CVE-2016-1567

chrony before 1.31.2 and 2.x before 2.2.1 do not verify peer associations of symmetric keys when authenticating packets, which might allow remote attackers to conduct impersonation attacks via an arbitrary trusted key, aka a "skeleton key."
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
8.1 HIGH
NETWORK
HIGH
NONE
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
mitreCNA
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 71%
VendorProductVersion
tuxfamilychrony
𝑥
≤ 1.31.1
tuxfamilychrony
2.0
tuxfamilychrony
2.1
tuxfamilychrony
2.1.1
tuxfamilychrony
2.2
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
chrony
bullseye
4.0-8+deb11u2
fixed
bookworm
4.3-2+deb12u1
fixed
sid
4.6.1-1
fixed
trixie
4.6.1-1
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
chrony
cosmic
not-affected
bionic
not-affected
artful
not-affected
zesty
ignored
yakkety
ignored
xenial
Fixed 2.1.1-1ubuntu0.1
released
wily
ignored
vivid
ignored
trusty
Fixed 1.29-1ubuntu0.1
released
precise
ignored
Common Weakness Enumeration
References
http://chrony.tuxfamily.org/news.html#_20_jan_2016_chrony_2_2_1_and_chrony_1_31_2_released
http://lists.fedoraproject.org/pipermail/package-announce/2016-February/176559.html
http://lists.fedoraproject.org/pipermail/package-announce/2016-January/175969.html
http://www.talosintel.com/reports/TALOS-2016-0071/
http://chrony.tuxfamily.org/news.html#_20_jan_2016_chrony_2_2_1_and_chrony_1_31_2_released
http://lists.fedoraproject.org/pipermail/package-announce/2016-February/176559.html
http://lists.fedoraproject.org/pipermail/package-announce/2016-January/175969.html
http://www.talosintel.com/reports/TALOS-2016-0071/