CVE-2023-6935 Marvin Attack vulnerability in SP Math All RSA

wolfSSL SP Math All RSA implementation is vulnerable to the Marvin Attack, new variation of a timing Bleichenbacher style attack, when built with the following options to configure: --enable-all CFLAGS="-DWOLFSSLSTATICRSA" The define “WOLFSSLSTATICRSA” enables static RSA cipher suites, which is n...

Internet Bug Bounty: OpenSSL vulnerable to the Marvin Attack (CVE-2022-4304)

A timing side channel vulnerability in OpenSSL RSA decryption was discovered that could allow plaintext recovery. By measuring decryption time, an attacker could recover RSA plaintext from captured ciphertexts after a large number of decryption attempts. All RSA padding modes were affected. The...

OESA-2023-1430 edk2 security update

EDK II is a modern, feature-rich, cross-platform firmware development environment for the UEFI and PI specifications. Security Fixes: A timing based side channel exists in the OpenSSL RSA Decryption implementation which could be sufficient to recover a plaintext across a network in a Bleichenbach...

Huawei EulerOS: Security Advisory for gnutls (EulerOS-SA-2023-2267)

The remote host is missing an update for the Huawei EulerOS SPDX-FileCopyrightText: 2023 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...

EulerOS Virtualization 2.9.0 : gnutls (EulerOS-SA-2023-2018)

According to the versions of the gnutls packages installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerabilities : - A timing side-channel in the handling of RSA ClientKeyExchange messages was discovered in GnuTLS. This side-channel can be...

Huawei EulerOS: Security Advisory for gnutls (EulerOS-SA-2023-1975)

The remote host is missing an update for the Huawei EulerOS SPDX-FileCopyrightText: 2023 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...

EulerOS 2.0 SP10 : gnutls (EulerOS-SA-2023-1953)

According to the versions of the gnutls packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : - A timing side-channel in the handling of RSA ClientKeyExchange messages was discovered in GnuTLS. This side-channel can be sufficient to recover...

ROS-20230418-05

A vulnerability in the OpenSSL cryptographic library is related to a boundary error in the PEMreadbioex function. Exploitation of the vulnerability could allow an attacker acting remotely to pass a specially crafted PEM file to an application, cause a memory re-release error, and perform a typing...

Mageia: Security Advisory (MGASA-2023-0130)

The remote host is missing an update for the SPDX-FileCopyrightText: 2023 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...

RHEL 8 : gnutls (RHSA-2023:1569)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2023:1569 advisory. The gnutls packages provide the GNU Transport Layer Security GnuTLS library, which implements cryptographic algorithms and protocols such as SSL, TLS...

Amazon Linux 2023 : openssl, openssl-devel, openssl-libs (ALAS2023-2023-101)

It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2023-2023-101 advisory. A flaw was found in Open SSL. A read buffer overrun can be triggered in X.509 certificate verification, specifically in name constraint checking. Note that this occurs after certificate chain...

AlmaLinux 9 : gnutls (ALSA-2023:1141)

The remote AlmaLinux 9 host has packages installed that are affected by a vulnerability as referenced in the ALSA-2023:1141 advisory. - A timing side-channel in the handling of RSA ClientKeyExchange messages was discovered in GnuTLS. This side-channel can be sufficient to recover the key encrypte...

RHEL 9 : gnutls (RHSA-2023:1141)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2023:1141 advisory. The gnutls packages provide the GNU Transport Layer Security GnuTLS library, which implements cryptographic algorithms and protocols such as SSL, TLS...

Oracle Linux 9 : gnutls (ELSA-2023-1141)

The remote Oracle Linux 9 host has packages installed that are affected by a vulnerability as referenced in the ELSA-2023-1141 advisory. 3.7.6-18 - Update gnutls-3.7.8-fips-pct-dh.patch to the upstream version 2168610 3.7.6-17 - Fix timing side-channel in TLS RSA key exchange 2162600 3.7.6-16 -...

Fedora 37 : gnutls / guile-gnutls (2023-1c4a6a47ae)

The remote Fedora 37 host has packages installed that are affected by a vulnerability as referenced in the FEDORA-2023-1c4a6a47ae advisory. Release of gnutls 3.8.0 fixes CVE-2023-0361 Release of gnutls guile bingings as standalone package. Tenable has extracted the preceding description block...

Debian dla-3321 : gnutls-bin - security update

The remote Debian 10 host has packages installed that are affected by a vulnerability as referenced in the dla-3321 advisory. ------------------------------------------------------------------------- Debian LTS Advisory DLA-3321-1 [email protected] https://www.debian.org/lts/security/...

CVE-2023-0361

A timing side-channel in the handling of RSA ClientKeyExchange messages was discovered in GnuTLS. This side-channel can be sufficient to recover the key encrypted in the RSA ciphertext across a network in a Bleichenbacher style attack. To achieve a successful decryption the attacker would need to...

FreeBSD : GnuTLS -- timing sidechannel in RSA decryption (0a7a5dfb-aba4-11ed-be2c-001cc0382b2f)

The version of FreeBSD installed on the remote host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the 0a7a5dfb-aba4-11ed-be2c-001cc0382b2f advisory. - A timing side-channel in the handling of RSA ClientKeyExchange messages was discovered in GnuTLS. Thi...

Slackware Linux 15.0 / current gnutls Vulnerability (SSA:2023-041-01)

The version of gnutls installed on the remote host is prior to 3.7.9. It is, therefore, affected by a vulnerability as referenced in the SSA:2023-041-01 advisory. - A timing side-channel in the handling of RSA ClientKeyExchange messages was discovered in GnuTLS. This side-channel can be sufficien...

CVE-2022-4304 Timing Oracle in RSA Decryption

A timing based side channel exists in the OpenSSL RSA Decryption implementation which could be sufficient to recover a plaintext across a network in a Bleichenbacher style attack. To achieve a successful decryption an attacker would have to be able to send a very large number of trial messages fo...