CVE-2002-0514

OpenBSD 3.0 PF with the return-rst rule is vulnerable. The RST packet’s TTL is set to 128, allowing remote attackers to infer whether a port is filtered by comparing TTL to the default. Affected component: PF rule handling in OpenBSD 3.0. Root cause: TTL manipulation in RST responses leads to dis...

CVE-2002-0514: Observable Discrepancy

PF in OpenBSD 3.0 with the return-rst rule sets the TTL to 128 in the RST packet, which allows remote attackers to determine if a port is being filtered because the TTL is different than the default TTL...

PT-2002-1565 · Openbsd · Openbsd

Name of the Vulnerable Software and Affected Versions: OpenBSD version 3.0 Description: The issue allows remote attackers to determine if a port is being filtered due to the TTL being different from the default TTL in the RST packet. This occurs because the PF in OpenBSD 3.0 with the return-rst...

CVE-2002-0557: Undefined Security Weakness

Vulnerability in OpenBSD 3.0, when using YP with netgroups in the password database, causes 1 rexec or 2 rsh to run another user's shell, or 3 atrun to change to a different user's directory, possibly due to memory allocation failures or an incorrect call to authapproval...

OpenBSD kernel fails to properly check closed file descriptors "0-2" when running setuid program

Overview The OpenBSD kernel does not adequately check file descriptors 0-2 prior to execing setuid binaries. Other OS kernels may be vulnerable as well. Description The OpenBSD kernel does not adequately check file descriptors 0-2 prior to execing setuid binaries. As a result, an attacker may be...

psyBNC 2.3 - Denial of Service

/ psyBNC include include include include include include include include include define SIZE 9000 define PORT 31337 define USER "pr0ix" int senddosint port, int size, char target, char user; int checkvuln...

OpenBSD local DoS and root exploit

The following is research material from FozZy from Hackademy and Hackerz Voice newspaper http://www.hackerzvoice.org, and can be distributed modified or not if proper credits are given to them. For educational purposes only, no warranty of any kind, I may be wrong, this post could kill you mail...

Privelege escalation via cron in OpenBSD

During mail'ing of job results shell characters are not properly escaped for mail command...

OpenBSD Local Root Compromise

ZOOM International Security Advisory OpenBSD local root compromise Systems affected: OpenBSD all version, OpenBSD Current prior April 8, 2002 Risk: High Date: April 11, 2002 Legal Notice: This advisory is copyright c ZOOM International. Disclaimer: Information contained in this advisory are...

OpenBSD 2.93.0 - Default Crontab Root Command Injection

OpenBSD 2.93.0 - Default Crontab Root Command Injection / source: https://www.securityfocus.com/bid/4495/info OpenBSD ships with a number of cron jobs configured by default. The tasks are for the purpose of summarizing system information. The mail1 utility is used to send the summaries to the roo...

OpenBSD 2.9/3.0 - Default Crontab Root Command Injection

/ source: https://www.securityfocus.com/bid/4495/info OpenBSD ships with a number of cron jobs configured by default. The tasks are for the purpose of summarizing system information. The mail1 utility is used to send the summaries to the root user. This utility supports escaped characters in...

TCP Connections to a Broadcast Address on BSD-Based Systems

BSD-based TCP/IP code has a bug with respect to creating TCP connections to a broadcast address. This bug can potentially be a security vulnerability when firewall administrators assume that the TCP implementation works correctly and do not block broadcast addresses. If good security practices ha...

CVE-2001-1047

OpenBSD kernel VFS is impacted by a race condition that can lead to a local denial of service (kernel panic). The vulnerability arises when (1) a pipe is created in one thread and another thread closes/sets a descriptor to NULL, or (2) dup2 is used on a descriptor in one process and it is later s...

CVE-2001-1047

Race condition in OpenBSD VFS allows local users to cause a denial of service kernel panic by 1 creating a pipe in one thread and causing another thread to set one of the file descriptors to NULL via a close, or 2 calling dup2 on a file descriptor in one process, then setting the descriptor to NU...

CVE-2001-1047: Undefined Security Weakness

Race condition in OpenBSD VFS allows local users to cause a denial of service kernel panic by 1 creating a pipe in one thread and causing another thread to set one of the file descriptors to NULL via a close, or 2 calling dup2 on a file descriptor in one process, then setting the descriptor to NU...

Проблемы ptrace() в OpenBSD/NetBSD (privelege escalation)

С помощью ptrace можно изменить последовательность выполнения suid-приложения...

OpenBSD - ftp Local Overflow

OpenBSD - ftp Local Overflow / 7350-crocodile - x86/OpenBSD ftp exploit by lorian and scut / TESO=20 TESO CONFIDENTIAL - SOURCE MATERIALS This is unpublished proprietary source code of TESO Security. The contents of these coded instructions, statements and computer programs may not be disclosed t...

OpenBSD ftp Exploit (teso)

Exploit for bsd platform in category local exploits ========================== OpenBSD ftp Exploit teso ========================== / 7350-crocodile - x86/OpenBSD ftp exploit by lorian and scut / TESO=20 TESO CONFIDENTIAL - SOURCE MATERIALS This is unpublished proprietary source code of TESO...

OpenBSD - 'ftp' Local Overflow

/ 7350-crocodile - x86/OpenBSD ftp exploit by lorian and scut / TESO=20 TESO CONFIDENTIAL - SOURCE MATERIALS This is unpublished proprietary source code of TESO Security. The contents of these coded instructions, statements and computer programs may not be disclosed to third parties, copied or...

CVE-2001-1559

The uipc system calls uipcsyscalls.c in OpenBSD 2.9 and 3.0 provide user mode return instead of versus rval kernel mode values to the fdrelease function, which allows local users to cause a denial of service and trigger a null dereference...