Resource Exhaustion Affecting openldap package, versions <2.4.40+dfsg-1+deb8u6
Threat Intelligence
EPSS
12.4% (96th
percentile)
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Test your applications- Snyk ID SNYK-DEBIAN8-OPENLDAP-567773
- published 28 Apr 2020
- disclosed 28 Apr 2020
Introduced: 28 Apr 2020
CVE-2020-12243 Open this link in a new tabHow to fix?
Upgrade Debian:8 openldap to version 2.4.40+dfsg-1+deb8u6 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream openldap package and not the openldap package as distributed by Debian.
See How to fix? for Debian:8 relevant fixed versions and status.
In filter.c in slapd in OpenLDAP before 2.4.50, LDAP search filters with nested boolean expressions can result in denial of service (daemon crash).
References
- https://security-tracker.debian.org/tracker/CVE-2020-12243
- https://git.openldap.org/openldap/openldap/-/blob/OPENLDAP_REL_ENG_2_4/CHANGES
- https://git.openldap.org/openldap/openldap/-/commit/98464c11df8247d6a11b52e294ba5dd4f0380440
- https://support.apple.com/kb/HT211289
- https://www.debian.org/security/2020/dsa-4666
- https://lists.debian.org/debian-lts-announce/2020/05/msg00001.html
- https://bugs.openldap.org/show_bug.cgi?id=9202
- https://www.oracle.com/security-alerts/cpuoct2020.html
- https://security.netapp.com/advisory/ntap-20200511-0003/
- http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00016.html
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2020-12243
- https://usn.ubuntu.com/4352-1/
- https://usn.ubuntu.com/4352-2/
- https://www.oracle.com/security-alerts/cpuapr2022.html
CVSS Scores
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