CVE-2015-6908
The ber_get_next function in libraries/liblber/io.c in OpenLDAP 2.4.42 and earlier allows remote attackers to cause a denial of service (reachable assertion and application crash) via crafted BER data, as demonstrated by an attack against slapd.
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 20.0%, higher than 97% of all known CVEs. Patch or mitigate before the next change window.
Description
The ber_get_next function in libraries/liblber/io.c in OpenLDAP 2.4.42 and earlier allows remote attackers to cause a denial of service (reachable assertion and application crash) via crafted BER data, as demonstrated by an attack against slapd.
- CVSS 2.0
- 5.0 MEDIUMAV:N/AC:L/Au:N/C:N/I:N/A:P
- EPSS
- 19.98% probability · 97th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-20
- Affected
- openldap/openldap · apple/mac os x
- Source
- security@debian.org
References
- http://lists.apple.com/archives/security-announce/2015/Dec/msg00005.html
- http://lists.opensuse.org/opensuse-security-announce/2016-01/msg00031.html
- http://lists.opensuse.org/opensuse-security-announce/2016-01/msg00032.html
- http://lists.opensuse.org/opensuse-security-announce/2016-01/msg00037.html
- http://lists.opensuse.org/opensuse-security-announce/2016-01/msg00039.html
- http://lists.opensuse.org/opensuse-security-announce/2016-01/msg00040.html
- http://rhn.redhat.com/errata/RHSA-2015-1840.html
- http://www.debian.org/security/2015/dsa-3356
- http://www.openldap.org/devel/gitweb.cgi?p=openldap.git%3Ba=commit%3Bh=6fe51a9ab04fd28bbc171da3cf12f1c1040d6629
- http://www.openldap.org/its/index.cgi/Software%20Bugs?id=8240Exploit, Vendor Advisory
- http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html
- http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html
- http://www.security-assessment.com/files/documents/advisory/OpenLDAP-ber_get_next-Denial-of-Service.pdf
- http://www.securityfocus.com/bid/76714
- http://www.securitytracker.com/id/1033534
- http://www.ubuntu.com/usn/USN-2742-1
- https://support.apple.com/HT205637
- http://lists.apple.com/archives/security-announce/2015/Dec/msg00005.html
- http://lists.opensuse.org/opensuse-security-announce/2016-01/msg00031.html
- http://lists.opensuse.org/opensuse-security-announce/2016-01/msg00032.html
- http://lists.opensuse.org/opensuse-security-announce/2016-01/msg00037.html
- http://lists.opensuse.org/opensuse-security-announce/2016-01/msg00039.html
- http://lists.opensuse.org/opensuse-security-announce/2016-01/msg00040.html
- http://rhn.redhat.com/errata/RHSA-2015-1840.html
- http://www.debian.org/security/2015/dsa-3356
- http://www.openldap.org/devel/gitweb.cgi?p=openldap.git%3Ba=commit%3Bh=6fe51a9ab04fd28bbc171da3cf12f1c1040d6629
- http://www.openldap.org/its/index.cgi/Software%20Bugs?id=8240Exploit, Vendor Advisory
- http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html
- http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html
- http://www.security-assessment.com/files/documents/advisory/OpenLDAP-ber_get_next-Denial-of-Service.pdf
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.