CVE-2020-10730
What it is
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.
At a glance
- Exploitability
- Can be exploited over the network with a low-privilege account. High risk of service disruption.
- Exploit odds
- 2.5% chance of exploitation in the next 30 days (EPSS).
- Fix
- A patch, advisory or fixed version is referenced. Upgrade or apply it.
Timeline
- PublishedDisclosed publicly on CVE.org and NVD
- Last updatedMost recent change to the record
Why it ranks here
- Exploited in the wild: no, CISA does not list it.
- Exploit odds: 2.5% in the next 30 days (EPSS).
- Severity: 6.5 MEDIUM (CVSS).
- Fix: a patch or advisory is linked.
Details
- Published
- Last modified
- Exploit probability
- 2.5% · EPSS, next 30 days
- Weakness
- CWE-416 · Use after free
- Record status
- Modified
Affected
- Samba < 4.10.17
- Samba < 4.11.11
- Samba < 4.12.4
- Redhat Storage 3.0
- Opensuse Leap 15.1
- Opensuse Leap 15.2
- Fedoraproject Fedora 31
- Debian Linux 9.0
Attack profile CVSS 3.1 · 6.5
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Raw vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Is it in your code?
Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.
Read https://cve-list.com/agent/cve/CVE-2020-10730.md and follow it. Check whether this project is affected by CVE-2020-10730. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.
Fix and advisories
- https://www.samba.org/samba/security/CVE-2020-10730.html
- https://www.samba.org/samba/security/CVE-2020-10730.html
References
- http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00030.html
- http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00054.html
- http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00000.html
- http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00002.html
- https://bugzilla.redhat.com/show_bug.cgi?id=1849489%3B
- https://lists.debian.org/debian-lts-announce/2020/11/msg00041.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6YLNQ5GRXUKYRUAOFZ4DUBVN4SMTL6Q2/
- https://security.gentoo.org/glsa/202007-15
- https://www.debian.org/security/2021/dsa-4884
- https://www.samba.org/samba/security/CVE-2020-10730.html
- http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00030.html
- http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00054.html
- http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00000.html
- http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00002.html
- https://bugzilla.redhat.com/show_bug.cgi?id=1849489%3B
- https://lists.debian.org/debian-lts-announce/2020/11/msg00041.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6YLNQ5GRXUKYRUAOFZ4DUBVN4SMTL6Q2/
- https://security.gentoo.org/glsa/202007-15
- https://www.debian.org/security/2021/dsa-4884
- https://www.samba.org/samba/security/CVE-2020-10730.html