CVE-2020-25692

Severity
7.5HIGH
EPSS
6.2%
top 9.10%
CISA KEV
Not in KEV
Exploit
No known exploits
Timeline
PublishedDec 8
Latest updateMay 24

Description

A NULL pointer dereference was found in OpenLDAP server and was fixed in openldap 2.4.55, during a request for renaming RDNs. An unauthenticated attacker could remotely crash the slapd process by sending a specially crafted request, causing a Denial of Service.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HExploitability: 3.9 | Impact: 3.6

Affected Packages3 packages

NVDopenldap/openldap< 2.4.55
Debianopenldap< 2.4.55+dfsg-1+3
CVEListV5openldapopenldap 2.4.55

Also affects: Enterprise Linux 5.0, 6.0, 7.0

Patches

🔴Vulnerability Details

3
GHSA
GHSA-73cr-r2gx-wgq6: A NULL pointer dereference was found in OpenLDAP server and was fixed in openldap 22022-05-24
CVEList
CVE-2020-25692: A NULL pointer dereference was found in OpenLDAP server and was fixed in openldap 22020-12-08
OSV
CVE-2020-25692: A NULL pointer dereference was found in OpenLDAP server and was fixed in openldap 22020-12-08

📋Vendor Advisories

5
Microsoft
A NULL pointer dereference was found in OpenLDAP server and was fixed in openldap 2.4.55 during a request for renaming RDNs. An unauthenticated attacker could remotely crash the slapd process by sendi2020-12-08
Ubuntu
OpenLDAP vulnerability2020-11-11
Ubuntu
OpenLDAP vulnerability2020-11-09
Red Hat
openldap: NULL pointer dereference for unauthenticated packet in slapd2020-10-19
Debian
CVE-2020-25692: openldap - A NULL pointer dereference was found in OpenLDAP server and was fixed in openlda...2020

💬Community

1
Bugzilla
CVE-2020-25692 openldap: NULL pointer dereference for unauthenticated packet in slapd2020-11-04