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Debian Security Advisory DSA 2821-1 (gnupg - side channel attack)
Information
Severity
Severity
Family
Family
CVSSv2 Base
CVSSv2 Base
CVSSv2 Vector
CVSSv2 Vector
Solution Type
Solution Type
Created
Created
Modified
Modified
Summary
Genkin, Shamir and Tromer discovered that RSA key material could be extracted by using the sound generated by the computer during the decryption of some chosen ciphertexts.
Affected Software
Affected Software
gnupg on Debian Linux
Detection Method
Detection Method
This check tests the installed software version using the apt package manager.
Solution
Solution
For the oldstable distribution (squeeze), this problem has been fixed in version 1.4.10-4+squeeze4. For the stable distribution (wheezy), this problem has been fixed in version 1.4.12-7+deb7u3. For the unstable distribution (sid), this problem has been fixed in version 1.4.15-3. We recommend that you upgrade your gnupg packages.