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CVE-2011-1924

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Date: June 14, 2011

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.

Language: C

Severity Score

Related Resources (11)

https://people.canonical.com/~ubuntu-security/cve/CVE-2011-1924
http://lists.fedoraproject.org/pipermail/package-announce/2011-June/061258.html
https://gitweb.torproject.org/tor.git/commit/43414eb98821d3b5c6c65181d7545ce938f82c8e
https://lists.torproject.org/pipermail/tor-announce/2011-February/000000.html
https://nvd.nist.gov/vuln/detail/CVE-2011-1924
http://secunia.com/advisories/43548
https://bugzilla.redhat.com/show_bug.cgi?id=705192
http://secunia.com/advisories/44862
http://www.securityfocus.com/bid/46618
https://bugzilla.redhat.com/show_bug.cgi?id=705194
https://www.mend.io/vulnerability-database/CVE-2011-1924

Severity Score

Weakness Type (CWE)

Buffer Errors

CWE-119

Top Fix

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CVSS v3

Base Score:
Attack Vector (AV):
Attack Complexity (AC):
Privileges Required (PR):
User Interaction (UI):
Scope (S):
Confidentiality (C): PARTIAL
Integrity (I): NONE
Availability (A): NONE

CVSS v2

Base Score:
Access Vector (AV):
Access Complexity (AC):
Authentication (AU):
Confidentiality (C): LOW
Integrity (I): LOW
Availability (A): NONE
Additional information:

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