drucken bookmarks versenden konfigurieren admin pdf Sicherheit: Zwei Probleme in OpenSSL
Name: |
Zwei Probleme in OpenSSL |
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ID: |
USN-1451-1 |
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Distribution: |
Ubuntu |
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Plattformen: |
Ubuntu 8.04 LTS, Ubuntu 10.04 LTS, Ubuntu 11.04, Ubuntu 11.10, Ubuntu 12.04 LTS |
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Datum: |
Fr, 25. Mai 2012, 08:29 |
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Referenzen: |
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2012-0884
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2012-2333 |
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Applikationen: |
OpenSSL |
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Originalnachricht |
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========================================================================== Ubuntu Security Notice USN-1451-1 May 24, 2012
openssl vulnerabilities ==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 12.04 LTS - Ubuntu 11.10 - Ubuntu 11.04 - Ubuntu 10.04 LTS - Ubuntu 8.04 LTS
Summary:
Applications using OpenSSL in certain situations could be made to crash or expose sensitive information.
Software Description: - openssl: Secure Socket Layer (SSL) cryptographic library and tools
Details:
Ivan Nestlerode discovered that the Cryptographic Message Syntax (CMS) and PKCS #7 implementations in OpenSSL returned early if RSA decryption failed. This could allow an attacker to expose sensitive information via a Million Message Attack (MMA). (CVE-2012-0884)
It was discovered that an integer underflow was possible when using TLS 1.1, TLS 1.2, or DTLS with CBC encryption. This could allow a remote attacker to cause a denial of service. (CVE-2012-2333)
Update instructions:
The problem can be corrected by updating your system to the following package versions:
Ubuntu 12.04 LTS: libssl1.0.0 1.0.1-4ubuntu5.2 openssl 1.0.1-4ubuntu5.2
Ubuntu 11.10: libssl1.0.0 1.0.0e-2ubuntu4.6 openssl 1.0.0e-2ubuntu4.6
Ubuntu 11.04: libssl0.9.8 0.9.8o-5ubuntu1.7 openssl 0.9.8o-5ubuntu1.7
Ubuntu 10.04 LTS: libssl0.9.8 0.9.8k-7ubuntu8.13 openssl 0.9.8k-7ubuntu8.13
Ubuntu 8.04 LTS: libssl0.9.8 0.9.8g-4ubuntu3.19 openssl 0.9.8g-4ubuntu3.19
After a standard system update you need to reboot your computer to make all the necessary changes.
References: http://www.ubuntu.com/usn/usn-1451-1 CVE-2012-0884, CVE-2012-2333
Package Information: https://launchpad.net/ubuntu/+source/openssl/1.0.1-4ubuntu5.2 https://launchpad.net/ubuntu/+source/openssl/1.0.0e-2ubuntu4.6 https://launchpad.net/ubuntu/+source/openssl/0.9.8o-5ubuntu1.7 https://launchpad.net/ubuntu/+source/openssl/0.9.8k-7ubuntu8.13 https://launchpad.net/ubuntu/+source/openssl/0.9.8g-4ubuntu3.19
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