Privelege escalation via simpleinit

File descriptor doesn't closed after priveleges are dropped...

simpleinit root exploit - file descriptor left open

Background ---------- Simpleinit is an init program for Linux systems. It is included in the util-linux distribution. More information about simpleinit is available at http://www.atnf.csiro.au/people/rgooch/linux/boot-scripts/. Problem ------- Simpleinit leaves a file descriptor open in some chil...

Richard Gooch SimpleInit 2.0.2 - Open File Descriptor

Richard Gooch SimpleInit 2.0.2 - Open File Descriptor // source: https://www.securityfocus.com/bid/5001/info A vulnerability has been reported for simpleinit that may allow users to execute arbitrary commands as the superuser. The vulnerability occurs because simpleinit may allow some child...

Richard Gooch SimpleInit 2.0.2 - Open File Descriptor

// source: https://www.securityfocus.com/bid/5001/info A vulnerability has been reported for simpleinit that may allow users to execute arbitrary commands as the superuser. The vulnerability occurs because simpleinit may allow some child processes to inherit a file descriptor with read-write...

CVE-2002-0564

PL/SQL module 3.0.9.8.2 in Oracle 9i Application Server 1.0.2.x allows remote attackers to bypass authentication for a Database Access Descriptor DAD by modifying the URL to reference an alternate DAD that already has valid credentials...

CVE-2002-0572

FreeBSD 4.5 and earlier, and possibly other BSD-based operating systems, allows local users to write to or read from restricted files by closing the file descriptors 0 standard input, 1 standard output, or 2 standard error, which may then be reused by a called setuid process that intended to...

CVE-2002-0564: Undefined Security Weakness

PL/SQL module 3.0.9.8.2 in Oracle 9i Application Server 1.0.2.x allows remote attackers to bypass authentication for a Database Access Descriptor DAD by modifying the URL to reference an alternate DAD that already has valid credentials...

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...

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...

Security Advisory FreeBSD-SA-02:23.stdio

-----BEGIN PGP SIGNED MESSAGE----- ============================================================================= FreeBSD-SA-02:23.stdio Security Advisory The FreeBSD Project Topic: insecure handling of stdio file descriptors Category: core Module: kernel Announced: 2002-04-22 Credits: Joost Pol...

Apple Mac OSX 10.x / FreeBSD 4.x / OpenBSD 2.x / Solaris 2.5/2.6/7.0/8 - 'exec C Library' Standard I/O File Descriptor Closure

/ source: https://www.securityfocus.com/bid/4568/info It has been reported that BSD-based kernels do not check to ensure that the C library standard I/O file descriptors 0-2 are valid open files before execing setuid images. Consequently, I/O that are opened by a setuid process may be assigned fi...

Oracle9i Application Server allows unauthenticated access to PL/SQL applications via alternate Database Access Descriptor

Overview A vulnerability exists in the Apache Procedural Language/Structured Query Language PL/SQL module used by Oracle9i Application Server iAS. By specifying the Database Access Descriptor DAD used to access a PL/SQL application, an attacker could gain unauthorized access to the application...

Oracle9i Application Server Apache PL/SQL module vulnerable to buffer overflow via Database Access Descriptor password

Overview A buffer overflow vulnerability exists in the Apache Procedural Language/Structured Query Language PL/SQL module used by Oracle9i Application Server iAS. Specifying a crafted password for a Database Access Descriptor DAD could cause a denial of service or execute arbitrary code with the...

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...

Locally exploitable races in OpenBSD VFS

my apologies if it ends up submitted twice Let's start with the trivial: good old aliasing bugs. Example 1: dup2 vs. close. Relevant file: kern/kerndescrip.c sysdup2p, v, retval struct proc p; void v; registert retval; snip if uintold = fdp-fdnfiles || fdp-fdofilesold == NULL || uintnew =...

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-2001-0268: Undefined Security Weakness

The i386setldt system call in NetBSD 1.5 and earlier, and OpenBSD 2.8 and earlier, when the USERLDT kernel option is enabled, does not validate a call gate target, which allows local users to gain root privileges by creating a segment call gate in the Local Descriptor Table LDT with a target that...

CVE-2001-0268

The i386setldt system call in NetBSD 1.5 and earlier, and OpenBSD 2.8 and earlier, when the USERLDT kernel option is enabled, does not validate a call gate target, which allows local users to gain root privileges by creating a segment call gate in the Local Descriptor Table LDT with a target that...

CVE-2000-1040

CVE-2000-1040 concerns a format string vulnerability in the logging function of ypbind 3.3 when run in debug mode. The flaw can leak file descriptors and allow a denial of service. Some sources (Mandrake MDKSA-2000:064) also mention a related buffer overflow in ypserv if the build system lacks vs...

CVE-2000-1235: Undefined Security Weakness

The default configurations of 1 the port listener and 2 modplsql in Oracle Internet Application Server IAS 3.0.7 and earlier allow remote attackers to view privileged database information via HTTP requests for Database Access Descriptor DAD files...