4.3
CVSSv2

CVE-2017-0380

Published: 18/09/2017 Updated: 06/11/2017
CVSS v2 Base Score: 4.3 | Impact Score: 2.9 | Exploitability Score: 8.6
CVSS v3 Base Score: 5.9 | Impact Score: 3.6 | Exploitability Score: 2.2
VMScore: 383
Vector: AV:N/AC:M/Au:N/C:P/I:N/A:N

Vulnerability Summary

The rend_service_intro_established function in or/rendservice.c in Tor prior to 0.2.8.15, 0.2.9.x prior to 0.2.9.12, 0.3.0.x prior to 0.3.0.11, 0.3.1.x prior to 0.3.1.7, and 0.3.2.x prior to 0.3.2.1-alpha, when SafeLogging is disabled, allows malicious users 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.

Vulnerability Trend

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torproject tor 0.3.1.2

torproject tor 0.3.1.3

torproject tor 0.3.0.5

torproject tor 0.3.0.4

torproject tor 0.2.9.0

torproject tor 0.2.9.1

torproject tor 0.2.9.9

torproject tor 0.2.9.10

torproject tor 0.3.1.4

torproject tor 0.3.1.5

torproject tor 0.3.0.6

torproject tor 0.3.0.7

torproject tor 0.2.9.2

torproject tor 0.2.9.3

torproject tor 0.2.9.11

torproject tor

torproject tor 0.3.2

torproject tor 0.3.1.1

torproject tor 0.3.0.2

torproject tor 0.3.0.1

torproject tor 0.3.0.10

torproject tor 0.2.9.6

torproject tor 0.2.9.8

torproject tor 0.3.1.6

torproject tor 0.3.0.0

torproject tor 0.3.0.3

torproject tor 0.3.0.8

torproject tor 0.3.0.9

torproject tor 0.2.9.4

torproject tor 0.2.9.5

Vendor Advisories

Debian Bug report logs - #876221 log uninitialized stack in non-default configuration [CVE-2017-0380] Package: tor; Maintainer for tor is Peter Palfrader <weasel@debianorg>; Source for tor is src:tor (PTS, buildd, popcon) Reported by: Peter Palfrader <weasel@debianorg> Date: Tue, 19 Sep 2017 19:21:02 UTC Severity: ...
It was discovered that the Tor onion service could leak sensitive information to log files if the SafeLogging option is set to "0" The oldstable distribution (jessie) is not affected For the stable distribution (stretch), this problem has been fixed in version 02912-1 We recommend that you upgrade your tor packages ...