Timing Attack Affecting tlslite-ng package, versions [,0.7.6)[0.8.0-alpha1, 0.8.0-alpha39)


Severity

Recommended
0.0
medium
0
10

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

Threat Intelligence

EPSS
0.6% (79th percentile)

Do your applications use this vulnerable package?

In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.

Test your applications
  • Snyk IDSNYK-PYTHON-TLSLITENG-1053429
  • published22 Dec 2020
  • disclosed21 Dec 2020
  • creditHubert Kario

Introduced: 21 Dec 2020

CVE-2020-26263  (opens in a new tab)
CWE-208  (opens in a new tab)

How to fix?

Upgrade tlslite-ng to version 0.7.6, 0.8.0-alpha39 or higher.

Overview

Affected versions of this package are vulnerable to Timing Attack. It has multiple ways in which it leaks information about the decrypted ciphertext - both the bit length of the decrypted message as well as where the first unexpected byte lays.

CVSS Scores

version 3.1