Early Review of LibreSSL Finds Problematic PRNG

When the OpenBSD foundation sent LibreSSL out the door last weekend, it was with the full intention of getting some feedback and scrutiny in return, all in the name of making the crypto library stable and secure. What they likely didn’t expect were claims surfacing that LibreSSL shared some of th...

LibreSSL Portable Fork Of OpenSSL Released

After months of code cleanup and rewriting, the OpenBSD Foundation this weekend sent LibreSSL out the door. The slimmed down OpenSSL fork works on a number of platforms beyond OpenBSD, including several Linux flavors, Solaris, Mac OS X and Free BSD. “I firmly believe that LibreSSL is in a better...

screen 4.0.3 - Local Authentication Bypass Vulnerability (OpenBSD)

No description provided by source. / / / / / / / / / / / / / // / / / / / / / / / // / / / // // / / / / / // ///// // // // Helith - 0815 -------------------------------------------------------------------------------- Author : Rembrandt Date : 2007-06-03 Affected Software: screen = 4.0.3 Affect...

FreeBSD <= 8.0 and OpenBSD 4.x 'ftpd' NULL Pointer Dereference Denial Of Service Vulnerability

No description provided by source. source: http://www.securityfocus.com/bid/38559/info The FreeBSD and OpenBSD 'ftpd' service is prone to a denial-of-service vulnerability because of a NULL-pointer dereference. Successful exploits may allow remote attackers to cause denial-of-service conditions...

OpenSSH 3.x Challenge-Response Buffer Overflow Vulnerabilities (1)

No description provided by source. source: http://www.securityfocus.com/bid/5093/info The OpenSSH team has reported two vulnerabilities in OpenSSH that are remotely exploitable and may allow for unauthenticated attackers to obtain root privileges. The conditions are related to the OpenSSH SSH2...

Multiple Vendors libc:fts_*() - Local Denial of Service Exploit

No description provided by source. -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 libc:fts:multiple vendors, Denial-of-service Author: Maksymilian Arciemowicz SecurityReason.com Date: - - Dis.: 21.10.2008 - - Pub.: 04.03.2009 CVE: CVE-2009-0537 We are going informing all vendors, about this proble...

wu-ftpd 2.6.2 - Remote Root Exploit (advanced version)

No description provided by source. / wu-ftpd v2.6.2 off-by-one remote 0day exploit. exploit by you dong-hunXpl017Elz, [email protected]. Update: v0.0.2 August 2, I added wu-ftpd-2.6.2, 2.6.0, 2.6.1 finally. v0.0.3 August 3, Brute-Force function addition. v0.0.4 August 4, Added FreeBSD, OpenBSD...

OpenBSD 2.x fstat Format String Vulnerability

No description provided by source. source: http://www.securityfocus.com/bid/1746/info fstat is a program shipped with BSD unix variants that is used to list the open files on a system. It is installed sgid kmem so it can access information about open files from the kernel memory structures. A use...

OpenBSD 3.3/3.4 sysctl Local Denial of Service Vulnerability

No description provided by source. source: http://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...

Samba 2.2.8 - Remote Root Exploit - sambal.c

No description provided by source. / Remote root exploit for Samba 2.2.x and prior that works against Linux all distributions, FreeBSD 4.x, 5.x, NetBSD 1.x and OpenBSD 2.x, 3.x and 3.2 non-executable stack. sambal.c is able to identify samba boxes. It will send a netbios name packet to port 137. ...

OpenBSD - ICMPv6 Fragment Remote Execution Exploit PoC

No description provided by source. The PoC executes the shellcode int 3 and returns. It overwrites the extfree function pointer on the mbuf and forces a mfreem on the overflowed packet. The Impacket library is used to craft and send packets http://oss.coresecurity.com/projects/impacket.html or...

FreeBSD 2.2-4.2,NetBSD 1.2-4.5,OpenBSD 2.x ftpd glob() Buffer Overflow

No description provided by source. source: http://www.securityfocus.com/bid/2548/info The BSD ftp daemon and derivatives such as IRIX ftpd or the ftp daemon shipped with Kerberos 5 contain a number of buffer overflows that may lead to a compromise of root access to malicious users. During parsing...

Apache 1.x/2.0.x Chunked-Encoding Memory Corruption Vulnerability (1)

No description provided by source. source: http://www.securityfocus.com/bid/5033/info When processing requests coded with the 'Chunked Encoding' mechanism, Apache fails to properly calculate required buffer sizes. This is believed to be due to improper signed interpretation of an unsigned integer...

OpenBSD 3.3/3.4 semctl/semop Local Unexpected Array Indexing Vulnerability

No description provided by source. source: http://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 handling a user-supplied semaphore...

FreeBSD <= 5.0,NetBSD <= 1.4.2,OpenBSD <= 2.7 setsockopt() Dos

No description provided by source. source: http://www.securityfocus.com/bid/622/info A denial of service attack exists that affects FreeBSD, NetBSD and OpenBSD, and potentially other operating systems based in some part on BSD. It is believed that all versions of these operating systems are...

OpenBSD 3.3 Semget() Integer Overflow Vulnerability (2)

No description provided by source. source: http://www.securityfocus.com/bid/8464/info A vulnerability has been discovered in the OpenBSD semget system call. The problem occurs due to insufficient sanity checks before allocating memory using the user-supplied nsems value as an argument. As a resul...

OpenBSD 3.3 Semget() Integer Overflow Vulnerability (1)

No description provided by source. source: http://www.securityfocus.com/bid/8464/info A vulnerability has been discovered in the OpenBSD semget system call. The problem occurs due to insufficient sanity checks before allocating memory using the user-supplied nsems value as an argument. As a resul...

BSD lpr 2000.05.07/0.48/0.72,lpr-ppd 0.72 Local Buffer Overflow Vulnerability (1)

No description provided by source. source: http://www.securityfocus.com/bid/7025/info It has been reported that a vulnerability in the handling of some types of requests exists in lprm. When an attacker sends a maliciously crafted string to a configured printer through the lprm command, it may be...

Snes9x 1.3 - Local Buffer Overflow Vulnerability

No description provided by source. source: http://www.securityfocus.com/bid/3437/info Snes9x is a free Super Nintendo emulator that runs on a number of platforms. Snes9x is prone to a buffer overflow. This is due to improper bounds checking of rom names. In this case, 4089 characters are required...

K-Meleon 1.5.3 - Remote Array Overrun

No description provided by source. From Full Disclosure: http://seclists.org/fulldisclosure/2009/Nov/222 -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 K-Meleon 1.5.3 Remote Array Overrun Arbitrary code execution Author: Maksymilian Arciemowicz and sp3x http://SecurityReason.com Date: - - Dis.:...