OpenSSH Security Vulnerabilities

OpenSSH OpenBSD Secure Shell is a Canadian OpenBSD open source set of connection tools for secure access to remote computers. The tool is an open source implementation of the SSH protocol that supports encryption of all transmissions, effectively blocking eavesdropping, connection hijacking, and...

CVE-2023-51767

CVE-2023-51767 — IBM’s connected bulletin confirms a vulnerability mapped to the OpenSSH/OpenSSH-derived issue in OpenSSH up to version 10.0, where row hammer attacks on common DRAM types could enable authentication bypass. Root cause per the bulletin: the integer value of authenticated in mm_ans...

CVE-2023-51767

OpenSSH through 10.0, when common types of DRAM are used, might allow row hammer attacks for authentication bypass because the integer value of authenticated in mmanswerauthpassword does not resist flips of a single bit. NOTE: this is applicable to a certain threat model of attacker-victim...

CVE-2023-51767

OpenSSH through 10.0, when common types of DRAM are used, might allow row hammer attacks for authentication bypass because the integer value of authenticated in mmanswerauthpassword does not resist flips of a single bit. NOTE: this is applicable to a certain threat model of attacker-victim...

CVE-2023-51767

OpenSSH through 10.0, when common types of DRAM are used, might allow row hammer attacks for authentication bypass because the integer value of authenticated in mmanswerauthpassword does not resist flips of a single bit. NOTE: this is applicable to a certain threat model of attacker-victim...

CVE-2023-51767

Removed by vendor...

CVE-2023-51767

OpenSSH through 10.0, when common types of DRAM are used, might allow row hammer attacks for authentication bypass because the integer value of authenticated in mmanswerauthpassword does not resist flips of a single bit. NOTE: this is applicable to a certain threat model of attacker-victim...

PT-2023-8128

Name of the Vulnerable Software and Affected Versions OpenSSH versions 9.6 and earlier Description The issue is related to a potential row hammer attack that could allow authentication bypass. This is applicable to a certain threat model of attacker-victim co-location in which the attacker has us...

[SECURITY] [DSA 5586-1] openssh security update

------------------------------------------------------------------------- Debian Security Advisory DSA-5586-1 [email protected] https://www.debian.org/security/ Salvatore Bonaccorso December 22, 2023 https://www.debian.org/security/faq -...

DSA-5586-1 openssh - security update

Bulletin has no description...

Debian DSA-5586-1 : openssh - security update

The remote Debian 11 / 12 host has packages installed that are affected by multiple vulnerabilities as referenced in the dsa-5586 advisory. Several vulnerabilities have been discovered in OpenSSH, an implementation of the SSH protocol suite. CVE-2021-41617 It was discovered that sshd failed to...

OpenSSH < 9.6 Multiple Vulnerabilities

The version of OpenSSH installed on the remote host is prior to 9.6. It is, therefore, affected by multiple vulnerabilities as referenced in the release-9.6 advisory. - ssh1, sshd8: implement protocol extensions to thwart the so-called Terrapin attack discovered by Fabian Bumer, Marcus Brinkmann...

CentOS 7 : openssh (RHSA-2023:4382)

The remote CentOS Linux 7 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2023:4382 advisory. - The PKCS11 feature in ssh-agent in OpenSSH before 9.3p2 has an insufficiently trustworthy search path, leading to remote code execution if an agent is forward...

Nutanix AHV : Multiple Vulnerabilities (NXSA-AHV-20230302.1011)

The version of AHV installed on the remote host is prior to 20230302.102005. It is, therefore, affected by multiple vulnerabilities as referenced in the NXSA-AHV-20230302.1011 advisory. - Error handling in the SSH protocol in 1 SSH Tectia Client and Server and Connector 4.0 through 4.4.11, 5.0...

SUSE: Security Advisory (SUSE-SU-2023:4904-1)

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...

FreeBSD : nebula -- security fix for terrapin vulnerability (0f7598cc-9fe2-11ee-b47f-901b0e9408dc)

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 0f7598cc-9fe2-11ee-b47f-901b0e9408dc advisory. - The SSH transport protocol with certain OpenSSH extensions, found in OpenSSH before 9.6 and other...

SUSE SLES12 Security Update : libssh2_org (SUSE-SU-2023:4946-1)

The remote SUSE Linux SLES12 / SLESSAP12 host has packages installed that are affected by a vulnerability as referenced in the SUSE-SU-2023:4946-1 advisory. - CVE-2023-48795: Fixed prefix truncation breaking ssh channel integrity Terrapin Attack bsc1218127. Tenable has extracted the preceding...

SUSE SLES15 Security Update : openssh (SUSE-SU-2023:4904-1)

The remote SUSE Linux SLES15 / SLESSAP15 host has packages installed that are affected by a vulnerability as referenced in the SUSE-SU-2023:4904-1 advisory. - CVE-2023-48795: Fixed prefix truncation breaking ssh channel integrity bsc1217950. Tenable has extracted the preceding description block...

Fedora 39 : libssh (2023-0733306be9)

The remote Fedora 39 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2023-0733306be9 advisory. New upstream release fixing CVE-2023-48795, CVE-2023-6004, CVE-2023-6918 Tenable has extracted the preceding description block directly from the...

SUSE: Security Advisory (SUSE-SU-2023:4902-1)

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...