A vulnerability was found in LemonLDAP::NG up to 1.9.19 (Directory Service Software). It has been declared as critical. This vulnerability affects the function LemonLDAP::NG of the component Notification Handler. The manipulation with an unknown input leads to a xml external entity reference vulnerability. The CWE definition for the vulnerability is CWE-611. The product processes an XML document that can contain XML entities with URIs that resolve to documents outside of the intended sphere of control, causing the product to embed incorrect documents into its output. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

LemonLDAP::NG before 1.9.20 has an XML External Entity (XXE) issue when submitting a notification to the notification server. By default, the notification server is not enabled and has a "deny all" rule.

The weakness was presented 06/28/2019 (Website). The advisory is shared for download at lists.debian.org. This vulnerability was named CVE-2019-13031 since 06/28/2019. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are known technical details, but no exploit is available.

Upgrading to version 1.9.20 eliminates this vulnerability.

Productinfo

Type

• Directory Service Software

Name

• LemonLDAP::NG

Version

• 1.9.0
• 1.9.1
• 1.9.2
• 1.9.3
• 1.9.4
• 1.9.5
• 1.9.6
• 1.9.7
• 1.9.8
• 1.9.9
• 1.9.10
• 1.9.11
• 1.9.12
• 1.9.13
• 1.9.14
• 1.9.15
• 1.9.16
• 1.9.17
• 1.9.18
• 1.9.19

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