Detecting and preventing privilege escalation attacks leveraging Kerberos relaying (KrbRelayUp)

On April 24, 2022, a privilege escalation hacking tool, KrbRelayUp, was publicly disclosed on GitHub by security researcher Mor Davidovich. KrbRelayUp is a wrapper that can streamline the use of some features in Rubeus, KrbRelay, SCMUACBypass, PowerMad/SharpMad, Whisker, and ADCSPwn tools in...

Constrained environment breakout. .NET Assembly exfiltration via Internet Options

It’s not uncommon for developers to find that they need to help their end users. For starter, the business requirements for software can be highly convoluted and technical. Working with banking systems, insurance firms, actuarial services etc, most developers aren’t going to understand the proces...

CVE-2021-44531

Accepting arbitrary Subject Alternative Name SAN types, unless a PKI is specifically defined to use a particular SAN type, can result in bypassing name-constrained intermediates. Node.js 12.22.9, 14.18.3, 16.13.2, and 17.3.1 was accepting URI SAN types, which PKIs are often not defined to use...

CVE-2021-44531

Accepting arbitrary Subject Alternative Name SAN types, unless a PKI is specifically defined to use a particular SAN type, can result in bypassing name-constrained intermediates. Node.js 12.22.9, 14.18.3, 16.13.2, and 17.3.1 was accepting URI SAN types, which PKIs are often not defined to use...

CVE-2021-41040

In Eclipse Wakaama, ever since its inception until 2021-01-14, the CoAP parsing code does not properly sanitize network-received data...

Eclipse Wakaama 缓冲区错误漏洞

Eclipse Wakaama is a C-based, open source implementation of the OMA LWM2M protocol from the Eclipse Foundation. A buffer error vulnerability exists in Eclipse Wakaama versions 2021-01-14 and earlier, which stems from the CoAP parsing code failing to properly clean up data received over the networ...

PT-2022-11359 · Eclipse · Eclipse Wakaama

Name of the Vulnerable Software and Affected Versions: Eclipse Wakaama versions prior to 2021-01-14 Description: The issue arises from the CoAP parsing code in Eclipse Wakaama, which fails to properly sanitize network-received data. This has been the case since the inception of Eclipse Wakaama...

Node.js: Node.js Certificate Verification Bypass via String Injection

This is a report on behalf of Google, who did not want to report through H1. --- Summary Node’s APIs for reporting certificate fields are ambiguous and allow bypassing certificate verification in some circumstances. Details In light of CVE-2021-3712, I’ve been looking at code which misuses...

Security update for java-1_8_0-openjdk (important)

openSUSE Security Update: Security update for java-180-openjdk Announcement ID: openSUSE-SU-2021:1500-1 Rating: important References: 1191901 1191903 1191904 1191905 1191906 1191909 1191910 1191911 1191912 1191913 1191914 Cross-References: CVE-2021-35550 CVE-2021-35556 CVE-2021-35559 CVE-2021-355...

java security update

CentOS Errata and Security Advisory CESA-2021:3889 An update for java-1.8.0-openjdk is now available for Red Hat Enterprise Linux 7. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detail...

OpenJDK: Incorrect principal selection when using Kerberos Constrained Delegation (Libraries, 8266689)

Vulnerability in the Java SE, Oracle GraalVM Enterprise Edition product of Oracle Java SE component: Libraries. Supported versions that are affected are Java SE: 8u301, 11.0.12, 17; Oracle GraalVM Enterprise Edition: 20.3.3 and 21.2.0. Easily exploitable vulnerability allows low privileged attack...

Important: Red Hat Security Advisory: OpenJDK 17.0.1 security update for Windows Builds

The Red Hat Build of OpenJDK 17 java-17-openjdk is now available for Windows. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability...

Important: Red Hat Security Advisory: java-17-openjdk security update

An update for java-17-openjdk is now available for Red Hat Enterprise Linux 8. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerabilit...

OpenJDK: Incorrect principal selection when using Kerberos Constrained Delegation (Libraries, 8266689)

Vulnerability in the Java SE, Oracle GraalVM Enterprise Edition product of Oracle Java SE component: Libraries. Supported versions that are affected are Java SE: 8u301, 11.0.12, 17; Oracle GraalVM Enterprise Edition: 20.3.3 and 21.2.0. Easily exploitable vulnerability allows low privileged attack...

RLSA-2021:4135 Important: java-17-openjdk security update

The java-17-openjdk packages provide the OpenJDK 17 Java Runtime Environment and the OpenJDK 17 Java Software Development Kit. Security Fixes: OpenJDK: Incorrect principal selection when using Kerberos Constrained Delegation Libraries, 8266689 CVE-2021-35567 OpenJDK: Excessive memory allocation i...

Important: java-17-openjdk security update

The java-17-openjdk packages provide the OpenJDK 17 Java Runtime Environment and the OpenJDK 17 Java Software Development Kit. Security Fixes: OpenJDK: Incorrect principal selection when using Kerberos Constrained Delegation Libraries, 8266689 CVE-2021-35567 OpenJDK: Excessive memory allocation i...

ALSA-2021:4135 Important: java-17-openjdk security update

The java-17-openjdk packages provide the OpenJDK 17 Java Runtime Environment and the OpenJDK 17 Java Software Development Kit. Security Fixes: OpenJDK: Incorrect principal selection when using Kerberos Constrained Delegation Libraries, 8266689 CVE-2021-35567 OpenJDK: Excessive memory allocation i...

Security fix for the ALT Linux 10 package java-11-openjdk version 0:11.0.13.8-alt1_1jpp11

0:11.0.13.8-alt11jpp11 built Nov. 8, 2021 Andrey Cherepanov in task 287838 Oct. 23, 2021 Andrey Cherepanov - New version. - Security fixes: + CVE-2021-35550 Update the default enabled cipher suites preference + CVE-2021-35565 com.sun.net.HttpsServer spins on TLS session close + CVE-2021-35556...

CentOS 8 : java-11-openjdk (CESA-2021:3891)

The remote CentOS Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the CESA-2021:3891 advisory. - OpenJDK: Weak ciphers preferred over stronger ones for TLS JSSE, 8264210 CVE-2021-35550 - OpenJDK: Excessive memory allocation in RTFParser Swing,...

OpenJDK: Incorrect principal selection when using Kerberos Constrained Delegation (Libraries, 8266689)

Vulnerability in the Java SE, Oracle GraalVM Enterprise Edition product of Oracle Java SE component: Libraries. Supported versions that are affected are Java SE: 8u301, 11.0.12, 17; Oracle GraalVM Enterprise Edition: 20.3.3 and 21.2.0. Easily exploitable vulnerability allows low privileged attack...