CVE-2020-14323
Advisory lineage Upstream: 0 Downstream: 24
Modified
Published: 29 Oct 2020, 00:00
Last modified:04 Aug 2024, 12:39
Vulnerability Summary
Overall Risk (default)
low
22/100 CVSS Score
5.5 MEDIUM
v3.1 (cve.org)
EPSS Score
0.42% LOW
0% probability +0.03%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected
Timeline
29 Oct 2020, 00:00
Published
Vulnerability first disclosed
04 Aug 2024, 12:39
Last Modified
Vulnerability information updated
Description
A null pointer dereference flaw was found in samba's Winbind service in versions before 4.11.15, before 4.12.9 and before 4.13.1. A local user could use this flaw to crash the winbind service causing denial of service.
CVSS Metrics
- v3.1•MEDIUM•Score: 5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- v2.0•LOW•Score: 2.1AV:L/AC:L/Au:N/C:N/I:N/A:P
EPSS Trends
Current EPSS score: 0.42%• Percentile: 62%
Techniques & Countermeasures
- CWE-476•NULL Pointer Dereference
The product dereferences a pointer that it expects to be valid but is NULL.
- CWE-170•Improper Null Termination
The product does not terminate or incorrectly terminates a string or array with a null character or equivalent terminator.
Affected Systems
- debian•debian_linux
9.0
- fedoraproject•fedora
32 | 33
- opensuse•leap
15.1 | 15.2
- samba•samba
≥ 3.6.0, < 4.11.15 | ≥ 4.12.0, < 4.12.9 | ≥ 4.13.0, < 4.13.1
References (10)
- https://bugzilla.redhat.com/show_bug.cgi?id=1891685
- https://www.samba.org/samba/security/CVE-2020-14323.html
- http://lists.opensuse.org/opensuse-security-announce/2020-11/msg00008.html
- http://lists.opensuse.org/opensuse-security-announce/2020-11/msg00012.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JE2M4FE3N3EDXVG4UKSVFPL7SQUGFFDP/
- https://security.netapp.com/advisory/ntap-20201103-0001/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/W6HM73N4NEGFW5GIJJGGP6ZZBS6GTXPB/
- https://lists.debian.org/debian-lts-announce/2020/11/msg00041.html
- https://security.gentoo.org/glsa/202012-24
- https://lists.debian.org/debian-lts-announce/2024/04/msg00015.html