CVE-2014-0016

stunnel before 5.00, when using fork threading, does not properly update the state of the OpenSSL pseudo-random number generator (PRNG), which causes subsequent children with the same process ID to use the same entropy pool and allows remote attackers to obtain private keys for EC (ECDSA) or DSA certificates.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
4.3 UNKNOWN
NETWORK
MEDIUM
AV:N/AC:M/Au:N/C:P/I:N/A:N
redhatCNA
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 53%
VendorProductVersion
stunnelstunnel
𝑥
≤ 4.56
stunnelstunnel
0.1
stunnelstunnel
1.0
stunnelstunnel
1.1
stunnelstunnel
1.2
stunnelstunnel
1.3
stunnelstunnel
1.4
stunnelstunnel
1.5
stunnelstunnel
1.6
stunnelstunnel
2.0
stunnelstunnel
2.1
stunnelstunnel
3.0
stunnelstunnel
3.0:b1
stunnelstunnel
3.0:b2
stunnelstunnel
3.0:b3
stunnelstunnel
3.0:b4
stunnelstunnel
3.0:b5
stunnelstunnel
3.0:b6
stunnelstunnel
3.0:b7
stunnelstunnel
3.1
stunnelstunnel
3.2
stunnelstunnel
3.3
stunnelstunnel
3.4a:a
stunnelstunnel
3.5
stunnelstunnel
3.6
stunnelstunnel
3.7
stunnelstunnel
3.8
stunnelstunnel
3.8:p1
stunnelstunnel
3.8:p2
stunnelstunnel
3.8:p3
stunnelstunnel
3.8:p4
stunnelstunnel
3.8p1:p1
stunnelstunnel
3.8p2:p2
stunnelstunnel
3.8p3:p3
stunnelstunnel
3.8p4:p4
stunnelstunnel
3.9
stunnelstunnel
3.10
stunnelstunnel
3.11
stunnelstunnel
3.12
stunnelstunnel
3.13
stunnelstunnel
3.14
stunnelstunnel
3.15
stunnelstunnel
3.16
stunnelstunnel
3.17
stunnelstunnel
3.18
stunnelstunnel
3.19
stunnelstunnel
3.20
stunnelstunnel
3.21
stunnelstunnel
3.21a:a
stunnelstunnel
3.21b:b
stunnelstunnel
3.21c:c
stunnelstunnel
3.22
stunnelstunnel
3.23
stunnelstunnel
3.24
stunnelstunnel
3.25
stunnelstunnel
3.26
stunnelstunnel
4.00
stunnelstunnel
4.0
stunnelstunnel
4.01
stunnelstunnel
4.02
stunnelstunnel
4.03
stunnelstunnel
4.04
stunnelstunnel
4.05
stunnelstunnel
4.06
stunnelstunnel
4.07
stunnelstunnel
4.08
stunnelstunnel
4.09
stunnelstunnel
4.10
stunnelstunnel
4.11
stunnelstunnel
4.12
stunnelstunnel
4.13
stunnelstunnel
4.14
stunnelstunnel
4.15
stunnelstunnel
4.16
stunnelstunnel
4.17
stunnelstunnel
4.18
stunnelstunnel
4.19
stunnelstunnel
4.20
stunnelstunnel
4.21
stunnelstunnel
4.22
stunnelstunnel
4.23
stunnelstunnel
4.24
stunnelstunnel
4.25
stunnelstunnel
4.26
stunnelstunnel
4.27
stunnelstunnel
4.28
stunnelstunnel
4.29
stunnelstunnel
4.30
stunnelstunnel
4.31
stunnelstunnel
4.32
stunnelstunnel
4.33
stunnelstunnel
4.34
stunnelstunnel
4.35
stunnelstunnel
4.36
stunnelstunnel
4.37
stunnelstunnel
4.38
stunnelstunnel
4.39
stunnelstunnel
4.40
stunnelstunnel
4.41
stunnelstunnel
4.42
stunnelstunnel
4.43
stunnelstunnel
4.44
stunnelstunnel
4.45
stunnelstunnel
4.46
stunnelstunnel
4.47
stunnelstunnel
4.48
stunnelstunnel
4.49
stunnelstunnel
4.50
stunnelstunnel
4.51
stunnelstunnel
4.52
stunnelstunnel
4.53
stunnelstunnel
4.54
stunnelstunnel
4.55
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
stunnel4
bullseye
3:5.56+dfsg-10
fixed
bookworm
3:5.68-2+deb12u1
fixed
sid
3:5.73-1
fixed
trixie
3:5.73-1
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
stunnel4
bionic
Fixed 3:5.02-1
released
artful
Fixed 3:5.02-1
released
zesty
Fixed 3:5.02-1
released
yakkety
Fixed 3:5.02-1
released
xenial
Fixed 3:5.02-1
released
wily
Fixed 3:5.02-1
released
vivid
Fixed 3:5.02-1
released
utopic
Fixed 3:5.02-1
released
trusty
not-affected
saucy
ignored
quantal
ignored
precise
ignored
lucid
ignored