Vulnerability CVE-2020-8086
Published: 2020-01-28

Description:
The mod_auth_ldap and mod_auth_ldap2 Community Modules through 2020-01-27 for Prosody incompletely verify the XMPP address passed to the is_admin() function. This grants remote entities admin-only functionality if their username matches the username of a local admin.

Type:

CWE-863

 (Incorrect Authorization)

CVSS2 => (AV:N/AC:M/Au:N/C:P/I:P/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
6.8/10
6.4/10
8.6/10
Exploit range
Attack complexity
Authentication
Remote
Medium
No required
Confidentiality impact
Integrity impact
Availability impact
Partial
Partial
Partial
Affected software
Prosody -> Mod auth ldap 
Prosody -> Mod auth ldap2 
Debian -> Debian linux 

 References:
https://hg.prosody.im/prosody-modules/log/tip/mod_auth_ldap/mod_auth_ldap.lua
https://hg.prosody.im/prosody-modules/log/tip/mod_auth_ldap2/mod_auth_ldap2.lua
https://prosody.im/security/advisory_20200128/
https://seclists.org/bugtraq/2020/Feb/5
https://www.debian.org/security/2020/dsa-4612
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