Apache 2.0.4x mod_php - File Descriptor Leakage (2)

// source: https://www.securityfocus.com/bid/9302/info Reportedly, the Apache modphp module may be prone to a vulnerability that may allow a local attacker to gain access to privileged file descriptors. As a result, the attacker may pose as a legitimate server and possibly steal or manipulate...

CVE-2003-0476

The execve system call in Linux 2.4.x records the file descriptor of the executable process in the file table of the calling process, which allows local users to gain read access to restricted file descriptors...

CVE-2002-1372

Common Unix Printing System CUPS 1.1.14 through 1.1.17 does not properly check the return values of various file and socket operations, which could allow a remote attacker to cause a denial of service resource exhaustion by causing file descriptors to be assigned and not released, as demonstrated...

openbsd-select-bug.txt

Hi there, Recently a bug in the select syscall of openbsd was published. This text describes the details and the eventual exploitation of this bug. First of all let us look at the definition of select: int selectint nfds, fdset readfds, fdset writefds, fdset exceptfds, struct timeval timeout; The...

CVE-2002-1125

FreeBSD port programs that use libkvm for FreeBSD 4.6.2-RELEASE and earlier, including 1 asmon, 2 ascpu, 3 bubblemon, 4 wmmon, and 5 wmnet2, leave open file descriptors for /dev/mem and /dev/kmem, which allows local users to read kernel memory...

Unsafe file descriptors handling in FreeBSD libkvm

Launched user supplied application still have access to file descriptors...

iDEFENSE Security Advisory 09.16.2002: FreeBSD Ports libkvm Security Vulnerabilities

iDEFENSE Security Advisory 09.16.2002 FreeBSD Ports libkvm Security Vulnerabilities DESCRIPTION The FreeBSD ports asmon, ascpu, bubblemon, wmmon, and wmnet2 can be locally manipulated to take advantage of open file descriptors /dev/mem and /dev/kmem to gain root privileges on a target host. These...

CVE-2002-1125

FreeBSD port programs that use libkvm for FreeBSD 4.6.2-RELEASE and earlier, including 1 asmon, 2 ascpu, 3 bubblemon, 4 wmmon, and 5 wmnet2, leave open file descriptors for /dev/mem and /dev/kmem, which allows local users to read kernel memory...

CVE-2002-1125

The CVE-2002-1125 issue affects FreeBSD 4.6.2-RELEASE and earlier in FreeBSD port programs that use libkvm (asmon, ascpu, bubblemon, wmmon, wmnet2). The root cause is that these processes leave open file descriptors to /dev/mem and /dev/kmem, allowing a local user to read kernel memory. The provi...

idefense.libkvm.txt

iDEFENSE Security Advisory 09.16.2002 FreeBSD Ports libkvm Security Vulnerabilities DESCRIPTION The FreeBSD ports asmon, ascpu, bubblemon, wmmon, and wmnet2 can be locally manipulated to take advantage of open file descriptors /dev/mem and /dev/kmem to gain root privileges on a target host. These...

ASCPU 0.60 Kernel - Memory File Descriptor Leakage

source: https://www.securityfocus.com/bid/5716/info It has been reported that ascpu is vulnerable to a leakage of open file descriptors that may result in unauthorized disclosure of kernel memory. It is allegedly possible for attackers to inherit the open file descriptors for /dev/mem and /dev/km...

WMMon 1.0 b2 - Memory Character File Open File Descriptor Read

WMMon 1.0 b2 - Memory Character File Open File Descriptor Read source: https://www.securityfocus.com/bid/5718/info It has been reported that wmmon is vulnerable to a leakage of open file descriptors that may result in unauthorized disclosure of kernel memory. It is allegedly possible for attacker...

ASCPU 0.60 Kernel - Memory File Descriptor Leakage

ASCPU 0.60 Kernel - Memory File Descriptor Leakage source: https://www.securityfocus.com/bid/5716/info It has been reported that ascpu is vulnerable to a leakage of open file descriptors that may result in unauthorized disclosure of kernel memory. It is allegedly possible for attackers to inherit...

BubbleMon 1.x Kernel - Memory File Descriptor Leakage

source: https://www.securityfocus.com/bid/5714/info It has been reported that BubbleMon is vulnerable to a leakage of open file descriptors that may result in unauthorized disclosure of kernel memory. It is allegedly possible for attackers to inherit the open file descriptors for /dev/mem and...

DEBIAN-CVE-2002-0871

xinetd 2.3.4 leaks file descriptors for the signal pipe to services that are launched by xinetd, which could allow those services to cause a denial of service via the pipe...

CVE-2002-0820

FreeBSD kernel 4.6 and earlier closes the file descriptors 0, 1, and 2 after they have already been assigned to /dev/null when the descriptors reference procfs or linprocfs, which could allow local users to reuse the file descriptors in a setuid or setgid program to modify critical data and gain...

CVE-2002-0820

CVE-2002-0820: FreeBSD kernels 4.6 and earlier close fds 0, 1, and 2 after they are assigned to /dev/null when the descriptors reference procfs/linprocfs. This could allow a local attacker to reuse those file descriptors in a setuid/setgid program to modify critical data and gain privileges. The ...

Privelege escalation in util-linux chfn

Unchecked race conditions under file decriptors leaves ability to modify /etc/passwd...

CVE-2002-0572

CVE-2002-0572 affects BSD-based systems (notably FreeBSD 4.5 and earlier); the issue arises when a local user closes standard input/output/error (FDs 0–2) and a subsequent setuid-invoked I/O operation reuses those descriptors, allowing read/write access to restricted files. Connected records corr...

CVE-2002-0572: Undefined Security Weakness

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...