Debian Security Advisory
DSA-3959-1 libgcrypt20 -- security update
- Date Reported:
- 29 Aug 2017
- Affected Packages:
- Security database references:
- In the Debian bugtracking system: Bug 873383.
In Mitre's CVE dictionary: CVE-2017-0379.
- More information:
Daniel Genkin, Luke Valenta and Yuval Yarom discovered that Libgcrypt is prone to a local side-channel attack against the ECDH encryption with Curve25519, allowing recovery of the private key.
See https://eprint.iacr.org/2017/806 for details.
For the stable distribution (stretch), this problem has been fixed in version 1.7.6-2+deb9u2.
For the unstable distribution (sid), this problem has been fixed in version 1.7.9-1.
We recommend that you upgrade your libgcrypt20 packages.