CVE-2021-35472

An issue was discovered in LemonLDAP::NG before 2.0.12. Session cache corruption can lead to authorization bypass or spoofing. By running a loop that makes many authentication attempts, an attacker might alternately be authenticated as one of two different users.

CVSS v3.0 8.8 HIGH
CVSS v2.0 6.0 MEDIUM

8.8^/10

CVSS v3.0 : HIGH

V3 Legend

Vector :

Exploitability : 2.8 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

6.0^/10

CVSS v2.0 : MEDIUM

V2 Legend

Vector : AV:N/AC:M/Au:S/C:P/I:P/A:P

Exploitability : 6.8 / Impact : 6.4

Access Vector NETWORK

Access Complexity MEDIUM

Authentication SINGLE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://gitlab.ow2.org/lemonldap-ng/lemonldap-ng/-/issues/2539	Exploit Patch Third Party Advisory
https://gitlab.ow2.org/lemonldap-ng/lemonldap-ng/-/tags	Patch Third Party Advisory
https://www.debian.org/security/2021/dsa-4943	Third Party Advisory
https://gitlab.ow2.org/lemonldap-ng/lemonldap-ng/-/commit/8d3b763b6af2b8a9c4ad2765fbfabffec8a73af5	Patch Third Party Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:lemonldap-ng:lemonldap\:\:ng:*:*:*:*:*:*:*:*

Configuration 2 (hide)

cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*

Information

Published : 2021-07-30 07:15

Updated : 2021-08-11 08:31

NVD link : CVE-2021-35472

Mitre link : CVE-2021-35472

JSON object : View

CWE

CWE-307

Improper Restriction of Excessive Authentication Attempts

Products Affected

debian

debian_linux

lemonldap-ng

lemonldap\

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8.8 /10