CVE-2023-42114Out-of-bounds Read in Exim

CWE-125Out-of-bounds Read11 documents8 sources
Severity
5.3MEDIUMNVD
EPSS
13.9%
top 5.67%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedMay 3

Description

Exim NTLM Challenge Out-Of-Bounds Read Information Disclosure Vulnerability. This vulnerability allows remote attackers to disclose sensitive information 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 user-supplied data, which can result in a read past the end of an allocated data structure. An attacker can leverage th

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:NExploitability: 3.9 | Impact: 1.4

Affected Packages3 packages

NVDexim/exim< 4.96.1
debiandebian/exim4< exim4 4.96-15+deb12u2 (bookworm)
CVEListV5exim/eximexim 4.95

🔴Vulnerability Details

3
GHSA
GHSA-h5j4-2q8w-q3q4: Exim NTLM Challenge Out-Of-Bounds Read Information Disclosure Vulnerability2024-05-03
OSV
CVE-2023-42114: Exim NTLM Challenge Out-Of-Bounds Read Information Disclosure Vulnerability2024-05-03
OSV
exim4 vulnerabilities2023-10-04

📋Vendor Advisories

3
Ubuntu
Exim vulnerabilities2023-10-04
Red Hat
Exim: NTLM Challenge Out-Of-Bounds Read Information Disclosure Vulnerability2023-09-27
Debian
CVE-2023-42114: exim4 - Exim NTLM Challenge Out-Of-Bounds Read Information Disclosure Vulnerability. Thi...2023

🕵️Threat Intelligence

4
Wiz
Exim 0day Vulnerabilities: Everything You Need to Know | Wiz Blog2023-10-02
Wiz
Exim 0day Vulnerabilities: Everything You Need to Know | Wiz Blog2023-10-02
Bleepingcomputer
Exim patches three of six zero-day bugs disclosed last week2023-10-02
Bleepingcomputer
Millions of Exim mail servers exposed to zero-day RCE attacks2023-09-29