Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

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CVE-2009-2700

Severity CVSS v4.0:
Pending analysis
Type:
CWE-20 Input Validation
Publication date:
02/09/2009
Last modified:
09/04/2025

Description

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.

Impact

Vector 2.0
AV:N/AC:M/Au:N/C:N/I:P/A:N CVSS v2.0 Severity and Metrics:

Base Score: 4.30 MEDIUM
Vector: AV:N/AC:M/Au:N/C:N/I:P/A:N

Attack Vector (AV): Network
Attack Complexity (AC): Medium
Authentication (Au): None
Confidentiality (C): None
Integrity (I): Physical
Availability (A): None

Base Score 2.0
4.30
Severity 2.0
MEDIUM

Vulnerable products and versions

CPE From Up to
cpe:2.3:a:qt:qt:4.0.0:*:*:*:*:*:*:*
cpe:2.3:a:qt:qt:4.0.1:*:*:*:*:*:*:*
cpe:2.3:a:qt:qt:4.1.0:*:*:*:*:*:*:*
cpe:2.3:a:qt:qt:4.1.1:*:*:*:*:*:*:*
cpe:2.3:a:qt:qt:4.1.2:*:*:*:*:*:*:*
cpe:2.3:a:qt:qt:4.1.3:*:*:*:*:*:*:*
cpe:2.3:a:qt:qt:4.1.4:*:*:*:*:*:*:*
cpe:2.3:a:qt:qt:4.1.5:*:*:*:*:*:*:*
cpe:2.3:a:qt:qt:4.2.0:*:*:*:*:*:*:*
cpe:2.3:a:qt:qt:4.2.1:*:*:*:*:*:*:*
cpe:2.3:a:qt:qt:4.2.3:*:*:*:*:*:*:*
cpe:2.3:a:qt:qt:4.3.0:*:*:*:*:*:*:*
cpe:2.3:a:qt:qt:4.3.1:*:*:*:*:*:*:*
cpe:2.3:a:qt:qt:4.3.2:*:*:*:*:*:*:*
cpe:2.3:a:qt:qt:4.3.3:*:*:*:*:*:*:*

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools