CVE-2017-0380

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.

• CWE-532

• http://www.debian.org/security/2017/dsa-3993
• http://www.securitytracker.com/id/1039519
• https://github.com/torproject/tor/commit/09ea89764a4d3a907808ed7d4fe42abfe64bd486Patch, Third Party Advisory
• https://trac.torproject.org/projects/tor/ticket/23490Mitigation, Patch, Vendor Advisory
• http://www.debian.org/security/2017/dsa-3993
• http://www.securitytracker.com/id/1039519
• https://github.com/torproject/tor/commit/09ea89764a4d3a907808ed7d4fe42abfe64bd486Patch, Third Party Advisory
• https://trac.torproject.org/projects/tor/ticket/23490Mitigation, Patch, Vendor Advisory

Published

Sep 18, 2017

Last Modified

Jun 17, 2026

Status

Modified

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