Information Exposure Through Log Files Affecting tor package, versions <0.3.1.7-1
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Start learning- Snyk IDSNYK-DEBIAN12-TOR-1561403
- published18 Sept 2017
- disclosed18 Sept 2017
Introduced: 18 Sep 2017
CVE-2017-0380 (opens in a new tab)How to fix?
Upgrade Debian:12 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 Debian.
See How to fix? for Debian:12 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.
References
- https://security-tracker.debian.org/tracker/CVE-2017-0380
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-0380
- http://www.debian.org/security/2017/dsa-3993
- https://github.com/torproject/tor/commit/09ea89764a4d3a907808ed7d4fe42abfe64bd486
- https://trac.torproject.org/projects/tor/ticket/23490
- http://www.securitytracker.com/id/1039519
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2017-0380