Information Exposure Through Log Files Affecting tor package, versions <0.3.1.7-1


Severity

Recommended
0.0
medium
0
10

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Threat Intelligence

EPSS
1.54% (74th percentile)

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  • Snyk IDSNYK-ECHOLATEST-TOR-19166180
  • published22 Aug 2026
  • disclosed18 Sept 2017

Introduced: 18 Sep 2017

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

How to fix?

Upgrade Echo:latest tor to version 0.3.1.7-1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream tor package and not the tor package as distributed by Echo. See How to fix? for Echo:latest relevant fixed versions and status.

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.