Tor up to 0.1.1.14 memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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7.0$0-$5k0.00

Summaryinfo

A vulnerability classified as critical was found in Tor up to 0.1.1.14. Affected by this issue is some unknown functionality. The manipulation results in memory corruption. This vulnerability is reported as CVE-2011-0427. No exploit exists. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in Tor up to 0.1.1.14 (Network Encryption Software). It has been classified as critical. Affected is an unknown function. The manipulation with an unknown input leads to a memory corruption vulnerability. CWE is classifying the issue as CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

Heap-based buffer overflow in 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 (memory corruption and application crash) or possibly execute arbitrary code via unspecified vectors.

The weakness was disclosed 01/19/2011 (Website). The advisory is shared for download at gitweb.torproject.org. This vulnerability is traded as CVE-2011-0427. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. There are neither technical details nor an exploit publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 51560 (FreeBSD : tor -- remote code execution and crash (38bdf10e-2293-11e0-bfa4-001676740879)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family FreeBSD Local Security Checks.

Upgrading to version 0.1.1.15 eliminates this vulnerability.

The vulnerability is also documented in the databases at X-Force (64748), Tenable (51560), SecurityFocus (BID 45832†), SecurityTracker (ID 1024980†) and Vulnerability Center (SBV-29332†). The entries VDB-56116, VDB-56114, VDB-56113 and VDB-56111 are pretty similar. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 7.0

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 51560
Nessus Name: FreeBSD : tor -- remote code execution and crash (38bdf10e-2293-11e0-bfa4-001676740879)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Port: 🔍

OpenVAS ID: 68986
OpenVAS Name: Debian Security Advisory DSA 2148-1 (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

01/12/2011 🔍
01/17/2011 +5 days 🔍
01/18/2011 +1 days 🔍
01/19/2011 +1 days 🔍
01/19/2011 +0 days 🔍
01/19/2011 +0 days 🔍
01/23/2011 +4 days 🔍
03/19/2015 +1516 days 🔍
12/01/2024 +3545 days 🔍

Sourcesinfo

Advisory: dsa-2148
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2011-0427 (🔍)
GCVE (CVE): GCVE-0-2011-0427
GCVE (VulDB): GCVE-100-56112

OVAL: 🔍

X-Force: 64748
SecurityFocus: 45832 - Tor Unspecified Buffer Overflow, Denial of Service and Information Disclosure Vulnerabilities
Secunia: 42905
SecurityTracker: 1024980
Vulnerability Center: 29332 - Tor Remote DoS or Arbitrary Code Execution Vulnerability, High

See also: 🔍

Entryinfo

Created: 03/19/2015 23:27
Updated: 12/01/2024 17:31
Changes: 03/19/2015 23:27 (60), 03/14/2017 11:42 (9), 10/12/2021 14:49 (6), 10/12/2021 14:52 (1), 10/12/2021 14:54 (1), 12/01/2024 17:31 (17)
Complete: 🔍
Cache ID: 216:B01:103

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