Digia Qt up to 4.8.4 input validation

CVSS Meta Temp Score
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CTI Interest Score
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5.3$0-$5k0.00

A vulnerability classified as critical has been found in Digia Qt. Affected is an unknown code. The manipulation with an unknown input leads to a input validation vulnerability. CWE is classifying the issue as CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. This is going to have an impact on integrity. CVE summarizes:

src/network/ssl/qsslcertificate.cpp in Nokia Trolltech Qt 4.x does not properly handle a \0 character in a domain name in the Subject Alternative Name field of an X.509 certificate, which allows man-in-the-middle attackers to spoof arbitrary SSL servers via a crafted certificate issued by a legitimate Certification Authority, a related issue to CVE-2009-2408.

The weakness was presented 09/02/2009 (Website). The advisory is shared for download at vupen.com. This vulnerability is traded as CVE-2009-2700. 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 42793 (SuSE 11 Security Update : libqt4 (SAT Patch Number 1522)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family SuSE Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 175067 (Debian Security Update for Qt4-x11 (DSA-1988)).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the databases at Tenable (42793), SecurityFocus (BID 36203†) and Vulnerability Center (SBV-23399†). See VDB-48538, VDB-48537, VDB-48536 and VDB-48524 for similar entries.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.3

VulDB Base Score: 5.3
VulDB Temp Score: 5.3
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: Input validation
CWE: CWE-20
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: 42793
Nessus Name: SuSE 11 Security Update : libqt4 (SAT Patch Number 1522)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Port: 🔍

OpenVAS ID: 66264
OpenVAS Name: Fedora Core 10 FEDORA-2009-11488 (qt)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

08/05/2009 🔍
08/28/2009 +23 days 🔍
08/28/2009 +0 days 🔍
09/02/2009 +5 days 🔍
09/02/2009 +0 days 🔍
09/06/2009 +4 days 🔍
11/13/2009 +68 days 🔍
03/18/2015 +1951 days 🔍
08/20/2021 +2347 days 🔍

Sourcesinfo

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

CVE: CVE-2009-2700 (🔍)
OVAL: 🔍

SecurityFocus: 36203 - Qt NULL Character CA SSL Certificate Validation Security Bypass Vulnerability
Vulnerability Center: 23399 - Nokia Trolltech Qt 4.* Allows Man-in-the-Middle SSL Servers Spoofing Vulnerability, Medium

See also: 🔍

Entryinfo

Created: 03/18/2015 03:15 PM
Updated: 08/20/2021 09:44 PM
Changes: 03/18/2015 03:15 PM (59), 02/13/2017 04:16 PM (9), 08/20/2021 09:32 PM (4), 08/20/2021 09:44 PM (1)
Complete: 🔍
Cache ID: 18:0CE:40

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