Digia Qt 4.6.2 WebSockets readServerHandshake numeric error

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

A vulnerability, which was classified as critical, has been found in Digia Qt 4.6.2. This issue affects the function WebSocketHandshake::readServerHandshake of the component WebSockets. 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. The summary by CVE is:

Off-by-one error in the WebSocketHandshake::readServerHandshake function in websockets/WebSocketHandshake.cpp in WebCore in WebKit before r56380, as used in Qt and other products, allows remote websockets servers to cause a denial of service (memory corruption) or possibly have unspecified other impact via an upgrade header that is long and invalid.

The weakness was released 07/22/2010 by TippingPoint with TippingPoint's Zero Day Initiative as Bug 596494 as not defined bug report (Bugzilla). The advisory is shared at bugzilla.redhat.com. The identification of this vulnerability is CVE-2010-1766. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details are known, but no exploit is available.

The vulnerability scanner Nessus provides a plugin with the ID 47723 (Fedora 13 : qt-4.6.3-8.fc13 (2010-11011)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Fedora Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 118691 (Fedora Update for qt (FEDORA-2010-11011)).

Upgrading to version 4.6.2 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (47723). Entries connected to this vulnerability are available at 50806, 54830 and 54829.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
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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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VulDB Base Score: 🔍
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NVD Base Score: 🔍

Exploitinginfo

Class: Numeric error
CWE: CWE-189
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

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EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 47723
Nessus Name: Fedora 13 : qt-4.6.3-8.fc13 (2010-11011)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 862241
OpenVAS Name: Fedora Update for qt FEDORA-2010-11011
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Qt 4.6.2

Timelineinfo

05/06/2010 🔍
06/28/2010 +53 days 🔍
06/28/2010 +0 days 🔍
07/22/2010 +24 days 🔍
07/22/2010 +0 days 🔍
10/03/2010 +73 days 🔍
03/19/2015 +1628 days 🔍
09/20/2021 +2377 days 🔍

Sourcesinfo

Advisory: Bug 596494
Researcher: TippingPoint
Organization: TippingPoint's Zero Day Initiative
Status: Not defined
Confirmation: 🔍

CVE: CVE-2010-1766 (🔍)
Vulnerability Center: 27346 - WebCore in WebKit Before r56380 Remote DoS Vulnerability via Long and Invalid Upgrade Header, Medium
SecurityFocus: 41572 - WebKit 'WebSocketHandshake::readServerHandshake()' Memory Corruption Vulnerability
Secunia: 40557

See also: 🔍

Entryinfo

Created: 03/19/2015 14:37
Updated: 09/20/2021 21:01
Changes: 03/19/2015 14:37 (63), 03/06/2017 11:11 (10), 09/20/2021 20:53 (5), 09/20/2021 21:01 (1)
Complete: 🔍

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