Denial of Service Vulnerability in Tor's networkstatus_parse_vote_from_string Function

CVE-2012-3518 · MEDIUM Severity

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

The networkstatus_parse_vote_from_string function in routerparse.c in Tor before 0.2.2.38 does not properly handle an invalid flavor name, which allows remote attackers to cause a denial of service (out-of-bounds read and daemon crash) via a crafted (1) vote document or (2) consensus document.

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