CVE-2017-8823

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Summary

CVECVE-2017-8823
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2017-12-03 07:29:00 UTC
Updated2017-12-21 18:01:00 UTC
DescriptionIn Tor before 0.2.5.16, 0.2.6 through 0.2.8 before 0.2.8.17, 0.2.9 before 0.2.9.14, 0.3.0 before 0.3.0.13, and 0.3.1 before 0.3.1.9, there is a use-after-free in onion service v2 during intro-point expiration because the expiring list is mismanaged in certain error cases, aka TROVE-2017-013.

Risk And Classification

Problem Types: CWE-416

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Debian Debian Linux 8.0 All All All
Operating System Debian Debian Linux 9.0 All All All
Operating System Debian Debian Linux 8.0 All All All
Operating System Debian Debian Linux 9.0 All All All
Application Tor Project Tor All All All All
Application Tor Project Tor All All All All

References

ReferenceSourceLinkTags
#24313 (Crash: died: Caught signal 11 [crash from rend_consider_services_intro_points]) – Tor Bug Tracker & Wiki CONFIRM bugs.torproject.org Issue Tracking, Vendor Advisory
Debian -- Security Information -- DSA-4054-1 tor DEBIAN www.debian.org Third Party Advisory
New stable Tor releases, with security fixes: 0.3.1.9, 0.3.0.13, 0.2.9.14, 0.2.8.17, 0.2.5.16 | Tor Blog CONFIRM blog.torproject.org Vendor Advisory
#24430 (Fix TROVE-2017-013: Use-after-free in onion service v2 when rotating intro points) – Tor Bug Tracker & Wiki CONFIRM bugs.torproject.org Vendor Advisory
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