CVE-2009-2700

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.

How to fix CVE-2009-2700

To remediate CVE-2009-2700, upgrade the affected package to a fixed version below.

• Debian/qt4-x11—upgrade to 4:4.5.3-1 or later

Is CVE-2009-2700 being exploited?

Low — EPSS is 0.3%, meaning exploitation activity has not been observed at scale.

Affected packages (1)

• from 0, < 4:4.5.3-1

References (7)

• ADVISORYsecunia.com/advisories/36536
• ADVISORYsecunia.com/advisories/36702
• ADVISORYwww.mandriva.com/security/advisories?name=MDVSA-2009:225
• ADVISORYwww.ubuntu.com/usn/usn-829-1
• ADVISORYwww.vupen.com/english/advisories/2009/2499