SSL certificate verification weakness in kdelibs
Summary
DSA-1916-1: kdelibs - SSL certificate verification weakness. Affects kdelibs versions < 4:3.5.5a.dfsg.1-8etch3. Fixed in 4:3.5.5a.dfsg.1-8etch3. How to fix ↓
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Background
kdelibs is a set of core libraries from the official KDE release. These libraries provide essential functionality for KDE applications, including handling SSL/TLS connections. kdelibs is vulnerable to a weakness in SSL certificate verification, which can be exploited by attackers to spoof SSL servers.
Vulnerability Detail
The vulnerability in kdelibs arises from its improper handling of a '\0' character in the Subject Alternative Name field of an X.509 certificate. This weakness allows a man-in-the-middle attacker to create a crafted certificate issued by a legitimate Certification Authority, which can then be used to impersonate arbitrary SSL servers. This can lead to various security risks, including interception of sensitive data and unauthorized access to secure services.
How To Fix
Minimum fixed version
4:3.5.5a.dfsg.1-8etch3
This is the first release that contains the fix.
sudo apt-get install --only-upgrade kdelibsTip — Not sure which version your app runs? Vulert can match this fix to it. Scan free →
Workaround
There is no specific workaround mentioned for this vulnerability. The recommended course of action is to apply the available security patches by upgrading the kdelibs package.
Conclusion
The SSL certificate verification weakness in kdelibs can be a serious security risk, allowing attackers to impersonate SSL servers. It is crucial to upgrade the kdelibs package to a fixed version to mitigate this vulnerability. For further support on vulnerability remediation, you can contact DevNack.com.
See every vulnerability recorded for kdelibs →
FAQ
kdelibs is a set of core libraries from the official KDE release. These libraries provide essential functionality for KDE applications, including handling SSL/TLS connections.
This vulnerability allows man-in-the-middle attackers to spoof SSL servers, potentially leading to interception of sensitive data and unauthorized access to secure services.
To fix this vulnerability, it is recommended to upgrade the kdelibs package to a version that includes the necessary security patches. Please refer to the official Debian security advisory for detailed instructions.
There is no specific workaround mentioned for this vulnerability. The recommended course of action is to apply the available security patches by upgrading the kdelibs package.
You can find more information about this vulnerability in the official Debian security advisory DSA-1916-1.
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