tomcat: Apache Tomcat: Access control bypass due to off-by-one error in RewriteValve [N] flag processing

A flaw was found in Apache Tomcat. An off-by-one error in the RewriteValve's N flag processing causes rewrite rules to restart at the second rule instead of the first. This vulnerability may allow an attacker to bypass intended access controls...

OBO

Off-By-One Slides from Off-By-One Conferences Watch all the talks Year ↓| Slides| Youtube playlist ---|---|--- 2024| Slides for Day 1| Day 1 - OffByOne 2024 Online Presentations 2024| Slides for Day 2| Day 2 - OffByOne 2024 Online Presentations...

CVE-2006-3747

Files about my bugtraq publication and first working exploit for CVE-2006-3747 Apache modrewrite LDAP off-by-one buffer overflow. http://www.securityfocus.com/archive/1/443870 Public release date of POC/Exploit: 2006-08-20 Author: Jacobo Avariento Gimeno CVE id: CVE-2006-3747 Bugtraq id: 19204 CE...

CVE-2026-83742 wstrncat() unsigned integer underflow leads to an off-by-one null write in wolfSSH on non-Windows platforms

Unsigned integer underflow in wstrncat in src/port.c in wolfSSL wolfSSH from v1.4.11 through v1.5.0 on non-Windows platforms allows an authenticated remote attacker to write one out-of-bounds null byte past the end of a stack buffer by sending a crafted SFTP path. wolfSSHRealPath in src/ssh.c...

CVE-2026-83742

The wolfSSL wolfSSH library (versions v1.4.11 through v1.5.0 ) is vulnerable on non-Windows platforms due to an unsigned integer underflow in the wstrncat() function within src/port.c. An authenticated remote attacker can trigger this by sending a crafted SFTP path to wolfSSH_RealPath() in src/ss...

Baron-Samedit-Heap-Buffer-Overflow-CVE-2021-3156

Baron-Samedit-Heap-Buffer-Overflow-CVE-2021-3156 Version Vulnarable To The Exploit The Baron Samedit vulnerability CVE-2021-3156 affects sudo legacy versions 1.8.2 through 1.8.31p2 and stable versions 1.9.0 through 1.9.5p1. This heap-based buffer overflow flaw was introduced in July 2011 via comm...

CVE-2022-3602

CVE−2022-3602 What is this? This document and repository is a write-up of CVE−2022-3602, a punycode buffer overflow issue in OpenSSL. It's an "anti-POC" the issue does not appear to exploitable intended for folks who maintain their own OpenSSL builds and for compiler maintainers. There is a...

CVE-2026-98291

The Linux kernel contains a vulnerability in the btintel_pcie component related to the btintel_pcie_submit_rx() function. An off-by-one bounds check error occurs because the function used frbd_index > rxq->count to guard the FRBD array access, incorrectly allowing an index equal to the coun...

CVE-2026-98291

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: btintelpcie: fix off-by-one bounds check in RX submit btintelpciesubmitrx used frbdindex rxq-count to guard the FRBD array access, allowing frbdindex == rxq-count to pass through and index one element past the end of t...

EUVD-2026-93219

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: btintelpcie: fix off-by-one bounds check in RX submit btintelpciesubmitrx used frbdindex rxq-count to guard the FRBD array access, allowing frbdindex == rxq-count to pass through and index one element past the end of t...

PT-2026-106620

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: btintel pcie: fix off-by-one bounds check in RX submit btintel pcie submit rx used frbd index rxq-count to guard the FRBD array access, allowing frbd index == rxq-count to pass through and index one element past the en...

cve-2010-1938

🚀 CVE-2010-1938 FTP Off-by-One Exploit A simple Python script to test an off-by-one vulnerability in the OPIE library CVE-2010-1938. This vulnerability affects certain FTP servers and may allow for Denial of Service DoS or arbitrary code execution. 📜 Description This script targets a known...

CVE-2021-3156

CVE-2021-3156 - Heap-Based Buffer Overflow in Sudo ⚠️ For educational and authorized security research purposes only Original Exploit Authors Very grateful to the original PoC author Qualys Research Team Description Sudo before 1.9.5p2 contains an off-by-one error that can result in a heap-based...

cve-2021-3156

CVE-2021-3156 -- Baron Samedit Vulnerability Environment Create the image using Dockerfile docker build -t cve-2021-3156:ubuntu2004 . Create a container using the image docker run --rm -it cve-2021-3156:ubuntu2004 /bin/bash Vulnerability Cause In Sudo versions prior to 1.9.5p2 , there is an...

CVE-2021-3156

CVE-2021-3156 Sudo before 1.9.5p2 contains an off-by-one error that can result in a heap-based buffer overflow, which allows privilege escalation to root via sudoedit -s and a command-line argument that ends with a single backslash character. Credit to: Advisory by Baron Samedit of Qualys How to...

tomcat: Apache Tomcat: Access control bypass due to off-by-one error in RewriteValve [N] flag processing

A flaw was found in Apache Tomcat. An off-by-one error in the RewriteValve's N flag processing causes rewrite rules to restart at the second rule instead of the first. This vulnerability may allow an attacker to bypass intended access controls...

tomcat: Apache Tomcat: Access control bypass due to off-by-one error in RewriteValve [N] flag processing

A flaw was found in Apache Tomcat. An off-by-one error in the RewriteValve's N flag processing causes rewrite rules to restart at the second rule instead of the first. This vulnerability may allow an attacker to bypass intended access controls...

CVE-2023-40296

CVE-2023-40296 async-sockets-cpp through 0.3.1 contains an off-by-one buffer overflow vulnerability in static void ReceiveFromUDPSocket udpSocket at udpsocket.hpp, around lines 160-167. The buffer overflow affects all corresponding UDP servers. The remote buffer overflow can be triggered by...

cve-2016-6187-poc

poc for https://duasynt.com/blog/cve-2016-6187-heap-off-by-one-exploit...

Important: Red Hat Security Advisory: kernel security, bug fix, and enhancement update

An update for kernel is now available for Red Hat Enterprise Linux 9.6 Extended Update Support. 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...