CVE-2017-0380

medium

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.

References

https://trac.torproject.org/projects/tor/ticket/23490

https://github.com/torproject/tor/commit/09ea89764a4d3a907808ed7d4fe42abfe64bd486

http://www.securitytracker.com/id/1039519

http://www.debian.org/security/2017/dsa-3993

Details

Source: Mitre, NVD

Published: 2017-09-18

Updated: 2017-11-06

Risk Information

CVSS v2

Base Score: 4.3

Vector: CVSS2#AV:N/AC:M/Au:N/C:P/I:N/A:N

Severity: Medium

CVSS v3

Base Score: 5.9

Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

Severity: Medium