Use-after-free vulnerability in Tor onion service v2 during intro-point expiration (TROVE-2017-013)

CVE-2017-8823 · MEDIUM Severity

AV:N/AC:M/AU:N/C:P/I:P/A:P

In 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.

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