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Last updated: 10/21/2014 5:48:39 PM

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Vulnerability Summary for CVE-2012-6093

Original release date: 02/24/2013
Last revised: 02/25/2013
Source: US-CERT/NIST

Overview

The QSslSocket::sslErrors function in Qt before 4.6.5, 4.7.x before 4.7.6, 4.8.x before 4.8.5, when using certain versions of openSSL, uses an "incompatible structure layout" that can read memory from the wrong location, which causes Qt to report an incorrect error when certificate validation fails and might cause users to make unsafe security decisions to accept a certificate.

Impact

CVSS Severity (version 2.0):
CVSS v2 Base Score: 4.3 (MEDIUM) (AV:N/AC:M/Au:N/C:P/I:N/A:N) (legend)
Impact Subscore: 2.9
Exploitability Subscore: 8.6
CVSS Version 2 Metrics:
Access Vector: Network exploitable
Access Complexity: Medium
Authentication: Not required to exploit
Impact Type: Allows unauthorized disclosure of information

References to Advisories, Solutions, and Tools

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External Source: SUSE
Name: openSUSE-SU-2013:0211
External Source: MLIST
Name: [Announce] 20130102 Qt Project Security Advisory: QSslSocket may report incorrect errors when certificate verification fails
Type: Advisory
External Source: CONFIRM
Name: http://qt.gitorious.org/qt/qt/commit/3b14dc93cf0ef06f1424d7d6319a1af4505faa53%20%284.7%29
External Source: CONFIRM
Name: http://qt.gitorious.org/qt/qt/commit/691e78e5061d4cbc0de212d23b06c5dffddf2098%20%284.8%29
External Source: MISC
Name: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=697582
External Source: MISC
Name: https://bugzilla.redhat.com/show_bug.cgi?id=891955
External Source: CONFIRM
Name: https://codereview.qt-project.org/#change,42461
External Source: SECUNIA
Name: 52217
Type: Advisory
External Source: SUSE
Name: openSUSE-SU-2013:0204
External Source: SUSE
Name: openSUSE-SU-2013:0256
External Source: MLIST
Name: [oss-security] 20130104 Re: CVE Request -- qt: QSslSocket might report inappropriate errors when certificate verification fails
External Source: UBUNTU
Name: USN-1723-1

Technical Details

Vulnerability Type (View All)