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Debian: DSA-3500-1 Critical: OpenSSL Memory Leak And Side-Channel Issues

debian
Calendar Grey March 1, 2016
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Debian Security Notice DSA-3501-1 highlights several security flaws in the Linux kernel. Update is advised.
Several vulnerabilities were discovered in OpenSSL, a Secure Socket Layer toolkit

Summary

CVE-2016-0702

Yuval Yarom from the University of Adelaide and NICTA, Daniel Genkin
from Technion and Tel Aviv University, and Nadia Heninger from the
University of Pennsylvania discovered a side-channel attack which
makes use of cache-bank conflicts on the Intel Sandy-Bridge
microarchitecture. This could allow local attackers to recover RSA
private keys.

CVE-2016-0705

Adam Langley from Google discovered a double free bug when parsing
malformed DSA private keys. This could allow remote attackers to
cause a denial of service or memory corruption in applications
parsing DSA private keys received from untrusted sources.

CVE-2016-0797

Guido Vranken discovered an integer overflow in the BN_hex2bn and
BN_dec2bn functions that can lead to a NULL pointer dereference and
heap corruption. This could allow remote attackers to cause a denial
of service or memory corruption in applications processing hex or
dec data received from untrusted sources.

CVE-20...

Read the Full Advisory

Severity
critical
Lowest
Low
Medium
High
Critical

Package: openssl
CVE ID: CVE-2016-0702 CVE-2016-0705 CVE-2016-0797 CVE-2016-0798

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