2021-35472 | LemonLDAP::NG Cache authorization
|CVSS Meta Temp Score
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|CTI Interest Score
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A vulnerability was found in LemonLDAP::NG up to 2.0.11 (Directory Service Software) and classified as critical. This issue affects an unknown functionality of the component Cache Handler. The manipulation with an unknown input leads to a privilege escalation vulnerability. Using CWE to declare the problem leads to CWE-639. Impacted is confidentiality, integrity, and availability. The summary by CVE is:
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.
The weakness was shared 07/31/2021. The advisory is shared at gitlab.ow2.org. The identification of this vulnerability is CVE-2021-35472 since 06/23/2021. The attack can only be done within the local network. The successful exploitation needs a simple authentication. Neither technical details nor an exploit are publicly available.
Upgrading to version 2.0.12 eliminates this vulnerability. Applying a patch is able to eliminate this problem. The bugfix is ready for download at gitlab.ow2.org. The best possible mitigation is suggested to be upgrading to the latest version.
VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.3
Status: Not defined
0-Day Time: 🔒
Created: 07/31/2021 17:44
Updated: 08/06/2021 03:40
Changes: (3) source_cve_assigned source_cve_nvd_summary advisory_confirm_url
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