CVE-2016-2126

Samba version 4.0.0 up to 4.5.2 is vulnerable to privilege elevation due to incorrect handling of the PAC (Privilege Attribute Certificate) checksum. A remote, authenticated, attacker can cause the winbindd process to crash using a legitimate Kerberos ticket. A local service with access to the winbindd privileged pipe can cause winbindd to cache elevated access permissions.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
6.5 MEDIUM
NETWORK
LOW
LOW
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
redhatCNA
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 86%
VendorProductVersion
sambasamba
4.0.0 ≤
𝑥
< 4.3.13
sambasamba
4.4.0 ≤
𝑥
< 4.4.8
sambasamba
4.5.0 ≤
𝑥
< 4.5.3
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
wheezy
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
zesty
Fixed 2:4.4.5+dfsg-2ubuntu7
released
yakkety
Fixed 2:4.4.5+dfsg-2ubuntu5.2
released
xenial
Fixed 2:4.3.11+dfsg-0ubuntu0.16.04.3
released
trusty
Fixed 2:4.3.11+dfsg-0ubuntu0.14.04.4
released
precise
not-affected
samba4
zesty
dne
yakkety
dne
xenial
dne
trusty
dne
precise
ignored
Common Weakness Enumeration