Ubuntu: Security Advisory (USN-6561-1)

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...

Slackware: Security Advisory (SSA:2023-353-01)

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...

[slackware-security] libssh

New libssh packages are available for Slackware 14.2, 15.0, and -current to fix security issues. Here are the details from the Slackware 15.0 ChangeLog: patches/packages/libssh-0.10.6-i586-1slack15.0.txz: Upgraded. This update fixes security issues: Command injection using proxycommand. Potential...

Denial Of Service (DoS)

libssh is vulnerable to Denial Of Service DoS. The vulnerability is due to a lack of proper validation and checking of return values in the abstract layer for message digest MD operations implemented by different supported crypto backends. This could lead to low-memory failures and potentially...

Prefix Truncation Attack (Terrapin Attack)

libssh is vulnerable to Terrapin attack. The vulnerability is due to mishandling of the handshake phase and sequence numbers in the SSH Binary Packet Protocol BPP with certain OpenSSH extensions. This allows an attacker to bypass integrity checks and omit packets during extension negotiation, and...

DEBIAN-CVE-2023-6918

A flaw was found in the libssh implements abstract layer for message digest MD operations implemented by different supported crypto backends. The return values from these were not properly checked, which could cause low-memory situations failures, NULL dereferences, crashes, or usage of the...

CVE-2023-6918 vulnerabilities

Vulnerabilities for packages: libssh...

AZL-32199 CVE-2023-6918 affecting package libssh for versions less than 0.10.6-1

A flaw was found in the libssh implements abstract layer for message digest MD operations implemented by different supported crypto backends. The return values from these were not properly checked, which could cause low-memory situations failures, NULL dereferences, crashes, or usage of the...

CVE-2023-6918

A flaw was found in the libssh implements abstract layer for message digest MD operations implemented by different supported crypto backends. The return values from these were not properly checked, which could cause low-memory situations failures, NULL dereferences, crashes, or usage of the...

AZL-34943 CVE-2023-6918 affecting package libssh for versions less than 0.10.6-1

A flaw was found in the libssh implements abstract layer for message digest MD operations implemented by different supported crypto backends. The return values from these were not properly checked, which could cause low-memory situations failures, NULL dereferences, crashes, or usage of the...

CVE-2023-6918 vulnerabilities

Vulnerabilities for packages: libssh...

CVE-2023-6918

A flaw was found in the libssh implements abstract layer for message digest MD operations implemented by different supported crypto backends. The return values from these were not properly checked, which could cause low-memory situations failures, NULL dereferences, crashes, or usage of the...

CVE-2023-6918

A flaw was found in the libssh implements abstract layer for message digest MD operations implemented by different supported crypto backends. The return values from these were not properly checked, which could cause low-memory situations failures, NULL dereferences, crashes, or usage of the...

UBUNTU-CVE-2023-6918

A flaw was found in the libssh implements abstract layer for message digest MD operations implemented by different supported crypto backends. The return values from these were not properly checked, which could cause low-memory situations failures, NULL dereferences, crashes, or usage of the...

Design/Logic Flaw

A flaw was found in the libssh implements abstract layer for message digest MD operations implemented by different supported crypto backends. The return values from these were not properly checked, which could cause low-memory situations failures, NULL dereferences, crashes, or usage of the...

Slackware Linux 14.2 / 15.0 / current libssh Multiple Vulnerabilities (SSA:2023-353-01)

The version of libssh installed on the remote host is prior to 0.10.6. It is, therefore, affected by multiple vulnerabilities as referenced in the SSA:2023-353-01 advisory. - The SSH transport protocol with certain OpenSSH extensions, found in OpenSSH before 9.6 and other products, allows remote...

Ubuntu 20.04 LTS / 22.04 LTS / 23.04 / 23.10 : libssh vulnerability (USN-6561-1)

The remote Ubuntu 20.04 LTS / 22.04 LTS / 23.04 / 23.10 host has packages installed that are affected by a vulnerability as referenced in the USN-6561-1 advisory. Fabian Bumer, Marcus Brinkmann, Jrg Schwenk discovered that the SSH protocol was vulnerable to a prefix truncation attack. If a remote...

Ubuntu 20.04 LTS / 22.04 LTS / 23.04 / 23.10 : OpenSSH vulnerabilities (USN-6560-1)

The remote Ubuntu 20.04 LTS / 22.04 LTS / 23.04 / 23.10 host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-6560-1 advisory. Fabian Bumer, Marcus Brinkmann, Jrg Schwenk discovered that the SSH protocol was vulnerable to a prefix truncation attack. If...

CVE-2023-6918 Libssh: missing checks for return values for digests

A flaw was found in the libssh implements abstract layer for message digest MD operations implemented by different supported crypto backends. The return values from these were not properly checked, which could cause low-memory situations failures, NULL dereferences, crashes, or usage of the...

CVE-2023-6918

CVE-2023-6918 affects the libssh library where MD operation backends do not properly check return values, potentially causing low-memory failures, NULL dereferences, crashes, or using uninitialized memory as input to the KDF. This can lead to non-matching keys resulting in decryption/integrity fa...