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)

EPSS: 0.009 (57.4th percentile) — read the EPSS interpretation.

Affected products

  • Qt — versions 4.0.0, 4.0.1, 4.1.0
  • N/a — versions n/a

Weakness classification (CWE)

Public proof-of-concept exploits

References

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.