Tor up to 0.1.1.14 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-$5k0.00

Summaryinfo

A vulnerability has been found in Tor up to 0.1.1.14 and classified as problematic. This impacts an unknown function. The manipulation leads to information disclosure. This vulnerability is listed as CVE-2011-2769. There is no available exploit. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in Tor up to 0.1.1.14 (Network Encryption Software) and classified as problematic. This issue affects an unknown part. 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. The summary by CVE is:

Tor before 0.2.2.34, when configured as a bridge, accepts the CREATE and CREATE_FAST values in the Command field of a cell within an OR connection that it initiated, which allows remote relays to enumerate bridges by using these values.

The weakness was presented 12/22/2011 (Website). It is possible to read the advisory at blog.torproject.org. The identification of this vulnerability is CVE-2011-2769. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1592 according to MITRE ATT&CK.

The vulnerability scanner Nessus provides a plugin with the ID 56670 (Debian DSA-2331-1 : tor - several vulnerabilities), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Debian Local Security Checks.

Upgrading to version 0.1.1.15 eliminates this vulnerability.

The vulnerability is also documented in the databases at X-Force (71022), Tenable (56670), SecurityFocus (BID 50414†) and Vulnerability Center (SBV-33739†). See VDB-59785, VDB-59784 and VDB-59782 for similar entries. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

Name

Version

License

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

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

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-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Nessus ID: 56670
Nessus Name: Debian DSA-2331-1 : tor - several vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 70547
OpenVAS Name: Debian Security Advisory DSA 2331-1 (tor)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Tor 0.1.1.15

Timelineinfo

07/19/2011 🔍
10/27/2011 +100 days 🔍
10/28/2011 +1 days 🔍
11/08/2011 +11 days 🔍
12/22/2011 +44 days 🔍
12/22/2011 +0 days 🔍
03/23/2015 +1187 days 🔍
11/28/2021 +2442 days 🔍

Sourcesinfo

Advisory: DSA-2331
Status: Not defined
Confirmation: 🔍

CVE: CVE-2011-2769 (🔍)
GCVE (CVE): GCVE-0-2011-2769
GCVE (VulDB): GCVE-100-59783

OVAL: 🔍

X-Force: 71022
SecurityFocus: 50414 - Tor Directory Remote Information Disclosure Vulnerability Bridge Enumeration Weaknesses
Vulnerability Center: 33739 - Tor \x3C 0.2.2.34 Bridge Enumeration and Information Disclosure Vulnerabilities, Medium

See also: 🔍

Entryinfo

Created: 03/23/2015 16:50
Updated: 11/28/2021 13:36
Changes: 03/23/2015 16:50 (58), 04/04/2017 11:41 (9), 11/28/2021 13:23 (5), 11/28/2021 13:29 (1), 11/28/2021 13:36 (2)
Complete: 🔍
Cache ID: 216:1FA:103

Be aware that VulDB is the high quality source for vulnerability data.

Discussion

No comments yet. Languages: en.

Please log in to comment.

Interested in the pricing of exploits?

See the underground prices here!