FreeBSD : FreeBSD -- Uninitialized kernel stack leaks in several file systems (a9c6e9be-61fb-11eb-b87a-901b0ef719ab)

Several file systems were not properly initializing the doff field of the dirent structures returned by VOPREADDIR. In particular, tmpfs5, smbfs5, autofs5 and mqueuefs5 were failing to do so. As a result, eight uninitialized kernel stack bytes may be leaked to userspace by these file systems. Thi...

FreeBSD-SA-21:01.fsdisclosure

-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA512 ============================================================================= FreeBSD-SA-21:01.fsdisclosure Security Advisory The FreeBSD Project Topic: Uninitialized kernel stack leaks in several file systems Category: core Module: fs Announced:...

Microsoft Windows win32kfull!GreUpdateSpriteInternal Kernel Stack Memory Disclosure Exploit

On Windows 10 32-bit version 1709, a kernel stack memory disclosure was discovered in win32kfull!GreUpdateSpriteInternal. Windows Kernel stack memory disclosure in win32kfull!GreUpdateSpriteInternal On Windows 10 32-bit version 1709, we have discovered a disclosure of 4 uninitialized bytes from t...

Windows Kernel stack memory disclosure in nt!NtQueryInformationJobObject(CVE-2017-8479)

We have discovered that the nt!NtQueryInformationJobObject system call corresponding to the documented QueryInformationJobObject API function called with the 28 information class discloses portions of uninitialized kernel stack memory to user-mode clients. The specific name of the 28 information...

Microsoft Windows - 'win32k!NtGdiGetTextMetricsW' Kernel Stack Memory Disclosure

/ Source: https://bugs.chromium.org/p/project-zero/issues/detail?id=1180 We have discovered that it is possible to disclose portions of uninitialized kernel stack memory to user-mode applications in Windows 7 other systems untested through the win32k!NtGdiGetTextMetricsW system call. The output...

Microsoft Windows - 'nt!NtQueryInformationJobObject (BasicLimitInformation, ExtendedLimitInformation)' Kernel Stack Memory Disclosure

/ Source: https://bugs.chromium.org/p/project-zero/issues/detail?id=1189&desc=2 We have discovered that the nt!NtQueryInformationJobObject system call corresponding to the documented QueryInformationJobObject API function called with the JobObjectExtendedLimitInformation information class disclos...

Microsoft Windows - 'nt!NtQueryInformationJobObject (information class 28)' Kernel Stack Memory Disclosure

/ Source: https://bugs.chromium.org/p/project-zero/issues/detail?id=1194 We have discovered that the nt!NtQueryInformationJobObject system call corresponding to the documented QueryInformationJobObject API function called with the 28 information class discloses portions of uninitialized kernel...

openSUSE Security Update : the Linux Kernel (openSUSE-2016-753)

The openSUSE Leap 42.1 kernel was updated to 4.1.26 to receive various security and bugfixes. The following security bugs were fixed : - CVE-2016-1583: Prevent the usage of mmap when the lower file system does not allow it. This could have lead to local privilege escalation when ecryptfs-utils wa...

MIT krb5 kadmind libgssrpc service application information disclosure vulnerability

Kerberos is a network authentication protocol that provides user authentication using a ticket-based system for client-server systems.MIT Kerberos 5 is an open source Kerberos implementation. MIT krb5 kadmind contains a security vulnerability in the libgssrpc service application that can lead to...

Linux Kernel Stack Infoleaks Vulnerability

No description provided by source. //Enjoy... // //-Dan / You've done it. After hours of gdb and caffeine, you've finally got a shell on your target's server. Maybe next time they will think twice about running MyFirstCompSciProjectFTPD on a production machine. As you take another sip of Mountain...

Linux Kernel 2.4.0 - Stack Infoleaks

Linux Kernel 2.4.0 - Stack Infoleaks //Enjoy... // //-Dan / You've done it. After hours of gdb and caffeine, you've finally got a shell on your target's server. Maybe next time they will think twice about running MyFirstCompSciProjectFTPD on a production machine. As you take another sip of Mounta...

Linux Kernel 2.4.0 - Stack Infoleaks

//Enjoy... // //-Dan / You've done it. After hours of gdb and caffeine, you've finally got a shell on your target's server. Maybe next time they will think twice about running MyFirstCompSciProjectFTPD on a production machine. As you take another sip of Mountain Dew and pick some of the cheetos o...

Linux Kernel 2.6.x - 'net/core/filter.c' Local Information Disclosure

/ source: https://www.securityfocus.com/bid/44758/info The Linux kernel is prone to a local information-disclosure vulnerability. Local attackers can exploit this issue to obtain sensitive information that may lead to further attacks. / / You've done it. After hours of gdb and caffeine, you've...