UBUNTU-CVE-2019-3844

It was discovered that a systemd service that uses DynamicUser property can get new privileges through the execution of SUID binaries, which would allow to create binaries owned by the service transient group with the setgid bit set. A local attacker may use this flaw to access resources that wil...

DEBIAN-CVE-2019-3844

It was discovered that a systemd service that uses DynamicUser property can get new privileges through the execution of SUID binaries, which would allow to create binaries owned by the service transient group with the setgid bit set. A local attacker may use this flaw to access resources that wil...

CVE-2019-3844

It was discovered that a systemd service that uses DynamicUser property can get new privileges through the execution of SUID binaries, which would allow to create binaries owned by the service transient group with the setgid bit set. A local attacker may use this flaw to access resources that wil...

CVE-2019-3844

It was discovered that a systemd service that uses DynamicUser property can get new privileges through the execution of SUID binaries, which would allow to create binaries owned by the service transient group with the setgid bit set. A local attacker may use this flaw to access resources that wil...

CVE-2019-3844

It was discovered that a systemd service that uses DynamicUser property can get new privileges through the execution of SUID binaries, which would allow a cooperating process to create binaries owned by the service transient group with the setgid bit set. A local attacker may use this flaw to...

ASLR Bypass

kernel-rt is vulnerable to ASLR bypass attacks. The vulnerability exists as the archpickmmaplayout function in arch/x86/mm/mmap.c in the Linux kernel through 4.5.2 does not properly randomize the legacy base address, which makes it easier for local users to defeat the intended restrictions on the...

systemd - chown_one() Dereference Symlinks

systemd - chownone Dereference Symlinks I am sending this bug report to Ubuntu, even though it's an upstream bug, as requested at https://github.com/systemd/systemd/blob/master/docs/CONTRIBUTING.mdsecurity-vulnerability-reports . When chownone in the recursive chown logic decides that it has to...

systemd - chown_one() can Dereference Symlinks Exploit

Exploit for linux platform in category dos / poc I am sending this bug report to Ubuntu, even though it's an upstream bug, as requested at https://github.com/systemd/systemd/blob/master/docs/CONTRIBUTING.mdsecurity-vulnerability-reports . When chownone in the recursive chown logic decides that it...

systemd - 'chown_one()' Dereference Symlinks

I am sending this bug report to Ubuntu, even though it's an upstream bug, as requested at https://github.com/systemd/systemd/blob/master/docs/CONTRIBUTING.mdsecurity-vulnerability-reports . When chownone in the recursive chown logic decides that it has to change ownership of a directory entry, it...

USN-3753-2: Linux kernel (Xenial HWE) vulnerabilities | Cloud Foundry

Severity Medium Vendor Canonical Ubuntu Versions Affected Canonical Ubuntu 14.04 Description USN-3753-1 fixed vulnerabilities in the Linux kernel for Ubuntu 16.04 LTS. This update provides the corresponding updates for the Linux Hardware Enablement HWE kernel from Ubuntu 16.04 LTS for Ubuntu 14.0...

USN-3753-1: Linux kernel vulnerabilities

It was discovered that the generic SCSI driver in the Linux kernel did not properly enforce permissions on kernel memory access. A local attacker could use this to expose sensitive information or possibly elevate privileges. CVE-2017-13168 Wen Xu discovered that a use-after-free vulnerability...

Ubuntu 14.04 LTS : Linux kernel (Xenial HWE) vulnerabilities (USN-3753-2)

The remote Ubuntu 14.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-3753-2 advisory. USN-3753-1 fixed vulnerabilities in the Linux kernel for Ubuntu 16.04 LTS. This update provides the corresponding updates for the Linux Hardware Enableme...

Ubuntu 16.04 LTS : Linux kernel vulnerabilities (USN-3753-1)

The remote Ubuntu 16.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-3753-1 advisory. It was discovered that the generic SCSI driver in the Linux kernel did not properly enforce permissions on kernel memory access. A local attacker could u...

Linux Ubuntu - Other Users coredumps can be read via setgid Directory and killpriv Bypass Exploit

Exploit for linux platform in category dos / poc / Note: I am both sending this bug report to email protected and filing it in the Ubuntu bugtracker because I can't tell whether this counts as a kernel bug or as a Ubuntu bug. You may wish to talk to each other to determine the best place to fix...

Linux (Ubuntu) - Other Users coredumps Can Be Read via setgid Directory and killpriv Bypass

/ Note: I am both sending this bug report to [email protected] and filing it in the Ubuntu bugtracker because I can't tell whether this counts as a kernel bug or as a Ubuntu bug. You may wish to talk to each other to determine the best place to fix this. I noticed halfdog's old writeup at...

Linux #Ubuntu Coredump Reading Access Bypass Vulnerability

Linux/Ubuntu suffers from a vulnerability where other users' coredumps can be read via a setgid directory and killpriv bypass. Linux/Ubuntu: other users' coredumps can be read via setgid directory and killpriv bypass Note: I am both sending this bug report to email protected and filing it in the...

Linux/Ubuntu Coredump Reading Access Bypass

Linux/Ubuntu: other users' coredumps can be read via setgid directory and killpriv bypass Note: I am both sending this bug report to [email protected] and filing it in the Ubuntu bugtracker because I can't tell whether this counts as a kernel bug or as a Ubuntu bug. You may wish to talk to each...

DEBIAN-CVE-2018-13405

The inodeinitowner function in fs/inode.c in the Linux kernel through 3.16 allows local users to create files with an unintended group ownership, in a scenario where a directory is SGID to a certain group and is writable by a user who is not a member of that group. Here, the non-member can trigge...

Security Bulletin: SetGID and SetUID programs in IBM Workload Scheduler can be exploited to obtain privilege escalation (CVE-2018-1386)

Summary SetGID and SetUID programs in IBM Workload Scheduler can be exploited to obtain root privileges Vulnerability Details Some programs in IBM Workload Scheduler are executed with elevated privileges SetGID and SetUID programs and have been compiled to search for libraries in an insecure...

openSUSE Security Update : libdb-4_8 (openSUSE-2018-199)

This update for libdb-48 fixes the following issues : - A DBCONFIG file in the current working directory allowed local users to obtain sensitive information via a symlink attack involving a setgid or setuid application using libdb-48. bsc1043886 This update was imported from the SUSE:SLE-12:Updat...