123 matches found
CVE-2006-4436
isakmpd in OpenBSD 3.8, 3.9, and possibly earlier versions, creates Security Associations SA with a replay window of size 0 when isakmpd acts as a responder during SA negotiation, which allows remote attackers to replay IPSec packets and bypass the replay protection...
OpenBSD 2.0 - 3.6 TCP TIMESTAMP Remote Denial of Service Exploit
Exploit for bsd platform in category dos / poc ================================================================ OpenBSD 2.0 - 3.6 TCP TIMESTAMP Remote Denial of Service Exploit ================================================================ define BSDSOURCE include include include include includ...
OpenBSD 2.0 < 3.6 - TCP Timestamp Remote Denial of Service
define BSDSOURCE include include include include include include include include include include include / edited by /str0ke ! milw0rm.com to compile under linux / ifndef TCPOPTLEN define TCPOPTLEN 12 endif define UMASK 0xffff define TIMESTAMP 0x7b000000 // 123 in hex - change it, this will...
[SA13819] OpenBSD TCP Retransmission Timeout Calculation Denial of Service
TITLE: OpenBSD TCP Retransmission Timeout Calculation Denial of Service SECUNIA ADVISORY ID: SA13819 VERIFY ADVISORY: http://secunia.com/advisories/13819/ CRITICAL: Not critical IMPACT: DoS WHERE: Local system OPERATING SYSTEM: OpenBSD 3.x http://secunia.com/product/100/ DESCRIPTION: A...
CVE-2005-0740
The TCP stack tcpinput.c in OpenBSD 3.5 and 3.6 allows remote attackers to cause a denial of service system panic via crafted values in the TCP timestamp option, which causes invalid arguments to be used when calculating the retransmit timeout...
CVE-2004-0114
The shmat system call in the System V Shared Memory interface for FreeBSD 5.2 and earlier, NetBSD 1.3 and earlier, and OpenBSD 2.6 and earlier, does not properly decrement a shared memory segment's reference count when the vmmapfind function fails, which could allow local users to gain read or...
CVE-2004-0257
OpenBSD 3.4 and NetBSD 1.6 and 1.6.1 allow remote attackers to cause a denial of service crash by sending an IPv6 packet with a small MTU to a listening port and then issuing a TCP connect to that port...
Vulnerability: OpenBSD 3.5 Kernel Panic.
Hi, I have posted this vulnerability note to CERT and gotten no response. It is remotely exploitable, but since it requires commands to be executed as root on the gateway machine, it is unlikely to cause any unplanned disruption. OpenBSD was contacted, and they provided a patch within 12 hours...
CVE-2004-0819
The bridge functionality in OpenBSD 3.4 and 3.5, when running a gateway configured as a bridging firewall with the link2 option for IPSec enabled, allows remote attackers to cause a denial of service crash via an ICMP echo ping packet...
[UNIX] OpenBSD Procfs Memory Disclosure Vulnerability
The following security advisory is sent to the securiteam mailing list, and can be found at the SecuriTeam web site: http://www.securiteam.com - - promotion The SecuriTeam alerts list - Free, Accurate, Independent. Get your security news from a reliable source...
CVE-2004-0221
isakmpd in OpenBSD 3.4 and earlier allows remote attackers to cause a denial of service crash via an ISAKMP packet with a delete payload containing a large number of SPIs, which triggers an out-of-bounds read error, as demonstrated by the Striker ISAKMP Protocol Test Suite...
[PINE-CERT-20040201] reference count overflow in shmat()
------------------------------------------------------------------------------- Pine Digital Security Advisory ------------------------------------------------------------------------------- Advisory ID : PINE-CERT-20040201 CAN-2004-0114 Authors : Joost Pol Vendor Informed : 2004-02-01 Issue date...
CVE-2003-1366
chpass in OpenBSD 2.0 through 3.2 allows local users to read portions of arbitrary files via a hard link attack on a temporary file used to store user database information...
OpenBSD semaphores DoS
DoS on large number of sequential calls to semop with differen semids...
CVE-2003-0955
OpenBSD kernel 3.3 and 3.4 allows local users to cause a denial of service kernel panic and possibly execute arbitrary code in 3.4 via a program with an invalid header that is not properly handled by 1 ibcs2exec.c in the iBCS2 emulation compatibcs2 or 2 execelf.c, which leads to a stack-based...
OpenBSD 3.33.4 - semctlsemop Local Unexpected Array Indexing
OpenBSD 3.33.4 - semctlsemop Local Unexpected Array Indexing // source: https://www.securityfocus.com/bid/9086/info A local OpenBSD kernel vulnerability has been discovered when handling the semctl and semop system calls. The problem specifically occurs due to improper sanity checking before...
OpenBSD 2.x < 3.3 - 'exec_ibcs2_coff_prep_zmagic()' kernel stack overflow
/ OpenBSD 2.x - 3.3 / / execibcs2coffprepzmagic kernel stack overflow / / note: ibcs2 binary compatibility with SCO and ISC is enabled / / in the default install / / Copyright Feb 26 2003 Sinan "noir" Eren / / noir olympos org | noir uberhax0r net / / greets to brother nahual for making this...
OpenBSD 3.33.4 - sysctl Local Denial of Service
OpenBSD 3.33.4 - sysctl Local Denial of Service // source: https://www.securityfocus.com/bid/9073/info A denial of service vulnerability has been reported for OpenBSD, specifically when handling malformed calls to sysctl. By invoking systcl and passing a specific flag in conjunction with a negati...
OpenBSD 3.3/3.4 - 'sysctl' Local Denial of Service
// source: https://www.securityfocus.com/bid/9073/info A denial of service vulnerability has been reported for OpenBSD, specifically when handling malformed calls to sysctl. By invoking systcl and passing a specific flag in conjunction with a negative argument may trigger a kernel panic. This cou...
OpenBSD 2.x/3.x - Local Malformed Binary Execution Denial of Service
// source: https://www.securityfocus.com/bid/8978/info The OpenBSD team has fixed a vulnerability in the OpenBSD kernel when handling certain executables. It appears that the problem lies in the lack of specific sanity checks on binary header values. As a result, a user who constructs a malformed...