vulnwire
5.9med

CVE-2017-0380

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…

Published 9 y ago · modified 4 mo ago · JSON

CVSS
5.9
v3.0 · NVD
CISA KEV
No
not known exploited
EPSS
1.5%
percentile 75%
Public exploits
0
none known

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.

Exploit prediction (EPSS)

1.54% probability of exploitation in the next 30 days, higher than 75% of all scored CVEs.

CVSS scores

Assigned byVersionScoreVector
NVD3.05.9CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
NVD2.04.3AV:N/AC:M/Au:N/C:P/I:N/A:N

Affected products

  • n/a Tor before 0.3.1.7

Classification

Weakness
  • CWE-532 Insertion of Sensitive Information into Log File

References

  • trac.torproject.org /projects/tor/ticket/23490 · x_refsource_CONFIRM, x_transferred
  • github.com /torproject/tor/commit/09ea89764a4d3a907808ed7d4fe42abfe64bd486 · x_refsource_CONFIRM, x_transferred
  • securitytracker.com /id/1039519 · vdb-entry, x_refsource_SECTRACK, x_transferred
  • debian.org /security/2017/dsa-3993 · vendor-advisory, x_refsource_DEBIAN, x_transferred

Sources

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