What’s Vulnerable › Vulnerabilities
CVE-2017-0380
- Severity: medium (CVSS 5.9 v3.0)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 1.5% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2017-09-18 · updated 2026-06-17
- Weakness: CWE-532
Description
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.
Affected products
- torproject Tor: through 0.2.8.14; 0.2.9.0, 0.2.9.0-alpha, 0.2.9.1-alpha, 0.2.9.2-alpha, 0.2.9.3-alpha, 0.2.9.4-alpha (+24)
References
- http://www.debian.org/security/2017/dsa-3993
- http://www.securitytracker.com/id/1039519
- https://github.com/torproject/tor/commit/09ea89764a4d3a907808ed7d4fe42abfe64bd486
- https://trac.torproject.org/projects/tor/ticket/23490
- http://www.debian.org/security/2017/dsa-3993
- http://www.securitytracker.com/id/1039519
- https://github.com/torproject/tor/commit/09ea89764a4d3a907808ed7d4fe42abfe64bd486
- https://trac.torproject.org/projects/tor/ticket/23490
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