Information disclosure in Torproject Tor
CVE-2017-0377
Tor 0.3.x before 0.3.0.9 has a guard-selection algorithm that only considers the exit relay (not the exit relay's family), which might allow remote attackers to defeat intended anonymity properties by leveraging the existence of large fami…
Vulnerability class: Information Disclosure
EPSS: 0.005 (65.3th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.
Affected products
- Torproject Tor — versions 0.3.0.1, 0.3.0.2, 0.3.0.3
- N/a Tor — versions Tor
Weakness classification (CWE)
References
- security@debian.org (x_refsource_CONFIRM, Issue Tracking, Vendor Advisory)
- security@debian.org (x_refsource_CONFIRM, Third Party Advisory)
- security@debian.org (x_refsource_CONFIRM, Release Notes, Vendor Advisory)
- security@debian.org (x_refsource_CONFIRM, Release Notes, Vendor Advisory)
- security@debian.org (x_refsource_CONFIRM, Patch, Third Party Advisory)
Frequently asked questions
- What is CVE-2017-0377?
- CVE-2017-0377 is a high-severity vulnerability in Torproject Tor, classified under Information Disclosure. CVSS score: 7.5/10. Published 2017-07-02.
- How severe is CVE-2017-0377?
- High severity. CVSS v3 base score is 7.5 out of 10.