CVE-2020-25721

Kerberos acceptors need easy access to stable AD identifiers (eg objectSid). Samba as an AD DC now provides a way for Linux applications to obtain a reliable SID (and samAccountName) in issued tickets.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
8.8 HIGH
NETWORK
LOW
LOW
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
redhatCNA
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 40%
VendorProductVersion
sambasamba
4.13.0 ≤
𝑥
< 4.13.14
sambasamba
4.14.0 ≤
𝑥
< 4.14.10
sambasamba
4.15.0 ≤
𝑥
< 4.15.2
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
buster
ignored
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
lunar
Fixed 2:4.13.14+dfsg-0ubuntu1
released
kinetic
Fixed 2:4.13.14+dfsg-0ubuntu1
released
jammy
Fixed 2:4.13.14+dfsg-0ubuntu1
released
impish
Fixed 2:4.13.14+dfsg-0ubuntu0.21.10.1
released
hirsute
Fixed 2:4.13.14+dfsg-0ubuntu0.21.04.1
released
focal
Fixed 2:4.13.14+dfsg-0ubuntu0.20.04.1
released
bionic
ignored
xenial
ignored
trusty
ignored
Common Weakness Enumeration
References
https://bugzilla.redhat.com/show_bug.cgi?id=2021728
https://bugzilla.samba.org/show_bug.cgi?id=14725
https://security.gentoo.org/glsa/202309-06
https://www.samba.org/samba/security/CVE-2020-25721.html
https://bugzilla.redhat.com/show_bug.cgi?id=2021728
https://bugzilla.samba.org/show_bug.cgi?id=14725
https://security.gentoo.org/glsa/202309-06
https://www.samba.org/samba/security/CVE-2020-25721.html