PT-2021-24746

Name of the Vulnerable Software and Affected Versions Linux Kernel versions v5.5 through v5.12.3 Description The issue is related to a fix for an off-by-one error in the hdmi 14 process transaction function. The actual impact and attack plausibility have not yet been proven. Recommendations For...

PT-2021-24847

Name of the Vulnerable Software and Affected Versions: Linux Kernel versions prior to v5.10.37 Description: The issue is related to a fix for an off-by-one error in the hdmi 14 process transaction function. The actual impact and attack plausibility have not yet been proven. Recommendations: For...

PT-2021-28740

Name of the Vulnerable Software and Affected Versions Linux Kernel versions v5.5 through v5.12.3 Description The issue is related to a fix for an off-by-one error in the hdmi 14 process transaction function. The actual impact and attack plausibility have not yet been proven. Recommendations For...

[SECURITY] [DLA 2670-1] nginx security update

----------------------------------------------------------------------- Debian LTS Advisory DLA-2670-1 [email protected] https://www.debian.org/lts/security/ Utkarsh Gupta May 30, 2021 https://wiki.debian.org/LTS - -----------------------------------------------------------------------...

CVE-2021-33564

An argument injection vulnerability in the Dragonfly gem before 1.4.0 for Ruby allows remote attackers to read and write to arbitrary files via a crafted URL when the verifyurl option is disabled. This may lead to code execution. The problem occurs because the generate and process features...

in mcfriend99/bird

✍️ Description Heap-based 1-byte write violation. Certain programs can cause the parser/syntax-checker to write out of bounds. The below program writes a single byte out of bounds. 🕵️‍♂️ Proof of Concept Program: var a = 'outer' def test var a = 'inner' echo 'It works! $a' echo a echo test test def...

Debian: Security Advisory (DSA-4921-1)

The remote host is missing an update for the Debian SPDX-FileCopyrightText: 2021 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

Remote Code Execution

nginx is vulnerable to remote code execution. A remote attacker who is able to provide DNS responses to a nginx server can likely achieve remote code execution due to an off-by-one error in ngxresolvercopy while processing DNS responses...

[SECURITY] [DSA 4921-1] nginx security update

------------------------------------------------------------------------- Debian Security Advisory DSA-4921-1 [email protected] https://www.debian.org/security/ Moritz Muehlenhoff May 28, 2021 https://www.debian.org/security/faq -...

Johnson Controls Sensormatic Electronics VideoEdge

1. EXECUTIVE SUMMARY CVSS v3 7.8 ATTENTION: Low attack complexity Vendor: Sensormatic Electronics, LLC, a subsidiary of Johnson Controls Equipment: VideoEdge Vulnerability: Off-by-one Error 2. RISK EVALUATION Under specific circumstances, a local authenticated user may be able to exploit this...

nginx 1.20.0 DNS Resolver Off-By-One Heap Write Exploit

An off-by-one error in ngxresolvercopy while processing DNS responses allows a network attacker to write a dot character '.', 0x2E out of bounds in a heap allocated buffer. The vulnerability can be triggered by a DNS response in reply to a DNS request from nginx when the resolver primitive is...

Regular Expression Denial of Service (ReDoS)

Overview trim-off-newlines is a Similar to Stringtrim but removes only newlines Affected versions of this package are vulnerable to Regular Expression Denial of Service ReDoS via string processing. PoC const trim = require'trim-off-newlines'; for let i=10; i 25; i += 1 const s = 'a' + "rn".repeat...

CVE-2021-23017

A flaw was found in nginx. An off-by-one error while processing DNS responses allows a network attacker to write a dot character out of bounds in a heap allocated buffer which can allow overwriting the least significant byte of next heap chunk metadata likely leading to a remote code execution in...

nginx 1.20.0 DNS Resolver Off-By-One Heap Write

Advisory X41-2021-002: nginx DNS Resolver Off-by-One Heap Write Vulnerability ============================================================================= Severity Rating: High Confirmed Affected Versions: 0.6.18 - 1.20.0 Confirmed Patched Versions: 1.21.0, 1.20.1 Vendor: F5, Inc. Vendor URL:...

Nginx < 1.20.1 Off-By-One Heap Write

According to its self-reported version number, the detected version of nginx is prior to 1.20.1. It is, therefore, affected by an off-by-one error in ngxresolvercopy while processing DNS responses. Note that the scanner has not tested for these issues but has instead relied only on the...

GHSA-JFP7-4J67-8R3Q Heap buffer overflow caused by rounding

Impact An attacker can trigger a heap buffer overflow in tf.rawops.QuantizedResizeBilinear by manipulating input values so that float rounding results in off-by-one error in accessing image elements: python import tensorflow as tf l = 256, 328, 361, 17, 361, 361, 361, 361, 361, 361, 361, 361, 361...

EFB Tampering 3. Take-off pt1

Take-off Performance Part 1: Introduction, Thrust & Speeds TL;DR Take-off performance applications perform calculations to provide critical take-off performance data to pilots e.g. thrust/trim/flap setting for take-off Modifying any one of these could have severe consequences. For example, an...

EFB Tampering 3. Take-off pt2

Take-off Performance Part 2: Flap, Trim, Database and Sources of Data Target: FLAP SETTING There are various forms of flaps and slats. The difference between the two and the technicalities of how they work is outside the scope of this blog. As a general rule flaps extend from the rear/trailing ed...

PYSEC-2021-655

TensorFlow is an end-to-end open source platform for machine learning. An attacker can trigger a heap buffer overflow in tf.rawops.QuantizedResizeBilinear by manipulating input values so that float rounding results in off-by-one error in accessing image elements. This is because the...

CVE-2021-29529: Incorrect Calculation of Buffer Size

TensorFlow is an end-to-end open source platform for machine learning. An attacker can trigger a heap buffer overflow in tf.rawops.QuantizedResizeBilinear by manipulating input values so that float rounding results in off-by-one error in accessing image elements. This is because the...