Description
Buffer overflow in the extract_openvpn_cr function in openvpn-cr.c in openvpn-auth-ldap (aka the Three Rings Auth-LDAP plugin for OpenVPN) 2.0.4 allows attackers with a valid LDAP username and who can control the challenge/response password field to pass a string with more than 14 colons into this field and cause a buffer overflow.
References (2)
Core 2
Core References
Various Sources
https://github.com/threerings/openvpn-auth-ldap/tags
Issue Tracking
https://github.com/threerings/openvpn-auth-ldap/pull/92
Scores
CVSS v3
6.3
EPSS
0.0022
EPSS Percentile
44.0%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
partial
Details
CWE
CWE-125
Status
published
Published
Jun 27, 2024
Tracked Since
Feb 18, 2026