CVE-2023-22796

A regular expression based DoS vulnerability in Active Support 6.1.7.1 and 7.0.4.1. A specially crafted string passed to the underscore method can cause the regular expression engine to enter a state of catastrophic backtracking. This can cause the process to use large amounts of CPU and memory,...

DEBIAN-CVE-2023-22796

A regular expression based DoS vulnerability in Active Support 6.1.7.1 and 7.0.4.1. A specially crafted string passed to the underscore method can cause the regular expression engine to enter a state of catastrophic backtracking. This can cause the process to use large amounts of CPU and memory,...

CVE-2023-22796

A regular expression based DoS vulnerability in Active Support 6.1.7.1 and 7.0.4.1. A specially crafted string passed to the underscore method can cause the regular expression engine to enter a state of catastrophic backtracking. This can cause the process to use large amounts of CPU and memory,...

CVE-2023-22794

A vulnerability in ActiveRecord 6.0.6.1, v6.1.7.1 and v7.0.4.1 related to the sanitization of comments. If malicious user input is passed to either the annotate query method, the optimizerhints query method, or through the QueryLogs interface which automatically adds annotations, it may be sent t...

Design/Logic Flaw

A regular expression based DoS vulnerability in Active Support 6.1.7.1 and 7.0.4.1. A specially crafted string passed to the underscore method can cause the regular expression engine to enter a state of catastrophic backtracking. This can cause the process to use large amounts of CPU and memory,...

UBUNTU-CVE-2023-22796

A regular expression based DoS vulnerability in Active Support 6.1.7.1 and 7.0.4.1. A specially crafted string passed to the underscore method can cause the regular expression engine to enter a state of catastrophic backtracking. This can cause the process to use large amounts of CPU and memory,...

CVE-2023-22796

A regular expression based DoS vulnerability in Active Support 6.1.7.1 and 7.0.4.1. A specially crafted string passed to the underscore method can cause the regular expression engine to enter a state of catastrophic backtracking. This can cause the process to use large amounts of CPU and memory,...

Beyond the basics: Implementing an active defense

Active defense a key approach to protecting against major threats Having an active defense posture, where the defenders actively use threat intelligence and their own environment telemetry to uncover potential compromises, is the next stage in the cyber security maturity road. Instead of waiting...

Inefficient Regular Expression Complexity

A regular expression based DoS vulnerability in Active Support 6.1.7.1 and 7.0.4.1. A specially crafted string passed to the underscore method can cause the regular expression engine to enter a state of catastrophic backtracking. This can cause the process to use large amounts of CPU and memory,...

CVE-2023-22796

A regular expression based DoS vulnerability in Active Support 6.1.7.1 and 7.0.4.1. A specially crafted string passed to the underscore method can cause the regular expression engine to enter a state of catastrophic backtracking. This can cause the process to use large amounts of CPU and memory,...

CVE-2023-22796

A regular expression based DoS vulnerability in Active Support 6.1.7.1 and 7.0.4.1. A specially crafted string passed to the underscore method can cause the regular expression engine to enter a state of catastrophic backtracking. This can cause the process to use large amounts of CPU and memory,...

CVE-2023-22796

CVE-2023-22796 affects Ruby on Rails’ Active Support gem. A regex-based DoS vulnerability (catastrophic backtracking) can cause high CPU and memory usage when the underscore method is fed a crafted string, leading to a DoS. Affected: Active Support versions <6.1.7.1 and

CVE-2023-22796

A regular expression based DoS vulnerability in Active Support 6.1.7.1 and 7.0.4.1. A specially crafted string passed to the underscore method can cause the regular expression engine to enter a state of catastrophic backtracking. This can cause the process to use large amounts of CPU and memory,...

CVE-2023-22796

A regular expression based DoS vulnerability in Active Support 6.1.7.1 and 7.0.4.1. A specially crafted string passed to the underscore method can cause the regular expression engine to enter a state of catastrophic backtracking. This can cause the process to use large amounts of CPU and memory,...

Solving one of NOBELIUM’s most novel attacks: Cyberattack Series

Our story begins with eight Microsoft Detection and Response Team DART analysts gathered around a customer’s conference room to solve a cybersecurity mystery. Joined by members of the customer’s cybersecurity team, they were there to figure out how a Russia-based nation-state hacking group known ...

Upgraded Q -> 2 from #670 [1675726426987]

Judge has assessed an item in Issue 670 as 2 risk. The relevant finding follows: L-04 Changing rabbitholeReceiptContract in QuestFactory will break currently running quests rabbitHoleReceiptContract must be the same in QuestFactory and Quest contracts for quests to function correctly. If there is...

Is Your EV Charging Station Safe? New Security Vulnerabilities Uncovered

Two new security weaknesses discovered in several electric vehicle EV charging systems could be exploited to remotely shut down charging stations and even expose them to data and energy theft. The findings, which come from Israel-based SaiFlow, once again demonstrate the potential risks facing th...

CISA Alert: Oracle E-Business Suite and SugarCRM Vulnerabilities Under Attack

The U.S. Cybersecurity and Infrastructure Security Agency CISA on February 2 added two security flaws to its Known Exploited Vulnerabilities KEV Catalog, citing evidence of active exploitation. The first of the two vulnerabilities is CVE-2022-21587 CVSS score: 9.8, a critical issue impacting...

Fedora 38 : rubygem-actioncable / rubygem-actionmailbox / rubygem-actionmailer / etc (2023-f60cca0686)

The remote Fedora 38 host has packages installed that are affected by multiple vulnerabilities as referenced in the FEDORA-2023-f60cca0686 advisory. Upgrade to Ruby on Rails 7.0.4.2. Fixes numerous CVEs: https://rubyonrails.org/2023/1/17/Rails- Versions-6-0-6-1-6-1-7-1-7-0-4-1-have-been-released...

PT-2023-8497

Name of the Vulnerable Software and Affected Versions Ivanti Connect Secure versions 9.x through 22.x Ivanti Policy Secure versions 9.x through 22.x Ivanti Neurons for ZTA versions 9.x through 22.x Description A server-side request forgery SSRF vulnerability in the SAML component of Ivanti Connec...