Debian Security Advisory

DSA-3773-1 openssl -- security update

Date Reported:
27 Jan 2017
Affected Packages:
Security database references:
In Mitre's CVE dictionary: CVE-2016-7056, CVE-2016-8610, CVE-2017-3731.
More information:

Several vulnerabilities were discovered in OpenSSL:

  • CVE-2016-7056

    A local timing attack was discovered against ECDSA P-256.

  • CVE-2016-8610

    It was discovered that no limit was imposed on alert packets during an SSL handshake.

  • CVE-2017-3731

    Robert Swiecki discovered that the RC4-MD5 cipher when running on 32 bit systems could be forced into an out-of-bounds read, resulting in denial of service.

For the stable distribution (jessie), these problems have been fixed in version 1.0.1t-1+deb8u6.

For the unstable distribution (sid), these problems have been fixed in version 1.1.0d-1 of the openssl source package and in version 1.0.2k-1 of the openssl1.0 source package.

We recommend that you upgrade your openssl packages.