Microsoft Patch Tuesday — March 2019: Vulnerability disclosures and Snort coverage

Microsoft released its monthly security update today, disclosing a variety of vulnerabilities in several of its products. The latest Patch Tuesday covers 64 vulnerabilities, 17 of which are rated “critical,” 45 that are considered “important” and one “moderate” and “low” vulnerability each. This...

SHA-2 Code Sign Support Advisory

Microsoft is announcing the release of SHA-2 code sign support for Windows 7 SP1, Windows Server 2008 R2 SP1 and Windows Server 2008 SP2. Please see 2019 SHA-2 Code Signing Support requirement for Windows and WSUS for more information...

SHA-2 code signing support update for Windows Server 2008 R2, Windows 7, and Windows Server 2008: September 23, 2019

SHA-2 code signing support update for Windows Server 2008 R2, Windows 7, and Windows Server 2008: September 23, 2019 Notice This security update was released March 12, 2019 for Windows 7 SP1 and Windows Server 2008 R2 SP1. This security update was updated May 14, 2019 to add support for Windows...

Microsoft to Kill Updates for Legacy OS Using SHA-1

Microsoft is in the process of phasing out use of the Secure Hash Algorithm 1 SHA-1 code-signing encryption to deliver Windows OS updates – announcing that customers running legacy OS versions will be required to have SHA-2 code-signing support installed on their devices by July 2019. No SHA-2...

EulerOS 2.0 SP3 : gnutls (EulerOS-SA-2019-1026)

According to the version of the gnutls packages installed, the EulerOS installation on the remote host is affected by the following vulnerability : - gnutls: HMAC-SHA-256 vulnerable to Lucky thirteen attack due to not enough dummy function calls CVE-2018-10844 Note that Tenable Network Security h...

Seven Must-Dos to Secure MySQL 8.0

Most database breaches are blamed on insiders such as employees who are either malicious or whose security has been compromised. In fact, most of these breaches are actually caused by poor security configuration and privilege abuse. Every new database version brings security upgrades. Use them...

EulerOS 2.0 SP5 : gnutls (EulerOS-SA-2019-1005)

According to the version of the gnutls packages installed, the EulerOS installation on the remote host is affected by the following vulnerability : - gnutls: HMAC-SHA-256 vulnerable to Lucky thirteen attack due to not enough dummy function calls CVE-2018-10844 Note that Tenable Network Security h...

SUSE SLED15 / SLES15 Security Update : gnutls (SUSE-SU-2018:2930-1)

This update for gnutls fixes the following security issues : Improved mitigations against Lucky 13 class of attacks CVE-2018-10846: 'Just in Time' PRIME + PROBE cache-based side channel attack can lead to plaintext recovery bsc1105460 CVE-2018-10845: HMAC-SHA-384 vulnerable to Lucky thirteen atta...

EulerOS 2.0 SP2 : gnutls (EulerOS-SA-2018-1444)

According to the version of the gnutls packages installed, the EulerOS installation on the remote host is affected by the following vulnerability : - gnutls: HMAC-SHA-256 vulnerable to Lucky thirteen attack due to not enough dummy function calls CVE-2018-10844 Note that Tenable Network Security h...

MD5 and SHA-1 Still Used in 2018

Last week, the Scientific Working Group on Digital Evidence published a draft document -- "SWGDE Position on the Use of MD5 and SHA1 Hash Algorithms in Digital and Multimedia Forensics" -- where it accepts the use of MD5 and SHA-1 in digital forensics applications: While SWGDE promotes the adopti...

Amazon Linux 2 : gnutls (ALAS-2018-1120)

It was found that GnuTLS's implementation of HMAC-SHA-256 was vulnerable to Lucky Thirteen-style attack. A remote attacker could use this flaw to conduct distinguishing attacks and plain text recovery attacks via statistical analysis of timing data using crafted packets.CVE-2018-10844 It was foun...

Medium: gnutls

Issue Overview: It was found that GnuTLS's implementation of HMAC-SHA-256 was vulnerable to Lucky Thirteen-style attack. A remote attacker could use this flaw to conduct distinguishing attacks and plain text recovery attacks via statistical analysis of timing data using crafted...

Oracle Linux 7 : gnutls (ELSA-2018-3050)

The remote Oracle Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2018-3050 advisory. - Improved counter-measures in TLS CBC record padding for lucky13 attack CVE-2018-10844, 1589704, CVE-2018-10845, 1589707 - Added counter-measures for...

krb5 security, bug fix, and enhancement update

1.15.1-34 - In FIPS mode, add plaintext fallback for RC4 usages and taint - Resolves: 1570600 1.15.1-33 - Use SHA-256 instead of MD5 for audit ticket IDs - Resolves: 1570600 1.15.1-32 - Include preauth name in trace output if possible - Update cert generation scripts to work on modern openssl - F...

Debian: Security Advisory (DLA-1560-1)

The remote host is missing an update for the Debian SPDX-FileCopyrightText: 2018 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

Updated gnutls packages fix security vulnerabilities

The updated packages fix security vulnerabilities: It was found that the GnuTLS implementation of HMAC-SHA-256 and HMAC-SHA-384 was vulnerable to a Lucky thirteen style attack. Remote attackers could use this flaw to conduct distinguishing attacks and plaintext-recovery attacks via statistical...

Updated mbedtls packages fix security vulnerabilities

Updated mbedtls package fixes security vulnerabilities: Fixed a vulnerability in the TLS ciphersuites based on use of CBC and SHA-384 in DTLS/TLS 1.0 to 1.2, that allowed an active network attacker to partially recover the plaintext of messages under certains conditions by exploiting timing...

RHEL 7 : gnutls (RHSA-2018:3050)

The remote Redhat Enterprise Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2018:3050 advisory. The gnutls packages provide the GNU Transport Layer Security GnuTLS library, which implements cryptographic algorithms and protocols such as...

kernel: HMAC implementation does not validate that the underlying cryptographic hash algorithm is unkeyed allowing local attackers to cause denial-of-service

The HMAC implementation crypto/hmac.c in the Linux kernel, before 4.14.8, does not validate that the underlying cryptographic hash algorithm is unkeyed. This allows a local attacker, able to use the AFALG-based hash interface CONFIGCRYPTOUSERAPIHASH and the SHA-3 hash algorithm CONFIGCRYPTOSHA3, ...

Moderate: Red Hat Security Advisory: gnutls security, bug fix, and enhancement update

An update for gnutls is now available for Red Hat Enterprise Linux 7. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the...