CVE-2018-10918 — NULL Pointer Dereference in Samba

CWE-476 — NULL Pointer Dereference10 documents8 sources
Severity
6.5MEDIUMNVD
CNA5.2
EPSS
4.3%
top 11.17%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
3
SambaTHE Samba Team SambaCanonical Ubuntu Linux
Timeline
PublishedAug 22
Latest updateMay 13

Description

A null pointer dereference flaw was found in the way samba checked database outputs from the LDB database layer. An authenticated attacker could use this flaw to crash a samba server in an Active Directory Domain Controller configuration. Samba versions before 4.7.9 and 4.8.4 are vulnerable.

CVSS vector

CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HExploitability: 2.8 | Impact: 3.6

Affected Packages3 packages

▶NVDsamba/samba4.7.0 — 4.7.9+1
▶Debiansamba/samba< 2:4.8.4+dfsg-1+3
▶CVEListV5the_samba_team/samba4.7.9, 4.8.4+1

Also affects: Ubuntu Linux 14.04, 16.04, 18.04

Patches

Patch: www.samba.org ↗Patch: www.samba.org ↗

🔴Vulnerability Details

4
GHSA
GHSA-3gcv-q5vm-qrxr: A null pointer dereference flaw was found in the way samba checked database outputs from the LDB database layer↗2022-05-13
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CVEList
CVE-2018-10918: A null pointer dereference flaw was found in the way samba checked database outputs from the LDB database layer↗2018-08-22
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OSV
CVE-2018-10918: A null pointer dereference flaw was found in the way samba checked database outputs from the LDB database layer↗2018-08-22
▶
OSV
samba vulnerabilities↗2018-08-14
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📋Vendor Advisories

3
Red Hat
samba: DsCrackNames on a user without an SPN can trigger NULL-pointer de-reference↗2018-08-16
▶
Ubuntu
Samba vulnerabilities↗2018-08-14
▶
Debian
CVE-2018-10918: samba - A null pointer dereference flaw was found in the way samba checked database outp...↗2018
▶

💬Community

2
Bugzilla
CVE-2018-10918 samba: DsCrackNames on a user without an SPN can trigger NULL-pointer de-reference [fedora-all]↗2018-08-16
▶
Bugzilla
CVE-2018-10918 samba: DsCrackNames on a user without an SPN can trigger NULL-pointer de-reference↗2018-08-01
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CVE-2018-10918 — NULL Pointer Dereference in Samba | cvebase