National Cyber Awareness System

Vulnerability Summary for CVE-2011-1924

Overview

Buffer overflow in the policy_summarize function in or/policies.c in Tor before 0.2.1.30 allows remote attackers to cause a denial of service (directory authority crash) via a crafted policy that triggers creation of a long port list.

Impact

CVSS Severity (version 2.0):

CVSS Version 2 Metrics:

References to Advisories, Solutions, and Tools

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External Source: MLIST

Name: [tor-announce] 20110228 Tor 0.2.1.30 is released

Type: Patch Information

Hyperlink:https://lists.torproject.org/pipermail/tor-announce/2011-February/000000.html

External Source: CONFIRM

Name: https://gitweb.torproject.org/tor.git/commit/43414eb98821d3b5c6c65181d7545ce938f82c8e

Type: Patch Information

Hyperlink:https://gitweb.torproject.org/tor.git/commit/43414eb98821d3b5c6c65181d7545ce938f82c8e

External Source: CONFIRM

Name: https://bugzilla.redhat.com/show_bug.cgi?id=705192

Type: Patch Information

Hyperlink:https://bugzilla.redhat.com/show_bug.cgi?id=705192

External Source: CONFIRM

Name: https://bugzilla.redhat.com/show_bug.cgi?id=705194

Hyperlink:https://bugzilla.redhat.com/show_bug.cgi?id=705194

External Source: BID

Name: 46618

Hyperlink:http://www.securityfocus.com/bid/46618

External Source: SECUNIA

Name: 44862

Type: Advisory

Hyperlink:http://secunia.com/advisories/44862

External Source: SECUNIA

Name: 43548

Type: Advisory

Hyperlink:http://secunia.com/advisories/43548

External Source: FEDORA

Name: FEDORA-2011-7972

Hyperlink:http://lists.fedoraproject.org/pipermail/package-announce/2011-June/061258.html