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Vulnerability Assessment & Network Security Forums |
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If through a vulnerability assessment, a network security issue is detected for the vulnerability below, applying the appropriate security patches in a timely matter is very important. If you have detected that your system has already been compromised, following CERT's Network Security recovery document will assist with recommended steps for system recovery. Home >> Browse Vulnerability Assessment Database >> Debian Local Security Checks >> [DSA288] DSA-288-1 openssl Vulnerability Assessment Details
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[DSA288] DSA-288-1 openssl |
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DSA-288-1 openssl Detailed Explanation for this Vulnerability Assessment Researchers discovered two flaws in OpenSSL, a Secure Socket Layer (SSL) library and related cryptographic tools. Applications that are linked against this library are generally vulnerable to attacks that could leak the server's private key or make the encrypted session decryptable otherwise. The Common Vulnerabilities and Exposures (CVE) project identified the following vulnerabilities: For the stable distribution (woody) these problems have been fixed in version 0.9.6c-2.woody.3. For the old stable distribution (potato) these problems have been fixed in version 0.9.6c-0.potato.6. For the unstable distribution (sid) these problems have been fixed in version 0.9.7b-1 of openssl and version 0.9.6j-1 of openssl096. We recommend that you upgrade your openssl packages immediately and restart the applications that use OpenSSL. Unfortunately, RSA blinding is not thread-safe and will cause failures for programs that use threads and OpenSSL such as stunnel. However, since the proposed fix would change the binary interface (ABI), programs that are dynamically linked against OpenSSL won't run anymore. This is a dilemma we can't solve. You will have to decide whether you want the security update which is not thread-safe and recompile all applications that apparently fail after the upgrade, or fetch the additional source packages at the end of this advisory, recompile it and use a thread-safe OpenSSL library again, but also recompile all applications that make use of it (such as apache-ssl, mod_ssl, ssh etc.). However, since only very few packages use threads and link against the OpenSSL library most users will be able to use packages from this update without any problems. Solution : http://www.debian.org/security/2003/dsa-288 Network Security Threat Level: High Networks Security ID: 7101, 7148 Vulnerability Assessment Copyright: This script is (C) 2005 Michel Arboi |
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