Improper Initialization Affecting coturn/coturn package, versions [,4.5.1.3)


Severity

Recommended
0.0
high
0
10

CVSS assessment made by Snyk's Security Team. Learn more

Threat Intelligence

Exploit Maturity
Not Defined
EPSS
0.45% (76th percentile)

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  • Snyk IDSNYK-UNMANAGED-COTURNCOTURN-2366005
  • published26 Jan 2022
  • disclosed29 Jun 2020
  • creditUnknown

Introduced: 29 Jun 2020

CVE-2020-4067  (opens in a new tab)
CWE-665  (opens in a new tab)

How to fix?

Upgrade coturn/coturn to version 4.5.1.3 or higher.

Overview

Affected versions of this package are vulnerable to Improper Initialization. In coturn before version 4.5.1.3, there is an issue whereby STUN/TURN response buffer is not initialized properly. There is a leak of information between different client connections. One client (an attacker) could use their connection to intelligently query coturn to get interesting bytes in the padding bytes from the connection of another client. This has been fixed in 4.5.1.3.

CVSS Scores

version 3.1