#linux

This is the third part of Vincent Danen’s “Patch management needs a revolution” series.Patch management needs a revolution, part 1: Surveying cybersecurity’s lineagePatch management needs a revolution, part 2: The flood of vulnerabilitiesVulnerability ratings are the foundation for a good risk-based vulnerability management program, especially if they’re from a trusted party. Recently I was discussing this topic with a customer and they said they practiced Zero Trust, as if to explain why they could not trust our ratings. The irony, however, is that they did use National Vulnerabilit

This Metasploit module exploits a command injection vulnerability in MajorDoMo versions before 0662e5e.

This Metasploit module chains an authentication bypass vulnerability and a command injection vulnerability to exploit vulnerable instances of either Ivanti Connect Secure or Ivanti Policy Secure, to achieve unauthenticated remote code execution. All currently supported versions 9.x and 22.x prior to the vendor mitigation are vulnerable. It is unknown if unsupported versions 8.x and below are also vulnerable.

Gentoo Linux Security Advisory 202401-26 - Multiple vulnerabilities have been found in Apache XML-RPC, the worst of which could result in arbitrary code execution. Versions less than or equal to 3.1.3 are affected.

Ubuntu Security Notice 6587-2 - USN-6587-1 fixed several vulnerabilities in X.Org. This update provides the corresponding update for Ubuntu 16.04 LTS and Ubuntu 18.04 LTS. Jan-Niklas Sohn discovered that the X.Org X Server incorrectly handled memory when processing the DeviceFocusEvent and ProcXIQueryPointer APIs. An attacker could possibly use this issue to cause the X Server to crash, obtain sensitive information, or execute arbitrary code.

In Traceroute versions 2.0.12 through to 2.1.2, the wrapper scripts mishandle shell metacharacters, which can lead to privilege escalation if the wrapper scripts are executed via sudo. The affected wrapper scripts include tcptraceroute, tracepath, traceproto, and traceroute-nanog. Version 2.1.3 addresses this issue.

Red Hat Security Advisory 2024-0310-03 - An update for openssl is now available for Red Hat Enterprise Linux 9.

We analyzed 2,5 million vulnerabilities we discovered in our customer’s assets. This is what we found. Digging into the data The dataset we analyze here is representative of a subset of clients that subscribe to our vulnerability scanning services. Assets scanned include those reachable across the Internet, as well as those present on internal networks. The data includes findings for network

An advanced China-nexus cyber espionage group previously linked to the exploitation of security flaws in VMware and Fortinet appliances has been linked to the abuse of a critical vulnerability in VMware vCenter Server as a zero-day since late 2021. "UNC3886 has a track record of utilizing zero-day vulnerabilities to complete their mission without being detected, and this latest example further

## Summary By publishing specially crafted transactions on the Bitcoin blockchain, the SPV maintainer can produce seemingly valid SPV proofs for fraudulent transactions. The issue was originally identified by Least Authority in the tBTC Bridge V2 Security Audit Report as _Issue B: Bitcoin SPV Merkle Proofs Can Be Faked_. A mitigation was believed to have been in place, but this turned out to contain an error, and the issue had not been effectively mitigated. ### Details This is achieved by creating a 64-byte transaction that the fraudulent transaction treats as a node in its merkle proof: The attacker creates the malicious transaction `E` and calculates an unusual but valid transaction `D`, so that the last 32 bytes of `D` are a part of the merkle proof of `E`: ``` D = foo | hash256(E') E' = bar | hash256(E) ``` `foo` and `bar` are arbitrary 32-byte values selected to facilitate this attack. The attacker can then publish `D` and wait for it to be mined. A valid SPV proof for `D` ...