DEBIAN-CVE-2024-28820

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Source
https://security-tracker.debian.org/tracker/CVE-2024-28820
Import Source
https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2024-28820.json
JSON Data
https://api.osv.dev/v1/vulns/DEBIAN-CVE-2024-28820
Upstream
Published
2024-06-27T16:15:10Z
Modified
2025-10-14T04:25:43.226823Z
Severity
  • 6.3 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L CVSS Calculator
Summary
[none]
Details

Buffer overflow in the extractopenvpncr 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

Affected packages

Debian:11 / openvpn-auth-ldap

Package

Name
openvpn-auth-ldap
Purl
pkg:deb/debian/openvpn-auth-ldap?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

2.*

2.0.4-1
2.0.4-2
2.0.4-3
2.0.4-4
2.0.4-5

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Debian:12 / openvpn-auth-ldap

Package

Name
openvpn-auth-ldap
Purl
pkg:deb/debian/openvpn-auth-ldap?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

2.*

2.0.4-3
2.0.4-4
2.0.4-5

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Debian:13 / openvpn-auth-ldap

Package

Name
openvpn-auth-ldap
Purl
pkg:deb/debian/openvpn-auth-ldap?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.0.4-4

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Debian:14 / openvpn-auth-ldap

Package

Name
openvpn-auth-ldap
Purl
pkg:deb/debian/openvpn-auth-ldap?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.0.4-4

Ecosystem specific 

{
    "urgency": "not yet assigned"
}