Security readout for executives and security teams
CVE-2017-0375 is an availability issue in older Tor hidden-service deployments. A malformed BEGIN cell can trigger an assertion failure and cause the Tor daemon to exit. The business impact is service interruption for affected hidden services, not documented data theft or code execution in the supplied sources. Exposure is limited to systems running Tor before 0.3.0.8 with hidden-service functionality. Organizations not operating Tor hidden services, or already upgraded to 0.3.0.8 or later, are unlikely to be affected based on the supplied sources. Treat this as a moderate availability risk for legacy Tor hidden-service infrastructure. It warrants prompt remediation where hidden services support business operations, but the supplied evidence does not justify emergency treatment for environments without affected Tor versions. Mitigation focus: Upgrade Tor hidden-service systems to Tor 0.3.0.8 or later.; Review Tor Project guidance for any supported release-specific remediation.; Prioritize externally reachable or business-critical hidden services first..
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
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ATT&CK lookup starting points
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CVE-2017-0375 mapping review
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Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
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CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- https://trac.torproject.org/projects/tor/ticket/22493CVE reference · x_refsource_CONFIRM
- https://lists.torproject.org/pipermail/tor-announce/2017-June/000131.htmlCVE reference · x_refsource_CONFIRM
- https://github.com/torproject/tor/commit/79b59a2dfcb68897ee89d98587d09e55f07e68d7CVE reference · x_refsource_CONFIRM
Products and packages named in the record
CWE details
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