LDAP: OpenLDAP slapd Deref Overlay Denial Of Service

This signature detects attempts to exploit a known vulnerability against OpenLDAP. Attackers can send crafted malicious data to cause denial of service condition to the target service.

Extended Description

The deref_parseCtrl function in servers/slapd/overlays/deref.c in OpenLDAP 2.4.13 through 2.4.40 allows remote attackers to cause a denial of service (NULL pointer dereference and crash) via an empty attribute list in a deref control in a search request.

Affected Products

Openldap openldap

Short Name
LDAP:SLAPD-OVERLAY-DOS
Severity
Major
Recommended
True
Recommended Action
Drop
Category
LDAP
Keywords
CVE-2015-1545 Denial Deref Of OpenLDAP Overlay Service bid:72519 slapd
Release Date
06/09/2015
Supported Platforms

srx-branch-12.3

srx-19.3

srx-branch-19.3

vsrx3bsd-19.2

srx-branch-19.4

vsrx-19.4

mx-12.3

mx-19.4

vmx-19.4

mx-19.3

vsrx3bsd-19.4

srx-19.4

vsrx-12.3

vmx-19.3

vsrx-19.2

srx-12.3

Sigpack Version
3650
False Positive
Unknown
Vendors

Openldap

CVSS Score

5.0

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