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Debian: DSA-3474-1 Critical: Libgcrypt20 Side-Channel Attack Risk

debian
Calendar Grey February 12, 2016
Scroller Debian
Debian Security Advisory DSA-3475-2 underscores an urgent update concerning libgcrypt30 because of a potential exposure of sensitive key materials.
Daniel Genkin, Lev Pachmanov, Itamar Pipman and Eran Tromer discovered that the ECDH secret decryption keys in applications using the libgcrypt20 library could be leaked via a side...
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security advisory critical risk debian side-channel attack libgcrypt20 secret key leak

Summary

See https://cs-people.bu.edu/tromer/ecdh/ for details.

For the stable distribution (jessie), this problem has been fixed in
version 1.6.3-2+deb8u1.

For the unstable distribution (sid), this problem has been fixed in
version 1.6.5-2.

We recommend that you upgrade your libgcrypt20 packages.

Further information about Debian Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://www.debian.org/security/



Severity
critical
Lowest
Low
Medium
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Critical

Package: libgcrypt20
CVE ID: CVE-2015-7511

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Topics Covered

security advisory critical risk debian side-channel attack libgcrypt20 secret key leak

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