CVE-2019-19882

CVE-2019-19882 affects Shadow 4.8 when built with --with-libpam but without --disable-account-tools-setuid and without a PAM config compatible with setuid tools, enabling local users to escalate to root via account-management utilities (groupadd, groupdel, groupmod, useradd, userdel, usermod). Th...

[ASA-201912-4] shadow: privilege escalation

Arch Linux Security Advisory ASA-201912-4 ========================================= Severity: High Date : 2019-12-18 CVE-ID : CVE-2019-19882 Package : shadow Type : privilege escalation Remote : No Link : https://security.archlinux.org/AVG-1079 Summary ======= The package shadow before version...

CVE-2017-8284

The disasinsn function in target/i386/translate.c in QEMU before 2.9.0, when TCG mode without hardware acceleration is used, does not limit the instruction size, which allows local users to gain privileges by creating a modified basic block that injects code into a setuid program, as demonstrated...

CVE-2019-19726

OpenBSD through 6.6 allows local users to escalate to root because a check for LDLIBRARYPATH in setuid programs can be defeated by setting a very small RLIMITDATA resource limit. When executing chpass or passwd which are setuid root, dlsetupenv in ld.so tries to strip LDLIBRARYPATH from the...

CVE-2019-19726

OpenBSD through 6.6 allows local users to escalate to root because a check for LDLIBRARYPATH in setuid programs can be defeated by setting a very small RLIMITDATA resource limit. When executing chpass or passwd which are setuid root, dlsetupenv in ld.so tries to strip LDLIBRARYPATH from the...

Code injection

OpenBSD through 6.6 allows local users to escalate to root because a check for LDLIBRARYPATH in setuid programs can be defeated by setting a very small RLIMITDATA resource limit. When executing chpass or passwd which are setuid root, dlsetupenv in ld.so tries to strip LDLIBRARYPATH from the...

CVE-2019-19726

OpenBSD OpenBSD ld.so local privilege escalation (CVE-2019-19726) affects OpenBSD releases up to 6.6. The vulnerability arises when a small RLIMIT_DATA limit prevents _dl_setup_env from stripping LD_LIBRARY_PATH for setuid root programs (chpass/passwd), allowing an attacker to execute code as roo...

PT-2019-15929 · Openbsd · Openbsd

Name of the Vulnerable Software and Affected Versions: OpenBSD versions through 6.6 Description: The issue allows local users to escalate to root because a check for LD LIBRARY PATH in setuid programs can be defeated by setting a very small RLIMIT DATA resource limit. When executing chpass or...

Updated glibc packages fix security vulnerability

Updated glibc packages fixes the following security issue: On the x86-64 architecture, the GNU C Library aka glibc before 2.31 fails to ignore the LDPREFERMAP32BITEXEC environment variable during program execution after a security transition, allowing local attackers to restrict the possible...

CVE-2019-18276

A privilege escalation vulnerability was found in bash in the way it dropped privileges when started with an effective user id not equal to the real user id. Bash may be vulnerable to this flaw if the setuid permission is set and the owner of the bash program itself is a non-root user. A local...

Bash 5.0 Patch 11 - SUID Priv Drop Exploit

Exploit Title : Bash 5.0 Patch 11 - SUID Priv Drop Exploit Original Author: Ian Pudney , Chet Ramey Exploit Author : Mohin Paramasivam Shad0wQu35t Version : pwn.c cat pwn.c include include include void attributec...

Bash 5.0 Patch 11 - SUID Priv Drop Exploit

Bash 5.0 Patch 11 - SUID Priv Drop Exploit Exploit Title : Bash 5.0 Patch 11 - SUID Priv Drop Exploit Date : 2019-11-29 Original Author: Ian Pudney , Chet Ramey Exploit Author : Mohin Paramasivam Shad0wQu35t Version : pwn.c cat pwn.c include...

Bash 5.0 Patch 11 Privilege Escalation

Exploit Title : Bash 5.0 Patch 11 - SUID Priv Drop Exploit Date : 2019-11-29 Original Author: Ian Pudney , Chet Ramey Exploit Author : Mohin Paramasivam Shad0wQu35t Version : pwn.c cat E...

Design/Logic Flaw

An issue was discovered in disableprivmode in shell.c in GNU Bash through 5.0 patch 11. By default, if Bash is run with its effective UID not equal to its real UID, it will drop privileges by setting its effective UID to its real UID. However, it does so incorrectly. On Linux and other systems th...

CVE-2019-18276

CVE-2019-18276 affects GNU Bash up to 5.0 patch 11, where disable_priv_mode in shell.c incorrectly drops privileges when UID real != effective, leaving the saved UID intact. An attacker with shell command execution can use enable -f to load a new builtin (shared object) that calls setuid(), regai...

GNU Mailutils 3.7 - Privilege Escalation Exploit

Exploit Title: GNU Mailutils 3.7 - Local Privilege Escalation Date: 2019-11-06 Exploit Author: Mike Gualtieri Vendor Homepage: https://mailutils.org/ Software Link: https://ftp.gnu.org/gnu/mailutils/mailutils-3.7.tar.gz Version: 2.0 = 3.7 Tested on: Gentoo CVE : CVE-2019-18862 Title : GNU Mailuti...

GNU Mailutils 3.7 - Privilege Escalation

Exploit Title: GNU Mailutils 3.7 - Local Privilege Escalation Date: 2019-11-06 Exploit Author: Mike Gualtieri Vendor Homepage: https://mailutils.org/ Software Link: https://ftp.gnu.org/gnu/mailutils/mailutils-3.7.tar.gz Version: 2.0 = 3.7 Tested on: Gentoo CVE : CVE-2019-18862 Title : GNU Mailuti...

GNU Mailutils 3.7 - Privilege Escalation

GNU Mailutils 3.7 - Privilege Escalation Exploit Title: GNU Mailutils 3.7 - Local Privilege Escalation Date: 2019-11-06 Exploit Author: Mike Gualtieri Vendor Homepage: https://mailutils.org/ Software Link: https://ftp.gnu.org/gnu/mailutils/mailutils-3.7.tar.gz Version: 2.0 = 3.7 Tested on: Gentoo...

CVE-2019-19126

A vulnerability was discovered in glibc where the LDPREFERMAP32BITEXEC environment variable is not ignored when running binaries with the setuid flag on x8664 architectures. This allows an attacker to force system to utilize only half of the memory making the system think the software is 32-bit...

GNU C Library ASLR Bypass Vulnerability

The GNU C Library glibc is an open-source, free, easy-to-download C compiler released under the LGPL license. An ASLR bypass vulnerability exists in GNU C Library glibc versions prior to 2.31 on the x86-64 architecture. The vulnerability stems from GNU C Library failing to ignore the...