Use of Insufficiently Random Values Affecting tass-belgium/picotcp package, versions [0,]


Severity

Recommended
0.0
high
0
10

CVSS assessment by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.87% (54th percentile)

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  • Snyk IDSNYK-UNMANAGED-TASSBELGIUMPICOTCP-5961590
  • published12 Oct 2023
  • disclosed10 Oct 2023
  • creditUnknown

Introduced: 10 Oct 2023

CVE-2020-27635  (opens in a new tab)
CWE-330  (opens in a new tab)

How to fix?

There is no fixed version for tass-belgium/picotcp.

Overview

Affected versions of this package are vulnerable to Use of Insufficiently Random Values due to the TCP ISNs generation process. An attacker can predict the sequence numbers and potentially hijack the TCP connections by exploiting the weak randomness of the ISNs. This is only exploitable if the attacker can sniff the network traffic.

CVSS Base Scores

version 3.1