CVE-2009-2702

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Summary

CVECVE-2009-2702
StatePUBLISHED
Assignermitre
Source PriorityCVE Program / NVD first with legacy fallback
Published2009-09-08 18:30:00 UTC
Updated2026-04-23 00:35:47 UTC
DescriptionKDE KSSL in kdelibs 3.5.4, 4.2.4, and 4.3 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.

Risk And Classification

Primary CVSS: v2.0 7.5 from [email protected]

AV:N/AC:L/Au:N/C:P/I:P/A:P

Problem Types: CWE-310 | n/a

CVSS v2.0 Breakdown

Access Vector
Network
Access Complexity
Low
Authentication
None
Confidentiality
Partial
Integrity
Partial
Availability
Partial

AV:N/AC:L/Au:N/C:P/I:P/A:P

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Kde Kdelibs 3.5.4 All All All
Application Kde Kdelibs 4.2.4 All All All
Application Kde Kdelibs 4.3 All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Na N/a affected n/a Not specified

References

ReferenceSourceLinkTags
Webmail : Solution de messagerie professionnelle - OVHcloud- OVH af854a3a-2127-422b-91ae-364da2661108 www.vupen.com Vendor Advisory
KDE KSSL NULL Character Certificate Spoofing Vulnerability - Secunia Advisories - Vulnerability Information - Secunia.com af854a3a-2127-422b-91ae-364da2661108 secunia.com Vendor Advisory
Bug 520661 – CVE-2009-2702 kdelibs: kssl incorrect verification of SSL certificate with NUL in subjectAltName af854a3a-2127-422b-91ae-364da2661108 bugzilla.redhat.com
Support / Security / Advisories / / MDVSA-2011:162 | Mandriva af854a3a-2127-422b-91ae-364da2661108 www.mandriva.com
Support / Security / Advisories / / MDVSA-2009:330 | Mandriva af854a3a-2127-422b-91ae-364da2661108 www.mandriva.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Vendor Comments And Credit

OrganizationPublishedContributorStatement
Red Hat2009-09-18Tomas HogerRed Hat is aware of this issue and is tracking it via the following bug: https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2009-2702 This issue did not affect kdelibs packages as shipped in Red Hat Enterprise Linux 3 and 4. The Red Hat Security Response Team has rated this issue as having low security impact, a future update may address this flaw in Red Hat Enterprise Linux 5.
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