FreeBSD : Mbed TLS -- Side channel attack on ECDSA (bf1f47c4-7f1b-11ea-bf94-001cc0382b2f)

Manuel Pegourie-Gonnard reports : An attacker with access to precise enough timing and memory access information typically an untrusted operating system attacking a secure enclave such as SGX or the TrustZone secure world can fully recover an ECDSA private key after observing a number of signatur...

Amazon Linux AMI : qemu-kvm (ALAS-2019-1260) (MDSUM/RIDL) (MFBDS/RIDL/ZombieLoad) (MLPDS/RIDL) (MSBDS/Fallout)

Modern Intel microprocessors implement hardware-level micro-optimizations to improve the performance of writing data back to CPU caches. The write operation is split into STA STore Address and STD STore Data sub-operations. These sub-operations allow the processor to hand-off address generation...

Important: Red Hat Security Advisory: vdsm security update

An update for vdsm is now available for Red Hat Virtualization 4.2 for Red Hat Enterprise Linux 7.6 Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed...

Important: Red Hat Security Advisory: rhvm-setup-plugins security and bug fix update

An update for rhvm-setup-plugins is now available for Red Hat Virtualization Engine 4.3. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each...

Information Disclosure

Several modern microprocessor designs are vulnerable to information disclosure vulnerability. An unprivileged local attacker could access sensitive memory locations via a targeted side-channel attack...

openSUSE Security Update : libressl (openSUSE-2018-950)

This update for libressl to version 2.8.0 fixes the following issues : Security issues fixed : - CVE-2018-12434: Avoid a timing side-channel leak when generating DSA and ECDSA signatures. boo1097779 - Reject excessively large primes in DH key generation. Other bugs fixed : - Fixed a pair of 20+...