CVE-2018-10918

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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
5.2 MEDIUM
ADJACENT_NETWORK
LOW
LOW
CVSS:3.0/AV:A/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H
redhatCNA
5.2 MEDIUM
ADJACENT_NETWORK
LOW
LOW
CVSS:3.0/AV:A/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H
CVEADP
---
---
Base Score
CVSS 3.x
EPSS Score
Percentile: 88%
VendorProductVersion
canonicalubuntu_linux
14.04
canonicalubuntu_linux
16.04
canonicalubuntu_linux
18.04
sambasamba
4.7.0 ≤
𝑥
< 4.7.9
sambasamba
4.8.0 ≤
𝑥
< 4.8.4
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
samba
bullseye (security)
2:4.13.13+dfsg-1~deb11u6
fixed
bullseye
2:4.13.13+dfsg-1~deb11u6
fixed
stretch
not-affected
jessie
not-affected
bookworm
2:4.17.12+dfsg-0+deb12u1
fixed
bookworm (security)
2:4.17.12+dfsg-0+deb12u1
fixed
sid
2:4.21.1+dfsg-2
fixed
trixie
2:4.21.1+dfsg-2
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
samba
bionic
Fixed 2:4.7.6+dfsg~ubuntu-0ubuntu2.2
released
xenial
not-affected
trusty
not-affected
Common Weakness Enumeration
References
http://www.securityfocus.com/bid/105083
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-10918
https://security.gentoo.org/glsa/202003-52
https://security.netapp.com/advisory/ntap-20180814-0001/
https://usn.ubuntu.com/3738-1/
https://www.samba.org/samba/security/CVE-2018-10918.html
http://www.securityfocus.com/bid/105083
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-10918
https://security.gentoo.org/glsa/202003-52
https://security.netapp.com/advisory/ntap-20180814-0001/
https://usn.ubuntu.com/3738-1/
https://www.samba.org/samba/security/CVE-2018-10918.html