CVE-2017-7479

OpenVPN versions before 2.3.15 and before 2.4.2 are vulnerable to reachable assertion when packet-ID counter rolls over resulting into Denial of Service of server by authenticated attacker.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
6.5 MEDIUM
NETWORK
LOW
LOW
CVSS:3.0/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: 71%
VendorProductVersion
openvpnopenvpn
𝑥
≤ 2.3.14
openvpnopenvpn
2.4.0
openvpnopenvpn
2.4.0:alpha2
openvpnopenvpn
2.4.0:beta1
openvpnopenvpn
2.4.0:beta2
openvpnopenvpn
2.4.0:rc1
openvpnopenvpn
2.4.0:rc2
openvpnopenvpn
2.4.1
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
openvpn
bullseye
2.5.1-3
fixed
bookworm
2.6.3-1+deb12u2
fixed
bookworm (security)
2.6.3-1+deb12u2
fixed
sid
2.6.12-1
fixed
trixie
2.6.12-1
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
openvpn
hirsute
not-affected
groovy
not-affected
focal
not-affected
eoan
not-affected
disco
not-affected
cosmic
not-affected
bionic
not-affected
artful
not-affected
zesty
Fixed 2.4.0-4ubuntu1.2
released
yakkety
Fixed 2.3.11-1ubuntu2.1
released
xenial
Fixed 2.3.10-1ubuntu2.1
released
trusty
Fixed 2.3.2-7ubuntu3.2
released
precise
ignored
Common Weakness Enumeration
References
http://www.debian.org/security/2017/dsa-3900
http://www.securityfocus.com/bid/98443
http://www.securitytracker.com/id/1038473
https://community.openvpn.net/openvpn/wiki/QuarkslabAndCryptographyEngineerAudits
http://www.debian.org/security/2017/dsa-3900
http://www.securityfocus.com/bid/98443
http://www.securitytracker.com/id/1038473
https://community.openvpn.net/openvpn/wiki/QuarkslabAndCryptographyEngineerAudits