CVE-2017-0380: torproject tor
Vulnerability summary
CVE-2017-0380 is a medium (CVSS 5.9) vulnerability in torproject tor. EPSS estimates a 1.54% chance of exploitation in the next 30 days, higher than 74.5% of scored vulnerabilities.
Advisory lineage
Upstream 0 · Downstream 1 · Related 1Timeline
- 18-09-2017PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
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.
CVSS metrics
4 scores · 3 sources · 2 versions- OSV · UbuntuEcosystem advisory · calculated5.9MediumCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
- OSV · DebianEcosystem advisory · calculated5.9MediumCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
EPSS trend
Probability
1.54%
Chance of exploitation in the next 30 days
Percentile
75%
Versus all other CVEs
30-day change
0.00 pp
From 1.54% on 19-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Mageia2 products
- tor< 0.2.8.15-1.mga5
- tor< 0.2.9.12-1.mga6
Debian1 product
- tor< 0.3.1.7-1 | < 0.2.9.12-1
Torproject1 product
- tor≤ 0.2.8.14 | 0.2.9.0 | 0.2.9.0:alpha | 0.2.9.1:alpha | 0.2.9.2:alpha | 0.2.9.3:alpha | 0.2.9.4:alpha | 0.2.9.5:alpha | 0.2.9.6 | 0.2.9.8 | 0.2.9.9 | 0.2.9.10 | 0.2.9.11 | 0.3.0.0 | 0.3.0.1:alpha | 0.3.0.2:alpha | 0.3.0.3:alpha | 0.3.0.4:rc | 0.3.0.5:rc | 0.3.0.6 | 0.3.0.7 | 0.3.0.8 | 0.3.0.9 | 0.3.0.10 | 0.3.1.1:alpha | 0.3.1.2:alpha | 0.3.1.3:alpha | 0.3.1.4:alpha | 0.3.1.5:alpha | 0.3.1.6:alpha | 0.3.2
Ubuntu1 product
- tor< 0.2.9.14-1ubuntu1~16.04.2
4 vendors · 5 products
References
11 links- trac.torproject.org/projects/tor/ticket/23490X Refsource CONFIRMMitigationPatchVendor AdvisoryREPORT
- github.com/torproject/tor/commit/09ea89764a4d3a907808ed7d4fe42abfe64bd486X Refsource CONFIRMPatchThird Party AdvisoryREPORT