Insertion of Sensitive Information into Log File Affecting tor package, versions [,0.2.9.1)


Severity

Recommended
0.0
medium
0
10

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

Threat Intelligence

EPSS
0.22% (60th percentile)

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  • Snyk IDSNYK-UNMANAGED-TOR-2371385
  • published26 Jan 2022
  • disclosed18 Sept 2017
  • creditUnknown

Introduced: 18 Sep 2017

CVE-2017-0380  (opens in a new tab)
CWE-532  (opens in a new tab)

How to fix?

Upgrade tor to version 0.2.9.1 or higher.

Overview

Affected versions of this package are vulnerable to Insertion of Sensitive Information into Log File. The rend_service_intro_established function in or/rendservice.c in Tor before 0.2.8.15, 0.2.9.x before 0.2.9.12, 0.3.0.x before 0.3.0.11, 0.3.1.x before 0.3.1.7, and 0.3.2.x before 0.3.2.1-alpha, when SafeLogging is disabled, allows attackers to obtain sensitive information by leveraging access to the log files of a hidden service, because uninitialized stack data is included in an error message about construction of an introduction point circuit.

CVSS Scores

version 3.1