OpenSSL - Security Update
Summary
DSA-3413-1: openssl - security update. Affects openssl versions < 1.0.1e-2+deb7u18. Fixed in 1.0.1e-2+deb7u18. How to fix ↓
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Background
OpenSSL is a Secure Sockets Layer (SSL) toolkit that provides support for secure communication over networks. It is widely used in various applications, including web servers, email servers, and VPNs. The OpenSSL library implements the SSL and TLS protocols, which are essential for establishing secure connections between clients and servers. However, multiple vulnerabilities have been discovered in OpenSSL, which could potentially lead to security breaches and denial of service attacks.
Vulnerability Detail
The identified vulnerabilities in OpenSSL include:
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CVE-2015-3194: This vulnerability allows a remote attacker to crash certificate verification operations and mount a denial of service attack by exploiting a flaw in the signature verification routines.
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CVE-2015-3195: This vulnerability causes memory leaks when OpenSSL encounters a malformed X509_ATTRIBUTE structure.
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CVE-2015-3196: A race condition flaw in the handling of PSK identify hints can lead to a double free of the identity hint data.
These vulnerabilities pose significant risks to the integrity and availability of systems using OpenSSL.
How To Fix
Minimum fixed version
1.0.1e-2+deb7u18
This is the first release that contains the fix.
sudo apt-get install --only-upgrade opensslTip — Not sure which version your app runs? Vulert can match this fix to it. Scan free →
Conclusion
OpenSSL has been found to have multiple vulnerabilities that can lead to security breaches and denial of service attacks. To ensure the security of your system, it is crucial to upgrade the OpenSSL packages to the recommended versions. For further assistance and support in vulnerability remediation, you can contact DevNack.com.
See every vulnerability recorded for openssl →
FAQ
OpenSSL is a Secure Sockets Layer (SSL) toolkit that provides support for secure communication over networks. It is widely used in various applications, including web servers, email servers, and VPNs.
These vulnerabilities can lead to security breaches and denial of service attacks. Exploiting these vulnerabilities, an attacker can crash certificate verification operations, leak memory, and cause a double free of data.
To fix these vulnerabilities, it is recommended to upgrade the OpenSSL packages to the specified versions for your distribution.
No specific workarounds have been mentioned for these vulnerabilities. It is advised to apply the recommended package updates.
You can find more information about these vulnerabilities in the Common Vulnerabilities and Exposures (CVE) database. The CVE IDs for the identified vulnerabilities are CVE-2015-3194, CVE-2015-3195, and CVE-2015-3196.
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