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ubuntucveUbuntu.comUB:CVE-2024-28820
HistoryJun 27, 2024 - 12:00 a.m.

CVE-2024-28820

2024-06-2700:00:00
ubuntu.com
ubuntu.com
4
openvpn
buffer overflow
extract_openvpn_cr
ldap
2.0.4
bug

CVSS3

6.3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

LOW

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

AI Score

7.7

Confidence

High

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.

Bugs

CVSS3

6.3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

LOW

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

AI Score

7.7

Confidence

High