Banu Tinyproxy up to 1.8.2 Access Restriction conf.c numeric error

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

Summaryinfo

A vulnerability labeled as critical has been found in Banu Tinyproxy up to 1.8.2. The impacted element is an unknown function of the file conf.c of the component Access Restriction. Such manipulation leads to numeric error. This vulnerability is traded as CVE-2011-1843. There is no exploit available. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in Banu Tinyproxy up to 1.8.2 (Firewall Software). It has been rated as critical. Affected by this issue is an unknown part of the file conf.c of the component Access Restriction. The manipulation with an unknown input leads to a numeric error vulnerability. Using CWE to declare the problem leads to CWE-189. Impacted is confidentiality, integrity, and availability. CVE summarizes:

Integer overflow in conf.c in Tinyproxy before 1.8.3 might allow remote attackers to bypass intended access restrictions in opportunistic circumstances via a TCP connection, related to improper handling of invalid port numbers.

The weakness was shared 05/02/2011 (Website). The advisory is shared for download at banu.com. This vulnerability is handled as CVE-2011-1843 since 05/02/2011. The attack may be launched remotely. No form of authentication is required for exploitation. There are known technical details, but no exploit is available.

The vulnerability scanner Nessus provides a plugin with the ID 70052 (Fedora 20 : tinyproxy-1.8.3-1.fc20 (2013-16165)), 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 1.6.0 eliminates this vulnerability.

The vulnerability is also documented in the databases at Tenable (70052), SecurityFocus (BID 47715†) and Vulnerability Center (SBV-53286†). Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Vendor

Name

Version

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

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: 🔍

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: 70052
Nessus Name: Fedora 20 : tinyproxy-1.8.3-1.fc20 (2013-16165)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 866912
OpenVAS Name: Fedora Update for tinyproxy FEDORA-2013-16225
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Tinyproxy 1.6.0

Timelineinfo

05/02/2011 🔍
05/02/2011 +0 days 🔍
05/02/2011 +0 days 🔍
05/02/2011 +0 days 🔍
03/23/2015 +1421 days 🔍
10/07/2015 +198 days 🔍
11/05/2021 +2221 days 🔍

Sourcesinfo

Advisory: banu.com
Status: Not defined
Confirmation: 🔍

CVE: CVE-2011-1843 (🔍)
GCVE (CVE): GCVE-0-2011-1843
GCVE (VulDB): GCVE-100-57284
SecurityFocus: 47715
Vulnerability Center: 53286 - Tinyproxy before 1.8.3 Remote Security Bypass Vulnerability via a TCP Connection, Medium

Entryinfo

Created: 03/23/2015 16:50
Updated: 11/05/2021 12:28
Changes: 03/23/2015 16:50 (57), 02/03/2018 10:52 (8), 11/05/2021 12:28 (3)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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