account. . Was ZDI-CAN-17515.
NVD Severity
unknown
Other trackers
CVE, NVD, CERT, CVE Details, CIRCL, Arch Linux, Debian, Red Hat, Ubuntu, Gentoo, SUSE (Bugzilla), SUSE (CVE), Mageia
Mailing lists
oss-security, full-disclosure, bugtraq
Exploits
Exploit DB, Metasploit
Forges
GitHub (code, issues), Aports (code, issues)

References

Type URI
x_research-advisory https://www.zerodayinitiative.com/advisories/ZDI-23-1470/
af854a3a-2127-422b-91ae-364da2661108 https://lists.debian.org/debian-lts-announce/2023/10/msg00002.html

Match rules

CPE URI Source package Min version Max version
exim == R.47.0.0 AutoCAD 2021 & R.47.0.0 AutoCAD LT 2021 == R.47.0.0 AutoCAD 2021 & R.47.0.0 AutoCAD LT 2021
cpe:2.3:a:exim:exim:-:*:*:*:*:*:*:* exim >= 0 < 4.96.1
cpe:2.3:a:exim:exim:-:*:*:*:*:*:*:* exim >= 0 < 4.97
cpe:2.3:a:exim:exim:*:*:*:*:*:*:*:* exim >= None < 4.96.1

Vulnerable and fixed packages

Source package Branch Version Maintainer Status
exim edge-community 4.96.2-r0 Jesse Young <jlyo@jlyo.org> fixed
exim edge-community 4.96.1-r0 Jesse Young <jlyo@jlyo.org> fixed
exim edge-community 4.96-r2 Jesse Young <jlyo@jlyo.org> possibly vulnerable
exim edge-community 4.96-r1 Jesse Young <jlyo@jlyo.org> possibly vulnerable
exim edge-community 4.96-r0 Jesse Young <jlyo@jlyo.org> possibly vulnerable
exim edge-community 4.95-r0 Jesse Young <jlyo@jlyo.org> possibly vulnerable
exim edge-community 4.94.2-r1 Jesse Young <jlyo@jlyo.org> possibly vulnerable
exim edge-community 4.94.2-r0 Jesse Young <jlyo@jlyo.org> possibly vulnerable
exim edge-community 4.93-r1 None possibly vulnerable
exim edge-community 4.92.2-r1 None possibly vulnerable
exim edge-community 4.92.2-r0 None possibly vulnerable
exim edge-community 4.92.1-r0 None possibly vulnerable
exim edge-community 4.92-r0 None possibly vulnerable
exim edge-community 4.90.1-r0 None possibly vulnerable
exim edge-community 4.89.1-r0 None possibly vulnerable
exim edge-community 4.89-r7 None possibly vulnerable
exim edge-community 4.89-r5 None possibly vulnerable
exim 3.22-community 4.96.2-r0 None fixed
exim 3.22-community 4.96.1-r0 None fixed
exim 3.22-community 4.94.2-r0 None possibly vulnerable
exim 3.22-community 4.93-r1 None possibly vulnerable
exim 3.22-community 4.92.2-r1 None possibly vulnerable
exim 3.22-community 4.92.2-r0 None possibly vulnerable
exim 3.22-community 4.92.1-r0 None possibly vulnerable
exim 3.22-community 4.92-r0 None possibly vulnerable
exim 3.22-community 4.90.1-r0 None possibly vulnerable
exim 3.22-community 4.89.1-r0 None possibly vulnerable
exim 3.22-community 4.89-r7 None possibly vulnerable
exim 3.22-community 4.89-r5 None possibly vulnerable
exim 3.21-community 4.96.1-r0 None fixed
exim 3.20-community 4.96.1-r0 None fixed
exim 3.19-community 4.96.1-r0 None fixed
exim 3.18-community 4.96.1-r0 Jesse Young <jlyo@jlyo.org> fixed