Tor up to 0.1.1.14 numeric error

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.1$0-$5k0.00

A vulnerability classified as problematic was found in Tor up to 0.1.1.14 (Network Encryption Software). This vulnerability affects an unknown code. The manipulation with an unknown input leads to a numeric error vulnerability. The CWE definition for the vulnerability is CWE-189. As an impact it is known to affect availability. CVE summarizes:

Tor before 0.2.1.29 and 0.2.2.x before 0.2.2.21-alpha might allow remote attackers to cause a denial of service (assertion failure and daemon exit) via vectors related to malformed router caches and improper handling of integer values.

The weakness was released 01/19/2011 (Website). The advisory is shared for download at gitweb.torproject.org. This vulnerability was named CVE-2011-0493. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are neither technical details nor an exploit 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 (64864), Tenable (53901), SecurityFocus (BID 45953†) and Vulnerability Center (SBV-31905†). Entries connected to this vulnerability are available at VDB-56115, VDB-56114, VDB-56113 and VDB-56112. Once again VulDB remains the best 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
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Numeric error
CWE: CWE-189
CAPEC: 🔍
ATT&CK: 🔍

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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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 Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Tor 0.1.1.15

Timelineinfo

01/18/2011 🔍
01/19/2011 +1 days 🔍
01/19/2011 +0 days 🔍
01/19/2011 +0 days 🔍
06/20/2011 +152 days 🔍
03/19/2015 +1368 days 🔍
10/12/2021 +2399 days 🔍

Sourcesinfo

Advisory: 2352
Status: Not defined
Confirmation: 🔍

CVE: CVE-2011-0493 (🔍)
GCVE (CVE): GCVE-0-2011-0493
GCVE (VulDB): GCVE-100-56116
X-Force: 64864
SecurityFocus: 45953
Vulnerability Center: 31905 - Tor before 0.2.1.29 and 0.2.2.x before 0.2.2.21-alpha Remote Denial of Service Vulnerability, Medium

See also: 🔍

Entryinfo

Created: 03/19/2015 11:27 PM
Updated: 10/12/2021 03:34 PM
Changes: 03/19/2015 11:27 PM (57), 03/24/2017 12:02 PM (6), 10/12/2021 03:29 PM (5), 10/12/2021 03:34 PM (1)
Complete: 🔍
Cache ID: 18:255:40

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