CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
5.1 | $0-$5k | 0.00 |
A vulnerability classified as problematic has been found in Tor up to 0.1.1.14 (Network Encryption Software). This affects an unknown part. The manipulation with an unknown input leads to a resource management vulnerability. CWE is classifying the issue as CWE-399. This is going to have an impact on availability. The summary by CVE is:
Tor before 0.2.1.29 and 0.2.2.x before 0.2.2.21-alpha allows remote attackers to cause a denial of service (assertion failure and daemon exit) via blobs that trigger a certain file size, as demonstrated by the cached-descriptors.new file.
The weakness was published 01/19/2011 (Website). It is possible to read the advisory at trac.torproject.org. This vulnerability is uniquely identified as CVE-2011-0492. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. The technical details are unknown and an exploit is not publicly available.
The vulnerability scanner Nessus provides a plugin with the ID 53901 (Fedora 14 : tor-0.2.1.29-1400.fc14 (2011-0642)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Fedora Local Security Checks.
Upgrading to version 0.1.1.15 eliminates this vulnerability.
The vulnerability is also documented in the databases at X-Force (64867) and Tenable (53901).
Product
Type
Name
Version
- 0.1.1.0
- 0.1.1.1
- 0.1.1.2
- 0.1.1.3
- 0.1.1.4
- 0.1.1.5
- 0.1.1.6
- 0.1.1.7
- 0.1.1.8
- 0.1.1.9
- 0.1.1.10
- 0.1.1.11
- 0.1.1.12
- 0.1.1.13
- 0.1.1.14
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB CVSS-B Score: 🔍VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 5.3VulDB Meta Temp Score: 5.1
VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv2
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: 🔍
Exploiting
Class: Resource managementCWE: CWE-399 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍
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 |
Nessus ID: 53901
Nessus Name: Fedora 14 : tor-0.2.1.29-1400.fc14 (2011-0642)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
OpenVAS ID: 863090
OpenVAS Name: Fedora Update for tor FEDORA-2011-0642
OpenVAS File: 🔍
OpenVAS Family: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Upgrade: Tor 0.1.1.15
Timeline
01/18/2011 🔍01/19/2011 🔍
01/19/2011 🔍
01/19/2011 🔍
01/21/2011 🔍
06/20/2011 🔍
03/19/2015 🔍
10/12/2021 🔍
Sources
Advisory: 2326Status: Not defined
Confirmation: 🔍
CVE: CVE-2011-0492 (🔍)
X-Force: 64867
Vulnerability Center: 31914 - Tor Remote Denial of Service Vulnerability via Blobs that Trigger a Certain File Size, Medium
SecurityFocus: 45953 - Tor Multiple Denial of Service Vulnerabilities
Entry
Created: 03/19/2015 23:27Updated: 10/12/2021 15:24
Changes: 03/19/2015 23:27 (58), 03/24/2017 12:07 (8), 10/12/2021 15:17 (5), 10/12/2021 15:24 (1)
Complete: 🔍
Cache ID: 18:D2A:103
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