5.0
MEDIUM
CVE-2011-1924
Tor Denial of Service Buffer Overflow
Description

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.

INFO

Published Date :

June 14, 2011, 5:55 p.m.

Last Modified :

Nov. 21, 2024, 1:27 a.m.

Remotely Exploitable :

Yes !

Impact Score :

2.9

Exploitability Score :

10.0
Affected Products

The following products are affected by CVE-2011-1924 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Tor tor
1 Torproject tor

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2011-1924 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2011-1924 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by af854a3a-2127-422b-91ae-364da2661108

    Nov. 21, 2024

    Action Type Old Value New Value
    Added Reference http://lists.fedoraproject.org/pipermail/package-announce/2011-June/061258.html
    Added Reference http://secunia.com/advisories/43548
    Added Reference http://secunia.com/advisories/44862
    Added Reference http://www.securityfocus.com/bid/46618
    Added Reference https://bugzilla.redhat.com/show_bug.cgi?id=705192
    Added Reference https://bugzilla.redhat.com/show_bug.cgi?id=705194
    Added Reference https://gitweb.torproject.org/tor.git/commit/43414eb98821d3b5c6c65181d7545ce938f82c8e
    Added Reference https://lists.torproject.org/pipermail/tor-announce/2011-February/000000.html
  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • Initial Analysis by [email protected]

    Jun. 15, 2011

    Action Type Old Value New Value
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

1.59 }} -0.20%

score

0.79971

percentile

CVSS2 - Vulnerability Scoring System
Access Vector
Access Complexity
Authentication
Confidentiality
Integrity
Availability