Security
Headlines
HeadlinesLatestCVEs

Headline

Red Hat Security Advisory 2024-1130-03

Red Hat Security Advisory 2024-1130-03 - An update for openssh is now available for Red Hat Enterprise Linux 9. Issues addressed include a code execution vulnerability.

Packet Storm
#vulnerability#linux#red_hat#js#ssh
The following advisory data is extracted from:https://access.redhat.com/security/data/csaf/v2/advisories/2024/rhsa-2024_1130.jsonRed Hat officially shut down their mailing list notifications October 10, 2023.  Due to this, Packet Storm has recreated the below data as a reference point to raise awareness.  It must be noted that due to an inability to easily track revision updates without crawling Red Hat's archive, these advisories are single notifications and we strongly suggest that you visit the Red Hat provided links to ensure you have the latest information available if the subject matter listed pertains to your environment.- Packet Storm Staff====================================================================Red Hat Security AdvisorySynopsis:           Moderate: openssh security updateAdvisory ID:        RHSA-2024:1130-03Product:            Red Hat Enterprise LinuxAdvisory URL:       https://access.redhat.com/errata/RHSA-2024:1130Issue date:         2024-03-05Revision:           03CVE Names:          CVE-2023-48795====================================================================Summary: An update for openssh is now available for Red Hat Enterprise Linux 9.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 CVE link(s) in the References section.Description:OpenSSH is an SSH protocol implementation supported by a number of Linux, UNIX, and similar operating systems. It includes the core files necessary for both the OpenSSH client and server.Security Fix(es):* ssh: Prefix truncation attack on Binary Packet Protocol (BPP) (CVE-2023-48795)* openssh: potential command injection via shell metacharacters (CVE-2023-51385)For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.Solution:https://access.redhat.com/articles/11258CVEs:CVE-2023-48795References:https://access.redhat.com/security/updates/classification/#moderatehttps://bugzilla.redhat.com/show_bug.cgi?id=2254210https://bugzilla.redhat.com/show_bug.cgi?id=2255271

Related news

Red Hat Security Advisory 2024-4613-03

Red Hat Security Advisory 2024-4613-03 - Red Hat OpenShift Container Platform release 4.16.4 is now available with updates to packages and images that fix several bugs and add enhancements. Issues addressed include a code execution vulnerability.

Red Hat Security Advisory 2024-4329-03

Red Hat Security Advisory 2024-4329-03 - Red Hat OpenShift Container Platform release 4.14.32 is now available with updates to packages and images that fix several bugs and add enhancements. Issues addressed include a bypass vulnerability.

Red Hat Security Advisory 2024-0041-03

Red Hat Security Advisory 2024-0041-03 - Red Hat OpenShift Container Platform release 4.16.0 is now available with updates to packages and images that fix several bugs and add enhancements. Issues addressed include denial of service, memory exhaustion, password leak, and resource exhaustion vulnerabilities.

Red Hat Security Advisory 2024-3479-03

Red Hat Security Advisory 2024-3479-03 - Updated container images are now available for director Operator for Red Hat OpenStack Platform 16.2 for RHEL 8.4. Issues addressed include a denial of service vulnerability.

Red Hat Security Advisory 2024-1859-03

Red Hat Security Advisory 2024-1859-03 - OpenShift API for Data Protection 1.3.1 is now available. Issues addressed include a denial of service vulnerability.

Red Hat Security Advisory 2024-1557-03

Red Hat Security Advisory 2024-1557-03 - An update is now available for Red Hat OpenShift Builds 1.0. Issues addressed include denial of service and traversal vulnerabilities.

Red Hat Security Advisory 2024-1194-03

Red Hat Security Advisory 2024-1194-03 - An update is now available for Red Hat JBoss Enterprise Application Platform 8.0. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link in the References section. Issues addressed include denial of service and file overwrite vulnerabilities.

Red Hat Security Advisory 2024-1192-03

Red Hat Security Advisory 2024-1192-03 - An update is now available for Red Hat JBoss Enterprise Application Platform 8.0 for Red Hat Enterprise Linux 8. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link in the References section. Issues addressed include denial of service and file overwrite vulnerabilities.

Red Hat Security Advisory 2024-0766-03

Red Hat Security Advisory 2024-0766-03 - Red Hat OpenShift Container Platform release 4.15.0 is now available with updates to packages and images that fix several bugs and add enhancements. Issues addressed include a denial of service vulnerability.

Red Hat Security Advisory 2024-0789-03

Red Hat Security Advisory 2024-0789-03 - An update for Red Hat Build of Apache Camel 4.0 for Quarkus 3.2 is now available. Issues addressed include buffer overflow and denial of service vulnerabilities.

Red Hat Security Advisory 2024-0628-03

Red Hat Security Advisory 2024-0628-03 - An update for libssh is now available for Red Hat Enterprise Linux 8.

Ubuntu Security Notice USN-6598-1

Ubuntu Security Notice 6598-1 - Fabian Bäumer, Marcus Brinkmann, Joerg Schwenk discovered that the SSH protocol was vulnerable to a prefix truncation attack. If a remote attacker was able to intercept SSH communications, extension negotiation messages could be truncated, possibly leading to certain algorithms and features being downgraded. This issue is known as the Terrapin attack. This update adds protocol extensions to mitigate this issue.

Ubuntu Security Notice USN-6585-1

Ubuntu Security Notice 6585-1 - Fabian Bäumer, Marcus Brinkmann, Joerg Schwenk discovered that the SSH protocol was vulnerable to a prefix truncation attack. If a remote attacker was able to intercept SSH communications, extension negotiation messages could be truncated, possibly leading to certain algorithms and features being downgraded. This issue is known as the Terrapin attack. This update adds protocol extensions to mitigate this issue.

Debian Security Advisory 5601-1

Debian Linux Security Advisory 5601-1 - Fabian Baeumer, Marcus Brinkmann and Joerg Schwenk discovered that the SSH protocol is prone to a prefix truncation attack, known as the "Terrapin attack". This attack allows a MITM attacker to effect a limited break of the integrity of the early encrypted SSH transport protocol by sending extra messages prior to the commencement of encryption, and deleting an equal number of consecutive messages immediately after encryption starts.

Ubuntu Security Notice USN-6560-2

Ubuntu Security Notice 6560-2 - USN-6560-1 fixed several vulnerabilities in OpenSSH. This update provides the corresponding update for Ubuntu 16.04 LTS and Ubuntu 18.04 LTS. Fabian Bäumer, Marcus Brinkmann, Joerg Schwenk discovered that the SSH protocol was vulnerable to a prefix truncation attack. If a remote attacker was able to intercept SSH communications, extension negotiation messages could be truncated, possibly leading to certain algorithms and features being downgraded. This issue is known as the Terrapin attack. This update adds protocol extensions to mitigate this issue.

Ubuntu Security Notice USN-6565-1

Ubuntu Security Notice 6565-1 - It was discovered that OpenSSH incorrectly handled supplemental groups when running helper programs for AuthorizedKeysCommand and AuthorizedPrincipalsCommand as a different user. An attacker could possibly use this issue to escalate privileges. This issue only affected Ubuntu 20.04 LTS. It was discovered that OpenSSH incorrectly added destination constraints when PKCS#11 token keys were added to ssh-agent, contrary to expectations. This issue only affected Ubuntu 22.04 LTS, and Ubuntu 23.04.

New Terrapin Flaw Could Let Attackers Downgrade SSH Protocol Security

Security researchers from Ruhr University Bochum have discovered a vulnerability in the Secure Shell (SSH) cryptographic network protocol that could allow an attacker to downgrade the connection's security by breaking the integrity of the secure channel. Called Terrapin (CVE-2023-48795, CVSS score: 5.9), the exploit has been described as the "first ever practically exploitable prefix

Debian Security Advisory 5591-1

Debian Linux Security Advisory 5591-1 - Several vulnerabilities were discovered in libssh, a tiny C SSH library.

Gentoo Linux Security Advisory 202312-17

Gentoo Linux Security Advisory 202312-17 - Multiple vulnerabilities have been discovered in OpenSSH, the worst of which could lead to code execution. Versions greater than or equal to 9.6_p1 are affected.

Debian Security Advisory 5588-1

Debian Linux Security Advisory 5588-1 - Fabian Baeumer, Marcus Brinkmann and Joerg Schwenk discovered that the SSH protocol is prone to a prefix truncation attack, known as the "Terrapin attack". This attack allows a MITM attacker to effect a limited break of the integrity of the early encrypted SSH transport protocol by sending extra messages prior to the commencement of encryption, and deleting an equal number of consecutive messages immediately after encryption starts.

Debian Security Advisory 5586-1

Debian Linux Security Advisory 5586-1 - Several vulnerabilities have been discovered in OpenSSH, an implementation of the SSH protocol suite.

Debian Security Advisory 5586-1

Debian Linux Security Advisory 5586-1 - Several vulnerabilities have been discovered in OpenSSH, an implementation of the SSH protocol suite.

Packet Storm: Latest News

Microsoft Windows TOCTOU Local Privilege Escalation