CVE-2013-4449
The rwm overlay in OpenLDAP 2.4.23, 2.4.36, and earlier does not properly count references, which allows remote attackers to cause a denial of service (slapd crash) by unbinding immediately after a search request, which triggers rwm_conn_destroy to free…
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 10.9%, higher than 96% of all known CVEs. Patch or mitigate before the next change window.
Description
The rwm overlay in OpenLDAP 2.4.23, 2.4.36, and earlier does not properly count references, which allows remote attackers to cause a denial of service (slapd crash) by unbinding immediately after a search request, which triggers rwm_conn_destroy to free the session context while it is being used by rwm_op_search.
- CVSS 2.0
- 4.3 MEDIUMAV:N/AC:M/Au:N/C:N/I:N/A:P
- EPSS
- 10.91% probability · 96th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-189
- Affected
- debian/debian linux · openldap/openldap
- Source
- secalert@redhat.com
References
- http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10705
- http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10735
- http://rhn.redhat.com/errata/RHSA-2014-0126.html
- http://rhn.redhat.com/errata/RHSA-2014-0206.html
- http://seclists.org/fulldisclosure/2019/Dec/26
- http://tools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2013-4449
- http://www.debian.org/security/2015/dsa-3209
- http://www.mandriva.com/security/advisories?name=MDVSA-2014:026
- http://www.openldap.org/its/index.cgi/Incoming?id=7723
- http://www.openwall.com/lists/oss-security/2013/10/19/3
- http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html
- http://www.securityfocus.com/bid/63190
- http://www.securitytracker.com/id/1029711
- https://bugzilla.redhat.com/show_bug.cgi?id=1019490
- https://seclists.org/bugtraq/2019/Dec/23
- https://support.apple.com/kb/HT210788
- http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10705
- http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10735
- http://rhn.redhat.com/errata/RHSA-2014-0126.html
- http://rhn.redhat.com/errata/RHSA-2014-0206.html
- http://seclists.org/fulldisclosure/2019/Dec/26
- http://tools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2013-4449
- http://www.debian.org/security/2015/dsa-3209
- http://www.mandriva.com/security/advisories?name=MDVSA-2014:026
- http://www.openldap.org/its/index.cgi/Incoming?id=7723
- http://www.openwall.com/lists/oss-security/2013/10/19/3
- http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html
- http://www.securityfocus.com/bid/63190
- http://www.securitytracker.com/id/1029711
- https://bugzilla.redhat.com/show_bug.cgi?id=1019490
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.