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Debian Security Advisory DSA 2475-1 (openssl)
Information
Severity
Severity
Family
Family
CVSSv2 Base
CVSSv2 Base
CVSSv2 Vector
CVSSv2 Vector
Solution Type
Solution Type
Created
Created
Modified
Modified
Summary
The remote host is missing an update to openssl announced via advisory DSA 2475-1.
Insight
Insight
It was discovered that openssl did not correctly handle explicit Initialization Vectors for CBC encryption modes, as used in TLS 1.1, 1.2, and DTLS. An incorrect calculation would lead to an integer underflow and incorrect memory access, causing denial of service (application crash.) For the stable distribution (squeeze), this problem has been fixed in version 0.9.8o-4squeeze13. For the testing distribution (wheezy), and the unstable distribution (sid), this problem has been fixed in version 1.0.1c-1.
Solution
Solution
We recommend that you upgrade your openssl packages.