zsh: insecure dropping of privileges when unsetting PRIVILEGED option

A flaw was found in zsh. When unsetting the PRIVILEGED option, the shell sets its effective user and group IDs to match their respective real IDs. When the RUID and EUID were both non-zero, it is possible to regain the shell's former privileges. Also, the setopt built-in did not correctly report...

Fedora 31 : zsh (2020-3f38f3e517)

drop privileges securely when unsetting PRIVILEGED option CVE-2019-20044 Note that Tenable Network Security has extracted the preceding description block directly from the Fedora update system website. Tenable has attempted to automatically clean and format it as much as possible without...

Unspecified vulnerability in masqmail

masqmail is a mail server. A security vulnerability exists in masqmail versions 0.2.21 through 0.2.30, which stems from the program failing to properly call seteuid, resulting in the inability to correctly remove root privileges from an account, which can be exploited by an attacker to cause a...

CVE-2012-1187: Improper Check for Dropped Privileges

Bitlbee does not drop extra group privileges correctly in unix.c...

CVE-2019-14257

pyraw in Zenoss 2.5.3 allows local privilege escalation by modifying environment variables to redirect execution before privileges are dropped, aka ZEN-31765...

CVE-2019-13272

In the Linux kernel before 5.1.17, ptracelink in kernel/ptrace.c mishandles the recording of the credentials of a process that wants to create a ptrace relationship, which allows local users to obtain root access by leveraging certain scenarios with a parent-child process relationship, where a...

UBUNTU-CVE-2018-6536

An issue was discovered in Icinga 2.x through 2.8.1. The daemon creates an icinga2.pid file after dropping privileges to a non-root account, which might allow local users to kill arbitrary processes by leveraging access to this non-root account for icinga2.pid modification before a root script...

UBUNTU-CVE-2017-14681

The daemon in P3Scan 3.0rc1 and earlier creates a p3scan.pid file after dropping privileges to a non-root account, which might allow local users to kill arbitrary processes by leveraging access to this non-root account for p3scan.pid modification before a root script executes a "kill cat...

CVE-2017-14609

The server daemons in Kannel 1.5.0 and earlier create a PID file after dropping privileges to a non-root account, which might allow local users to kill arbitrary processes by leveraging access to this non-root account for PID file modification before a root script executes a "kill cat /pathname"...

UBUNTU-CVE-2017-14610

bareos-dir, bareos-fd, and bareos-sd in bareos-core in Bareos 16.2.6 and earlier create a PID file after dropping privileges to a non-root account, which might allow local users to kill arbitrary processes by leveraging access to this non-root account for PID file modification before a root scrip...

UBUNTU-CVE-2017-14609

The server daemons in Kannel 1.5.0 and earlier create a PID file after dropping privileges to a non-root account, which might allow local users to kill arbitrary processes by leveraging access to this non-root account for PID file modification before a root script executes a "kill cat /pathname"...

DEBIAN-CVE-2017-14159

slapd in OpenLDAP 2.4.45 and earlier creates a PID file after dropping privileges to a non-root account, which might allow local users to kill arbitrary processes by leveraging access to this non-root account for PID file modification before a root script executes a "kill cat /pathname" command, ...

DEBIAN-CVE-2017-14102

MIMEDefang 2.80 and earlier creates a PID file after dropping privileges to a non-root account, which might allow local users to kill arbitrary processes by leveraging access to this non-root account for PID file modification before a root script executes a "kill cat /pathname" command, as...

UBUNTU-CVE-2017-14102

MIMEDefang 2.80 and earlier creates a PID file after dropping privileges to a non-root account, which might allow local users to kill arbitrary processes by leveraging access to this non-root account for PID file modification before a root script executes a "kill cat /pathname" command, as...

CVE-2017-13649

UnrealIRCd 4.0.13 and earlier creates a PID file after dropping privileges to a non-root account, which might allow local users to kill arbitrary processes by leveraging access to this non-root account for PID file modification before a root script executes a "kill cat /pathname" command. NOTE: t...

UBUNTU-CVE-2017-11747

main.c in Tinyproxy 1.8.4 and earlier creates a /run/tinyproxy/tinyproxy.pid file after dropping privileges to a non-root account, which might allow local users to kill arbitrary processes by leveraging access to this non-root account for tinyproxy.pid modification before a root script executes a...

DEBIAN-CVE-2017-11747

main.c in Tinyproxy 1.8.4 and earlier creates a /run/tinyproxy/tinyproxy.pid file after dropping privileges to a non-root account, which might allow local users to kill arbitrary processes by leveraging access to this non-root account for tinyproxy.pid modification before a root script executes a...

DEBIAN-CVE-2017-11746

Tenshi 0.15 creates a tenshi.pid file after dropping privileges to a non-root account, which might allow local users to kill arbitrary processes by leveraging access to this non-root account for tenshi.pid modification before a root script executes a "kill cat /pathname/tenshi.pid" command...

DEBIAN-CVE-2014-8583

modwsgi before 4.2.4 for Apache, when creating a daemon process group, does not properly handle when group privileges cannot be dropped, which might allow attackers to gain privileges via unspecified vectors...

openSUSE Security Update : lightdm (openSUSE-SU-2012:0354-1)

update to version 1.0.9 - stop file descriptors leaking into the session processes bnc745339, lp927060, CVE-2012-1111 - fix compilation against gthread - change session directory once user permissions are set so it works on NFS filesystems that don't allow root to access files - fix object...