91 matches found
kernel: TLB flush happens too late on mremap
Since Linux kernel version 3.2, the mremap syscall performs TLB flushes after dropping pagetable locks. If a syscall such as ftruncate removes entries from the pagetables of a task that is in the middle of mremap, a stale TLB entry can remain for a short time that permits access to a physical pag...
openSUSE Security Update : samba (openSUSE-2019-2458)
This update for samba fixes the following issues : Security issues fixed : - CVE-2019-14847: User with 'get changes' permission can crash AD DC LDAP server via dirsync bsc1154598. - CVE-2019-10218: Client code can return filenames containing path separators bsc1144902. - CVE-2019-14833: Fixed...
Security update for samba (important)
openSUSE Security Update: Security update for samba Announcement ID: openSUSE-SU-2019:2458-1 Rating: important References: 1125601 1127153 1130245 1134452 1144902 1154289 1154598 Cross-References: CVE-2019-10218 CVE-2019-14833 CVE-2019-14847 Affected Products: openSUSE Leap 15.0 An update that...
openSUSE Security Update : samba (openSUSE-2019-1292)
This update for samba fixes the following issues : Security issue fixed : - CVE-2019-3880: Fixed a path/symlink traversal vulnerability, which allowed an unprivileged user to save registry files outside a share bsc1131060. Non-security issues fixed : - Fix vfsceph ftruncate and fallocate handling...
EulerOS Virtualization 2.5.3 : kernel (EulerOS-SA-2019-1244)
According to the versions of the kernel packages installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerabilities : - A flaw was found In the Linux kernel, through version 4.19.6, where a local user could exploit a use-after-free in the ALSA drive...
macOS XNU - Copy-on-Write Behaviour Bypass via Partial-Page Truncation of File Exploit
/ XNU has various interfaces that permit creating copy-on-write copies of data between processes, including out-of-line message descriptors in mach messages. It is important that the copied memory is protected against later modifications by the source process; otherwise, the source process might ...
openSUSE: Security Advisory for kernel (openSUSE-SU-2018:4133-1)
The remote host is missing an update for the Copyright C 2018 Greenbone Networks GmbH Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-or-later This program is free software; you can...
Design/Logic Flaw
Since Linux kernel version 3.2, the mremap syscall performs TLB flushes after dropping pagetable locks. If a syscall such as ftruncate removes entries from the pagetables of a task that is in the middle of mremap, a stale TLB entry can remain for a short time that permits access to a physical pag...
CVE-2018-18281
Since Linux kernel version 3.2, the mremap syscall performs TLB flushes after dropping pagetable locks. If a syscall such as ftruncate removes entries from the pagetables of a task that is in the middle of mremap, a stale TLB entry can remain for a short time that permits access to a physical pag...
glibc, nscd security update
CentOS Errata and Security Advisory CESA-2015:0327 Updated glibc packages that fix two security issues and several bugs are now available for Red Hat Enterprise Linux 7. Red Hat Product Security has rated this update as having Moderate security impact. Common Vulnerability Scoring System CVSS bas...
RedHat Update for glibc RHSA-2015:0327-01
The remote host is missing an update for the SPDX-FileCopyrightText: 2015 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...
RHEL 7 : glibc (RHSA-2015:0327)
Updated glibc packages that fix two security issues and several bugs are now available for Red Hat Enterprise Linux 7. Red Hat Product Security has rated this update as having Moderate security impact. Common Vulnerability Scoring System CVSS base scores, which give detailed severity ratings, are...
FreeBSD 6.0/6.1 Ftrucante Local Denial of Service Vulnerability
No description provided by source. source: http://www.securityfocus.com/bid/20522/info FreeBSD is prone to a local denial-of-service vulnerability because it fails to handle exceptional conditions. An attacker may leverage this issue to crash the affected computer, denying service to legitimate...
Linux Kernel < 2.6.22 ftruncate()/open() Local Exploit
No description provided by source. / gw-ftrex.c: Linux kernel 2.6.22 open/ftruncate local exploit by gat3way at gat3way dot eu bug information: http://osvdb.org/49081 !!!This is for educational purposes only!!! To use it, you've got to find a sgid directory you've got permissions to write into...
FreeBSD <= 6.1-RELEASE-p10 (ftruncate) Local Denial of Service Exploit
No description provided by source. / FreeBSD cvs commit: src/sys/ufs/ufs/ufsvnops.c maxim 2006-05-31 13:15:29 UTC Log: According to POSIX, the result of ftruncate2 is unspecified for file types other than VREG, VDIR and shared memory objects. We already handle VREG, VLNK and VDIR cases. Silently...
kernel: open() call allows setgid bit when user is not in new file's group
fs/open.c in the Linux kernel before 2.6.22 does not properly strip setuid and setgid bits when there is a write to a file, which allows local users to gain the privileges of a different group, and obtain sensitive information or possibly have unspecified other impact, by creating an executable...
Linux Kernel < 2.6.22 ftruncate()/open() Local Exploit
No description provided by source. / gw-ftrex.c: Linux kernel 2.6.22 open/ftruncate local exploit by gat3way at gat3way dot eu bug information: http://osvdb.org/49081 !!!This is for educational purposes only!!! To use it, you've got to find a sgid directory you've got permissions to write into...
Linux Kernel 2.6.22 - ftruncate()open() Local Privilege Escalation
Linux Kernel 2.6.22 - ftruncateopen Local Privilege Escalation / gw-ftrex.c: Linux kernel bug information: http://osvdb.org/49081 !!!This is for educational purposes only!!! To use it, you've got to find a sgid directory you've got permissions to write into obviously world-writable, e.g: find /...
Linux Kernel < 2.6.22 - 'ftruncate()'/'open()' Local Privilege Escalation
/ gw-ftrex.c: Linux kernel bug information: http://osvdb.org/49081 !!!This is for educational purposes only!!! To use it, you've got to find a sgid directory you've got permissions to write into obviously world-writable, e.g: find / -perm -2000 -type d 2/dev/null|xargs ls -ld|grep "rwx" which...
Linux Kernel < 2.6.22 ftruncate()/open() Local Exploit
Exploit for linux platform in category local exploits ====================================================== Linux Kernel bug information: http://osvdb.org/49081 !!!This is for educational purposes only!!! To use it, you've got to find a sgid directory you've got permissions to write into obvious...