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CVE-2020-1730

Status Candidate

Overview

A flaw was found in libssh versions before 0.8.9 and before 0.9.4 in the way it handled AES-CTR (or DES ciphers if enabled) ciphers. The server or client could crash when the connection hasn't been fully initialized and the system tries to cleanup the ciphers when closing the connection. The biggest threat from this vulnerability is system availability.

Related Files

Red Hat Security Advisory 2021-3016-01
Posted Aug 6, 2021
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2021-3016-01 - Red Hat Advanced Cluster Management for Kubernetes 2.3.0 images Red Hat Advanced Cluster Management for Kubernetes provides the capabilities to address common challenges that administrators and site reliability engineers face as they work across a range of public and private cloud environments. Clusters and applications are all visible and managed from a single console—with security policy built in. This advisory contains the container images for Red Hat Advanced Cluster Management for Kubernetes, which fix several bugs and security issues. Issues addressed include code execution, cross site scripting, denial of service, integer overflow, and null pointer vulnerabilities.

tags | advisory, denial of service, overflow, vulnerability, code execution, xss
systems | linux, redhat
advisories | CVE-2016-10228, CVE-2017-14502, CVE-2018-1000858, CVE-2018-20843, CVE-2019-13050, CVE-2019-13627, CVE-2019-14889, CVE-2019-15903, CVE-2019-19906, CVE-2019-20454, CVE-2019-20934, CVE-2019-25013, CVE-2019-2708, CVE-2019-9169, CVE-2020-11668, CVE-2020-13434, CVE-2020-15358, CVE-2020-1730, CVE-2020-27618, CVE-2020-28196, CVE-2020-28469, CVE-2020-28500, CVE-2020-28851, CVE-2020-28852, CVE-2020-29361, CVE-2020-29362
SHA-256 | 22af861f19c8cc76d1800e8cdc42e955c8b4fd8d0940dbb11df8626d83990c4b
Red Hat Security Advisory 2021-2021-01
Posted May 19, 2021
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2021-2021-01 - Red Hat OpenShift Serverless 1.10.2 is a generally available release of the OpenShift Serverless Operator. This version of the OpenShift Serverless Operator is supported on Red Hat OpenShift Container Platform version 4.5. Issues addressed include a code execution vulnerability.

tags | advisory, code execution
systems | linux, redhat
advisories | CVE-2018-1000858, CVE-2018-20843, CVE-2019-13050, CVE-2019-13627, CVE-2019-14889, CVE-2019-15903, CVE-2019-16168, CVE-2019-16935, CVE-2019-19221, CVE-2019-19906, CVE-2019-19956, CVE-2019-20218, CVE-2019-20387, CVE-2019-20388, CVE-2019-20454, CVE-2019-20907, CVE-2019-20916, CVE-2019-5018, CVE-2020-13630, CVE-2020-13631, CVE-2020-13632, CVE-2020-14422, CVE-2020-1730, CVE-2020-6405, CVE-2020-7595, CVE-2020-8492, CVE-2020-9327
SHA-256 | cea1cf00dcdae1e8f10b304383784974afe87eafeed9543bfd8952847505e233
Red Hat Security Advisory 2021-0146-01
Posted Jan 15, 2021
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2021-0146-01 - Red Hat OpenShift Serverless 1.12.0 is a generally available release of the OpenShift Serverless Operator. This version of the OpenShift Serverless Operator is supported on Red Hat OpenShift Container Platform version 4.6, and includes security and bug fixes and enhancements. For more information, see the documentation listed in the References section. Issues addressed include code execution and cross site scripting vulnerabilities.

tags | advisory, vulnerability, code execution, xss
systems | linux, redhat
advisories | CVE-2018-20843, CVE-2019-13050, CVE-2019-13627, CVE-2019-14889, CVE-2019-15903, CVE-2019-16168, CVE-2019-19221, CVE-2019-19906, CVE-2019-19956, CVE-2019-20218, CVE-2019-20387, CVE-2019-20388, CVE-2019-20454, CVE-2019-5018, CVE-2020-10029, CVE-2020-13630, CVE-2020-13631, CVE-2020-13632, CVE-2020-1730, CVE-2020-1751, CVE-2020-1752, CVE-2020-1971, CVE-2020-24553, CVE-2020-24659, CVE-2020-28362, CVE-2020-28366, CVE-2020-28367
SHA-256 | a86c00be6acf79cfc141fb047b2a8d856fd69b40c660eaa8ec6d9b8a5a91d313
Red Hat Security Advisory 2020-5218-01
Posted Nov 24, 2020
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2020-5218-01 - The redhat-virtualization-host packages provide the Red Hat Virtualization Host. These packages include redhat-release-virtualization-host, ovirt-node, and rhev-hypervisor. Red Hat Virtualization Hosts are installed using a special build of Red Hat Enterprise Linux with only the packages required to host virtual machines. RHVH features a Cockpit user interface for monitoring the host's resources and performing administrative tasks. The redhat-virtualization-host packages provide the Red Hat Virtualization Host. These packages include redhat-release-virtualization-host, ovirt-node, and rhev-hypervisor. Red Hat Virtualization Hosts are installed using a special build of Red Hat Enterprise Linux with only the packages required to host virtual machines. RHVH features a Cockpit user interface for monitoring the host's resources and performing administrative tasks. Issues addressed include a denial of service vulnerability.

tags | advisory, denial of service
systems | linux, redhat
advisories | CVE-2020-1730
SHA-256 | 15aba49494e2fb2808bf07128e9109274c598f62c5d401739156e45e752497c9
Red Hat Security Advisory 2020-5149-01
Posted Nov 18, 2020
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2020-5149-01 - Red Hat OpenShift Serverless 1.11.0 is a generally available release of the OpenShift Serverless Operator. This version of the OpenShift Serverless Operator is supported on Red Hat OpenShift Container Platform version 4.6.

tags | advisory
systems | linux, redhat
advisories | CVE-2018-20843, CVE-2019-13050, CVE-2019-13627, CVE-2019-14889, CVE-2019-1551, CVE-2019-15903, CVE-2019-16168, CVE-2019-16935, CVE-2019-19221, CVE-2019-19906, CVE-2019-19956, CVE-2019-20218, CVE-2019-20387, CVE-2019-20388, CVE-2019-20454, CVE-2019-20907, CVE-2019-20916, CVE-2019-5018, CVE-2020-10029, CVE-2020-13630, CVE-2020-13631, CVE-2020-13632, CVE-2020-14040, CVE-2020-14422, CVE-2020-1730, CVE-2020-1751, CVE-2020-1752
SHA-256 | ae040d80529f54eb92eb0fd38e2a45abadc228521f0e608f7b65bb3d75caee9c
Red Hat Security Advisory 2020-4545-01
Posted Nov 4, 2020
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2020-4545-01 - libssh is a library which implements the SSH protocol. It can be used to implement client and server applications. Issues addressed include a denial of service vulnerability.

tags | advisory, denial of service, protocol
systems | linux, redhat
advisories | CVE-2019-14889, CVE-2020-1730
SHA-256 | 8266b40d92587d01b62286014494ce95a27da338a1ca045c7a7bc5fa8616ef0d
Gentoo Linux Security Advisory 202004-08
Posted Apr 11, 2020
Authored by Gentoo | Site security.gentoo.org

Gentoo Linux Security Advisory 202004-8 - A vulnerability in libssh could allow a remote attacker to cause a Denial of Service condition. Versions less than 0.9.4 are affected.

tags | advisory, remote, denial of service
systems | linux, gentoo
advisories | CVE-2020-1730
SHA-256 | 5874fa7b7db8c148f36ace55d9e5be5541a15fa330aa64b29dd9d52a66fb47f1
Ubuntu Security Notice USN-4327-1
Posted Apr 9, 2020
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 4327-1 - Yasheng Yang discovered that libssh incorrectly handled AES-CTR ciphers. A remote attacker could possibly use this issue to cause libssh to crash, resulting in a denial of service.

tags | advisory, remote, denial of service
systems | linux, ubuntu
advisories | CVE-2020-1730
SHA-256 | 0c37dd2df5471e0ca6e662779d85139029735c0748c711b4b5e1dbe8a5484aa9
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