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Debian Security Advisory DSA 2730-1 (gnupg - information leak)
Information
Severity
Severity
Family
Family
CVSSv2 Base
CVSSv2 Base
CVSSv2 Vector
CVSSv2 Vector
Solution Type
Solution Type
Created
Created
Modified
Modified
Summary
Yarom and Falkner discovered that RSA secret keys could be leaked via a side channel attack, where a malicious local user could obtain private key information from another user on the system. This update fixes this issue for the 1.4 series of GnuPG. GnuPG 2.x is affected through its use of the libgcrypt11 library, a fix for which will be published in DSA 2731.
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+squeeze2. For the stable distribution (wheezy), this problem has been fixed in version 1.4.12-7+deb7u1. For the unstable distribution (sid), this problem has been fixed in version 1.4.14-1. We recommend that you upgrade your gnupg packages.