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Patch Tuesday, October 2023 Edition

Microsoft today issued security updates for more than 100 newly-discovered vulnerabilities in its Windows operating system and related software, including four flaws that are already being exploited. In addition, Apple recently released emergency updates to quash a pair of zero-day bugs in iOS.

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Microsoft Patch Tuesday Haunted by Zero-Days, Wormable Bug

October's CVE update is here. Here's which security vulnerabilities to patch now to exorcise your Microsoft systems demons.

Hackers on WordPress Websites Hacking Spree with Balada Malware

By Deeba Ahmed If you use WordPress, update to the latest version. This is a post from HackRead.com Read the original post: Hackers on WordPress Websites Hacking Spree with Balada Malware

Internet-Wide Zero-Day Bug Fuels Largest-Ever DDoS Event

Ongoing Rapid Reset DDoS flood attacks exposed organizations need to patch CVE-2023-44487 immediately to head off crippling outages and business disruption.

Hackers for Hire Hit Both Sides in Israel-Hamas Conflict

DDoS for hire and live attacks hit both sides as cyber campaigns continue.

HTTP/2 Rapid Reset Zero-Day Vulnerability Exploited to Launch Record DDoS Attacks

Amazon Web Services (AWS), Cloudflare, and Google on Tuesday said they took steps to mitigate record-breaking distributed denial-of-service (DDoS) attacks that relied on a novel technique called HTTP/2 Rapid Reset. The layer 7 attacks were detected in late August 2023, the companies said in a coordinated disclosure. The cumulative susceptibility to this attack is being tracked as CVE-2023-44487,

GHSA-wqcr-xm43-hpqr: Vulnerable version of libwebp and can be exploited with a malicious source image

### Impact This vulnerability affects deployments of FreeImage that involve decoding or processing malicious source .webp files. If you only process your own trusted files, this should not affect you, but **you should remove FreeImage from your project, as it is not maintained and presents a massive security risk**. If you are using FreeImage via ImageResizer.Plugins.FreeImage, please utilize [Imageflow](https://github.com/imazen/imageflow) or [Imageflow.Server](https://github.com/imazen/imageflow-dotnet-server) instead, or upgrade to ImageResizer 5 and use ImageResizer.Plugins.Imageflow (enable Prereleases on NuGet to access). FreeImage relies on Google's [libwebp](https://github.com/webmproject/libwebp) library to decode .webp images, and is affected by the recent zero-day out-of-bounds write vulnerability [CVE-2023-4863](https://nvd.nist.gov/vuln/detail/CVE-2023-4863) and https://github.com/advisories/GHSA-j7hp-h8jx-5ppr. The libwebp vulnerability also affects Chrome, Android,...

GHSA-f9pm-4g9p-6vm3: Bundled libwebp in pywebp vulnerable

### Impact pywebp versions before v0.3.0 bundled libwebp binaries in wheels that are vulnerable to CVE-2023-4863. The vulnerability was a heap buffer overflow which allowed a remote attacker to perform an out of bounds memory write. ### Patches The problem has been patched upstream in libwebp 1.3.2. pywebp was updated to bundle a patched version of libwebp in v0.3.0. ### Workarounds No known workarounds without upgrading. ### References - https://www.rezilion.com/blog/rezilion-researchers-uncover-new-details-on-severity-of-google-chrome-zero-day-vulnerability-cve-2023-4863/ - https://nvd.nist.gov/vuln/detail/CVE-2023-4863

Apple Rolls Out Security Patches for Actively Exploited iOS Zero-Day Flaw

Apple on Wednesday rolled out security patches to address a new zero-day flaw in iOS and iPadOS that it said has come under active exploitation in the wild. Tracked as CVE-2023-42824, the kernel vulnerability could be abused by a local attacker to elevate their privileges. The iPhone maker said it addressed the problem with improved checks. "Apple is aware of a report that this issue may have

Atlassian Confluence Hit by Newly Actively Exploited Zero-Day – Patch Now

Atlassian has released fixes to contain an actively exploited critical zero-day flaw impacting publicly accessible Confluence Data Center and Server instances. The vulnerability, tracked as CVE-2023-22515, is remotely exploitable and allows external attackers to create unauthorized Confluence administrator accounts and access Confluence servers. It does not impact Confluence versions prior to