#buffer_overflow

Apple has released yet another round of security patches to address three actively exploited zero-day flaws impacting iOS, iPadOS, macOS, watchOS, and Safari, taking the total tally of zero-day bugs discovered in its software this year to 16. The list of security vulnerabilities is as follows - CVE-2023-41991 - A certificate validation issue in the Security framework that could allow a

Due to failure in validating the length provided by an attacker-crafted PostScript document, CUPS and libppd are susceptible to a heap-based buffer overflow and possibly code execution. This issue has been fixed in CUPS version 2.4.7, released in September of 2023.

**Google is aware that an exploit for [CVE-2023-4863](https://www.cve.org/CVERecord?id=CVE-2023-4863) exists in the wild.** ### Description Heap buffer overflow in WebP in Google Chrome prior to 116.0.5845.187 allowed a remote attacker to perform an out of bounds memory write via a crafted HTML page. (Chromium security severity: Critical) ### References - https://www.cve.org/CVERecord?id=CVE-2023-4863 - https://nvd.nist.gov/vuln/detail/CVE-2023-4863 - https://www.techtarget.com/searchsecurity/news/366551978/Browser-companies-patch-critical-zero-day-vulnerability

Red Hat Security Advisory 2023-5309-01 - The libwebp packages provide a library and tools for the WebP graphics format. WebP is an image format with a lossy compression of digital photographic images. WebP consists of a codec based on the VP8 format, and a container based on the Resource Interchange File Format. Webmasters, web developers and browser developers can use WebP to compress, archive, and distribute digital images more efficiently. Issues addressed include a buffer overflow vulnerability.

View CSAF 1. EXECUTIVE SUMMARY CVSS v3 9.8 ATTENTION: Exploitable remotely/low attack complexity Vendor: Rockwell Automation Equipment: 1756-EN2T, 1756-EN2TK, 1756-EN2TXT, 1756-EN2TP, 1756-EN2TPK, 1756-EN2TPXT, 1756-EN2TR, 1756-EN2TRK, 1756-EN2TRXT, 1756-EN2F, 1756-EN2FK, 1756-EN3TR, 1756-EN3TRK Vulnerability: Stack-based Buffer Overflow 2. RISK EVALUATION Successful exploitation of this vulnerability could allow an attacker to achieve remote code execution. 3. TECHNICAL DETAILS 3.1 AFFECTED PRODUCTS The following versions of Rockwell Automation Logix Communication Modules, are affected: 1756-EN2T Series A: versions 5.008 and prior 1756-EN2T Series A: version 5.028 1756-EN2T Series B: versions 5.008 and prior 1756-EN2T Series B: version 5.028 1756-EN2T Series C: versions 5.008 and prior 1756-EN2T Series C: version 5.028 1756-EN2T Series D: versions 11.002 and prior 1756-EN2TK Series A: versions 5.008 and prior 1756-EN2TK Series A: version 5.028 1756-EN2TK Series B: versions 5.008 and ...

View CSAF 1. EXECUTIVE SUMMARY CVSS v3 9.6 ATTENTION: Exploitable remotely/low attack complexity/public exploits are available/known public exploitation Vendor: Rockwell Automation Equipment: Connected Components Workbench Vulnerabilities: Use After Free, Out-of-bounds Write 2. RISK EVALUATION Successful exploitation of these vulnerabilities could allow an attacker to exploit heap corruption via a crafted HTML. 3. TECHNICAL DETAILS 3.1 AFFECTED PRODUCTS The following versions of Rockwell Automation Connected Components Workbench Smart Security Manager are affected: Connected Components Workbench: versions prior to R21 3.2 Vulnerability Overview 3.2.1 USE AFTER FREE CWE-416 Connected Components Workbench utilizes CefSharp version 81.3.100 that contains a use after free vulnerability in Google Chrome versions before 86.0.4240.198. If exploited, a remote threat actor could potentially perform a sandbox escape via a crafted HTML page. CVE-2020-16017 has been assigned to this vulnerability....

Buffer Overflow vulnerability in JerryScript version 3.0, allows remote attackers to execute arbitrary code via ecma_stringbuilder_append_raw component at /jerry-core/ecma/base/ecma-helpers-string.c.

An update for libwebp 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 vulnerability from the CVE link(s) in the References section.This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original. Related CVEs: * CVE-2023-4863: A heap-based buffer flaw was found in the way libwebp, a library used to process "WebP" image format data, processes certain specially formatted WebP images. An attacker could use this flaw to crash or execute remotely arbitrary code in an application such as a web browser compiled with this library.

A buffer overflow vulnerability exists in the Rockwell Automation select 1756-EN* communication devices. If exploited, a threat actor could potentially leverage this vulnerability to perform a remote code execution. To exploit this vulnerability, a threat actor would have to send a maliciously crafted CIP request to device.

Red Hat Security Advisory 2023-5239-01 - Kernel-based Virtual Machine offers a full virtualization solution for Linux on numerous hardware platforms. The virt:rhel module contains packages which provide user-space components used to run virtual machines using KVM. The packages also provide APIs for managing and interacting with the virtualized systems. Issues addressed include buffer overflow, code execution, and denial of service vulnerabilities.