CVE-2011-1094: Input Validation
First published: Wed Mar 16 2011(Updated: )
kio/kio/tcpslavebase.cpp in KDE KSSL in kdelibs before 4.6.1 does not properly verify that the server hostname matches the domain name of the subject of an X.509 certificate, which allows man-in-the-middle attackers to spoof arbitrary SSL servers via a certificate issued by a legitimate Certification Authority for an IP address, a different vulnerability than CVE-2009-2702.
Credit: secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| KDE kdelibs | <=4.6 | |
| KDE kdelibs | =3.5.10 | |
| KDE kdelibs | =3.5.2 | |
| KDE kdelibs | =3.5.9 |
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Reference Links
- http://openwall.com/lists/oss-security/2011/03/08/13
- http://openwall.com/lists/oss-security/2011/03/08/20
- https://projects.kde.org/projects/kde/kdelibs/repository/revisions/76f935197599a335a5fe09b78751ddb455248cf7
- http://www.securityfocus.com/bid/46789
- http://www.mandriva.com/security/advisories?name=MDVSA-2011:071
- http://www.ubuntu.com/usn/USN-1110-1
- http://secunia.com/advisories/44108
- http://www.vupen.com/english/advisories/2011/0990
- http://www.vupen.com/english/advisories/2011/0913
- https://exchange.xforce.ibmcloud.com/vulnerabilities/65986
Frequently Asked Questions
What is the severity of CVE-2011-1094?
CVE-2011-1094 is considered to be a high severity vulnerability due to the potential for man-in-the-middle attacks.
How do I fix CVE-2011-1094?
To fix CVE-2011-1094, upgrade kdelibs to version 4.6.1 or later.
What type of attack is enabled by CVE-2011-1094?
CVE-2011-1094 allows man-in-the-middle attackers to spoof SSL servers.
Which versions of kdelibs are affected by CVE-2011-1094?
CVE-2011-1094 affects kdelibs versions prior to 4.6.1 and specifically versions 3.5.2, 3.5.9, and 3.5.10.
What component of KDE is impacted by CVE-2011-1094?
CVE-2011-1094 impacts the kio/kio/tcpslavebase.cpp component of KDE KSSL.
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