Insufficient Entropy in PRNG Affecting stunnel package, versions [,4.57)


Severity

Recommended
0.0
medium
0
10

CVSS assessment by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
2.16% (80th percentile)

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  • Snyk IDSNYK-UNMANAGED-STUNNEL-2370302
  • published26 Jan 2022
  • disclosed24 Mar 2014
  • creditUnknown

Introduced: 24 Mar 2014

CVE-2014-0016  (opens in a new tab)
CWE-332  (opens in a new tab)

How to fix?

Upgrade stunnel to version 4.57 or higher.

Overview

Affected versions of this package are vulnerable to Insufficient Entropy in PRNG 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.

References

CVSS Base Scores

version 3.1