Medium severity · published Jul 7, 2020
CVE-2020-10730
A NULL pointer dereference, or possible use-after-free flaw was found in Samba AD LDAP server in versions before 4.10.17, before 4.11.11 and before 4.12.4
6.5
CVSS
2.4%
EPSS
No
On KEV
Description
A NULL pointer dereference, or possible use-after-free flaw was found in Samba AD LDAP server in versions before 4.10.17, before 4.11.11 and before 4.12.4. Although some versions of Samba shipped with Red Hat Enterprise Linux do not support Samba in AD mode, the affected code is shipped with the libldb package. This flaw allows an authenticated user to possibly trigger a use-after-free or NULL pointer dereference. The highest threat from this vulnerability is to system availability.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)2.4% · higher than 84% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DL
Debian Linux · Debian
9.0; 10.0 · source: NVD
FE
Fedora · Fedoraproject
31 · source: NVD
LE
Leap · Opensuse
15.1; 15.2 · source: NVD
SA
Samba · Samba
4.5.0 before 4.10.17; 4.11.0 before 4.11.11; 4.12.0 before 4.12.4 · source: NVD
ST
Storage · Redhat
3.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-10730
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-10730
Mailing List
http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00030.html
Mailing List
http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00054.html
Mailing List
http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00000.html
Mailing List
http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00002.html
bugzilla.redhat.com
https://bugzilla.redhat.com/show_bug.cgi?id=1849489%3B
Issue Tracking
https://lists.debian.org/debian-lts-announce/2020/11/msg00041.html
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