VDB-59786 · CVE-2011-4896 · GCVE-0-2011-4896

Tor up to 0.1.1.14 Monitoring information disclosure

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
5.1	$0-$5k	0.00

Summaryinfo

A vulnerability was found in Tor up to 0.1.1.14. It has been declared as problematic. Affected by this issue is some unknown functionality of the component Monitoring. Such manipulation leads to information disclosure. This vulnerability is documented as CVE-2011-4896. There is not any exploit available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in Tor up to 0.1.1.14 (Network Encryption Software). It has been rated as problematic. Affected by this issue is some unknown processing of the component Monitoring. The manipulation with an unknown input leads to a information disclosure vulnerability. Using CWE to declare the problem leads to CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. Impacted is confidentiality. CVE summarizes:

Tor before 0.2.2.24-alpha continues to use a reachable bridge that was previously configured but is not currently configured, which might allow remote attackers to obtain sensitive information about clients in opportunistic circumstances by monitoring network traffic to the bridge port.

The weakness was released 12/22/2011 (Website). The advisory is available at blog.torproject.org. This vulnerability is handled as CVE-2011-4896 since 12/22/2011. The attack may be launched remotely. No form of authentication is required for exploitation. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1592 by the MITRE ATT&CK project.

Upgrading to version 0.1.1.15 eliminates this vulnerability.

Entries connected to this vulnerability are available at VDB-59787, VDB-59785, VDB-59784 and VDB-59783. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

Network Encryption Software

Name

Version

License

open-source

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.1

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Information disclosure
CWE: CWE-200 / CWE-284 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Tor 0.1.1.15

Timelineinfo

12/22/2011 🔍
12/22/2011 +0 days 🔍
12/22/2011 +0 days 🔍
03/23/2015 +1187 days 🔍
02/13/2019 +1423 days 🔍

Sourcesinfo

Advisory: blog.torproject.org
Status: Not defined
Confirmation: 🔍

CVE: CVE-2011-4896 (🔍)
GCVE (CVE): GCVE-0-2011-4896
GCVE (VulDB): GCVE-100-59786
See also: 🔍

Entryinfo

Created: 03/23/2015 16:50
Updated: 02/13/2019 10:49
Changes: 03/23/2015 16:50 (48), 02/13/2019 10:49 (2)
Complete: 🔍
Cache ID: 216:C46:103

If you want to get best quality of vulnerability data, you may have to visit VulDB.