samba is vulnerable to denial of service. The ldb_qsort()
and dns_name_compare()
routines could be confused into reading memory prior to the list of DNS entries when responding to DnssrvEnumRecords()
or DnssrvEnumRecords2()
, resulting in a denial of service condition due to following invalid memory as a pointer.
lists.opensuse.org/opensuse-security-announce/2019-12/msg00038.html
bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-14861
lists.debian.org/debian-lts-announce/2021/05/msg00023.html
lists.fedoraproject.org/archives/list/[email protected]/message/PJH3ROOFYMOATD2UEPC47P5RPBDTY77E/
lists.fedoraproject.org/archives/list/[email protected]/message/WNKA4YIPV7AZR7KK3GW6L3HKGHSGJZFE/
security-tracker.debian.org/tracker/CVE-2019-14861
security.gentoo.org/glsa/202003-52
security.netapp.com/advisory/ntap-20191210-0002/
usn.ubuntu.com/4217-1/
usn.ubuntu.com/4217-2/
www.samba.org/samba/security/CVE-2019-14861.html
www.synology.com/security/advisory/Synology_SA_19_40