Improper input validation in Qt
CVE-2009-2700
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.
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
Published · last modified .
CVSS v2 metric
CVSS v2 base score 4.3 (Medium). Vector: AV:N/AC:M/Au:N/C:N/I:P/A:N. This CVE predates CVSS v3 and has no v3 score from NVD.
EPSS exploit prediction
EPSS: 0.009 (59.4th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 59th percentile — 59.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.009 · newest: 0.009 · change: 0.000
Affected products
- Qt — versions 4.0.0, 4.0.1, 4.1.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- secunia.com/advisories/36702 (Vendor Advisory, third-party-advisory)
- www.securityfocus.com/bid/36203 (vdb-entry)
- qt.gitorious.org/qt/qt/commit/802d8c02eaa0aa9cd8d0c6cbd18cd814e6337bc6
- www.mandriva.com/security/advisories (vendor-advisory)
- www.ubuntu.com/usn/usn-829-1 (vendor-advisory)
- www.vupen.com/english/advisories/2009/2499 (vdb-entry, Vendor Advisory)
- secunia.com/advisories/36536 (Vendor Advisory, third-party-advisory)
Frequently asked questions
- What is CVE-2009-2700?
- CVE-2009-2700 is a vulnerability in Qt, classified under Improper Input Validation. Published 2009-09-02.
- Is CVE-2009-2700 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.