CVE-2018-16868

A Bleichenbacher type side-channel based padding oracle attack was found in the way gnutls handles verification of RSA decrypted PKCS1 v1.5 data. An attacker who is able to run process on the same physical core as the victim process, could use this to extract plaintext or in some cases downgrade...

CVE-2018-16868

A Bleichenbacher type side-channel based padding oracle attack was found in the way gnutls handles verification of RSA decrypted PKCS1 v1.5 data. An attacker who is able to run process on the same physical core as the victim process, could use this to extract plaintext or in some cases downgrade...

CVE-2018-16868

CVE-2018-16868 concerns a Bleichenbacher-type side-channel padding oracle in GnuTLS during PKCS#1 v1.5 RSA verification. The provided documents indicate this affects GnuTLS across Linux distributions (e.g., Red Hat). The attack requires local access on the same physical core as the victim process...

CVE-2018-16868

A Bleichenbacher type side-channel based padding oracle attack was found in the way gnutls handles verification of RSA decrypted PKCS1 v1.5 data. An attacker who is able to run process on the same physical core as the victim process, could use this to extract plaintext or in some cases downgrade...

CVE-2018-16868: Observable Discrepancy

A Bleichenbacher type side-channel based padding oracle attack was found in the way gnutls handles verification of RSA decrypted PKCS1 v1.5 data. An attacker who is able to run process on the same physical core as the victim process, could use this to extract plaintext or in some cases downgrade...

PT-2018-2489 · Gnu +2 · Gnutls +2

Name of the Vulnerable Software and Affected Versions: GnuTLS versions prior to 3.6.5 Description: The issue is related to an error in verifying decrypted RSA data, allowing an attacker to potentially access protected information through a side-channel cache attack. Specifically, a Bleichenbacher...

Scientific Linux Security Update : gnutls on SL7.x x86_64 (20181030)

Security Fixes : - gnutls: HMAC-SHA-256 vulnerable to Lucky thirteen attack due to not enough dummy function calls CVE-2018-10844 - gnutls: HMAC-SHA-384 vulnerable to Lucky thirteen attack due to use of wrong constant CVE-2018-10845 - gnutls: 'Just in Time' PRIME + PROBE cache-based side channel...

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...

[ASA-201811-6] libcurl-gnutls: arbitrary code execution

Arch Linux Security Advisory ASA-201811-6 ========================================= Severity: High Date : 2018-11-06 CVE-ID : CVE-2018-16840 Package : libcurl-gnutls Type : arbitrary code execution Remote : Yes Link : https://security.archlinux.org/AVG-799 Summary ======= The package libcurl-gnut...

[ASA-201811-7] lib32-libcurl-gnutls: arbitrary code execution

Arch Linux Security Advisory ASA-201811-7 ========================================= Severity: High Date : 2018-11-06 CVE-ID : CVE-2018-16839 CVE-2018-16840 Package : lib32-libcurl-gnutls Type : arbitrary code execution Remote : Yes Link : https://security.archlinux.org/AVG-798 Summary ======= The...

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...

MGASA-2018-0435 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...

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...

[SECURITY] [DLA 1560-1] gnutls28 security update

Package : gnutls28 Version : 3.3.30-0+deb8u1 CVE ID : CVE-2018-10844 CVE-2018-10845 CVE-2018-10846 A set of vulnerabilities was discovered in GnuTLS which allowed attackers to do plain text recovery on TLS connections with certain cipher types. CVE-2018-10844 It was found that the GnuTLS...

gnutls: HMAC-SHA-256 vulnerable to Lucky thirteen attack due to not enough dummy function calls

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...

gnutls: HMAC-SHA-384 vulnerable to Lucky thirteen attack due to use of wrong constant

It was found that GnuTLS's implementation of HMAC-SHA-384 was vulnerable to a 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...

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...

gnutls: "Just in Time" PRIME + PROBE cache-based side channel attack can lead to plaintext recovery

A cache-based side channel attack was found in the way GnuTLS implements CBC-mode cipher suites. An attacker could use a combination of "Just in Time" Prime+probe and Lucky-13 attacks to recover plain text in a cross-VM attack scenario...

openSUSE: Security Advisory for gnutls (openSUSE-SU-2018:2958-1)

The remote host is missing an update for the Copyright C 2018 Greenbone Networks GmbH 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-or-later This program is free software; you can...