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CVE-2011-1833

Status Candidate

Overview

Race condition in the ecryptfs_mount function in fs/ecryptfs/main.c in the eCryptfs subsystem in the Linux kernel before 3.1 allows local users to bypass intended file permissions via a mount.ecryptfs_private mount with a mismatched uid.

Related Files

VMware Security Advisory 2012-0013
Posted Sep 1, 2012
Authored by VMware | Site vmware.com

VMware Security Advisory 2012-0013 - VMware has updated several third party libraries in vSphere and vcOps to address multiple security vulnerabilities.

tags | advisory, vulnerability
advisories | CVE-2009-5029, CVE-2009-5064, CVE-2010-0830, CVE-2010-2761, CVE-2010-4180, CVE-2010-4252, CVE-2010-4410, CVE-2011-0014, CVE-2011-1020, CVE-2011-1089, CVE-2011-1833, CVE-2011-2484, CVE-2011-2496, CVE-2011-2699, CVE-2011-3188, CVE-2011-3209, CVE-2011-3363, CVE-2011-3597, CVE-2011-4108, CVE-2011-4109, CVE-2011-4110, CVE-2011-4128, CVE-2011-4132, CVE-2011-4324, CVE-2011-4325, CVE-2011-4576, CVE-2011-4577, CVE-2011-4609
MD5 | ab37b6926b046653acdeeef66e7c85ba
Debian Security Advisory 2443-1
Posted Mar 28, 2012
Authored by Debian | Site debian.org

Debian Linux Security Advisory 2443-1 - Several vulnerabilities have been discovered in the Linux kernel that may lead to a denial of service or privilege escalation.

tags | advisory, denial of service, kernel, vulnerability
systems | linux, debian
advisories | CVE-2009-4307, CVE-2011-1833, CVE-2011-4347, CVE-2012-0045, CVE-2012-1090, CVE-2012-1097
MD5 | 46acd3222ddefe1b1d906398bff5fbb8
Ubuntu Security Notice USN-1256-1
Posted Nov 9, 2011
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 1256-1 - It was discovered that the /proc filesystem did not correctly handle permission changes when programs executed. A local attacker could hold open files to examine details about programs running with higher privileges, potentially increasing the chances of exploiting additional vulnerabilities. Vasiliy Kulikov discovered that the Bluetooth stack did not correctly clear memory. A local attacker could exploit this to read kernel stack memory, leading to a loss of privacy. Various other issues were also addressed.

tags | advisory, kernel, local, vulnerability
systems | linux, ubuntu
advisories | CVE-2011-1020, CVE-2011-1078, CVE-2011-1079, CVE-2011-1080, CVE-2011-1093, CVE-2011-1160, CVE-2011-1180, CVE-2011-1478, CVE-2011-1479, CVE-2011-1493, CVE-2011-1573, CVE-2011-1576, CVE-2011-1577, CVE-2011-1581, CVE-2011-1585, CVE-2011-1767, CVE-2011-1768, CVE-2011-1771, CVE-2011-1776, CVE-2011-1833, CVE-2011-2183, CVE-2011-2213, CVE-2011-2479, CVE-2011-2484, CVE-2011-2491, CVE-2011-2492, CVE-2011-2493, CVE-2011-2494
MD5 | ee2685f0b4d767be1169393f2ba5d7c7
Ubuntu Security Notice USN-1253-1
Posted Nov 9, 2011
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 1253-1 - Ryan Sweat discovered that the kernel incorrectly handled certain VLAN packets. On some systems, a remote attacker could send specially crafted traffic to crash the system, leading to a denial of service. Vasiliy Kulikov and Dan Rosenberg discovered that ecryptfs did not correctly check the origin of mount points. A local attacker could exploit this to trick the system into unmounting arbitrary mount points, leading to a denial of service. Various other issues were also addressed.

tags | advisory, remote, denial of service, arbitrary, kernel, local
systems | linux, ubuntu
advisories | CVE-2011-1576, CVE-2011-1833, CVE-2011-2494, CVE-2011-2495, CVE-2011-2497, CVE-2011-2695, CVE-2011-2699, CVE-2011-2905, CVE-2011-2928, CVE-2011-3188, CVE-2011-3191
MD5 | 7761ddb7b1ba2737c6628228e6c4243d
Ubuntu Security Notice USN-1245-1
Posted Oct 25, 2011
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 1245-1 - Ryan Sweat discovered that the kernel incorrectly handled certain VLAN packets. On some systems, a remote attacker could send specially crafted traffic to crash the system, leading to a denial of service. Vasiliy Kulikov and Dan Rosenberg discovered that ecryptfs did not correctly check the origin of mount points. A local attacker could exploit this to trick the system into unmounting arbitrary mount points, leading to a denial of service. Various other issues were also addressed.

tags | advisory, remote, denial of service, arbitrary, kernel, local
systems | linux, ubuntu
advisories | CVE-2011-1576, CVE-2011-1833, CVE-2011-2494, CVE-2011-2495, CVE-2011-2497, CVE-2011-2695, CVE-2011-2699, CVE-2011-2905, CVE-2011-2928, CVE-2011-3188, CVE-2011-3191
MD5 | a377b41087e2fdf775b805d448907abc
Ubuntu Security Notice USN-1240-1
Posted Oct 25, 2011
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 1240-1 - Ryan Sweat discovered that the kernel incorrectly handled certain VLAN packets. On some systems, a remote attacker could send specially crafted traffic to crash the system, leading to a denial of service. Vasiliy Kulikov and Dan Rosenberg discovered that ecryptfs did not correctly check the origin of mount points. A local attacker could exploit this to trick the system into unmounting arbitrary mount points, leading to a denial of service. Various other issues were also addressed.

tags | advisory, remote, denial of service, arbitrary, kernel, local
systems | linux, ubuntu
advisories | CVE-2011-1576, CVE-2011-1833, CVE-2011-2494, CVE-2011-2495, CVE-2011-2497, CVE-2011-2695, CVE-2011-2699, CVE-2011-2905, CVE-2011-2928, CVE-2011-3188, CVE-2011-3191
MD5 | 7f8b27a4895207903ddd22763f71b81a
Ubuntu Security Notice USN-1239-1
Posted Oct 25, 2011
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 1239-1 - Ryan Sweat discovered that the kernel incorrectly handled certain VLAN packets. On some systems, a remote attacker could send specially crafted traffic to crash the system, leading to a denial of service. Vasiliy Kulikov and Dan Rosenberg discovered that ecryptfs did not correctly check the origin of mount points. A local attacker could exploit this to trick the system into unmounting arbitrary mount points, leading to a denial of service. Various other issues were also addressed.

tags | advisory, remote, denial of service, arbitrary, kernel, local
systems | linux, ubuntu
advisories | CVE-2011-1576, CVE-2011-1833, CVE-2011-2494, CVE-2011-2495, CVE-2011-2497, CVE-2011-2695, CVE-2011-2699, CVE-2011-2905, CVE-2011-2928, CVE-2011-3188, CVE-2011-3191
MD5 | 0145fca527819eed3f01ab8622ae7882
Red Hat Security Advisory 2011-1386-01
Posted Oct 20, 2011
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2011-1386-01 - The kernel packages contain the Linux kernel, the core of any Linux operating system. The maximum file offset handling for ext4 file systems could allow a local, unprivileged user to cause a denial of service. IPv6 fragment identification value generation could allow a remote attacker to disrupt a target system's networking, preventing legitimate users from accessing its services. Various other issues in the kernel have also been addressed.

tags | advisory, remote, denial of service, kernel, local
systems | linux, redhat
advisories | CVE-2009-4067, CVE-2011-1160, CVE-2011-1585, CVE-2011-1833, CVE-2011-2484, CVE-2011-2496, CVE-2011-2695, CVE-2011-2699, CVE-2011-2723, CVE-2011-2942, CVE-2011-3131, CVE-2011-3188, CVE-2011-3191, CVE-2011-3209, CVE-2011-3347
MD5 | 501de34ecdb0786ceee3492c07b05128
Ubuntu Security Notice USN-1227-1
Posted Oct 12, 2011
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 1227-1 - Ryan Sweat discovered that the kernel incorrectly handled certain VLAN packets. On some systems, a remote attacker could send specially crafted traffic to crash the system, leading to a denial of service. Timo Warns discovered that the EFI GUID partition table was not correctly parsed. A physically local attacker that could insert mountable devices could exploit this to crash the system or possibly gain root privileges. Various other issues were also addressed.

tags | advisory, remote, denial of service, kernel, local, root
systems | linux, ubuntu
advisories | CVE-2011-1576, CVE-2011-1776, CVE-2011-1833, CVE-2011-2213, CVE-2011-2497, CVE-2011-2699, CVE-2011-2700, CVE-2011-2723, CVE-2011-2918, CVE-2011-2928, CVE-2011-3191
MD5 | 9a2337043e81a33d9037f7ecaaaa557b
Red Hat Security Advisory 2011-1350-01
Posted Oct 6, 2011
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2011-1350-01 - The kernel packages contain the Linux kernel, the core of any Linux operating system. Flaws in the AGPGART driver implementation when handling certain IOCTL commands could allow a local user to cause a denial of service or escalate their privileges. An integer overflow flaw in agp_allocate_memory() could allow a local user to cause a denial of service or escalate their privileges.

tags | advisory, denial of service, overflow, kernel, local
systems | linux, redhat
advisories | CVE-2011-1160, CVE-2011-1745, CVE-2011-1746, CVE-2011-1833, CVE-2011-2022, CVE-2011-2484, CVE-2011-2496, CVE-2011-2521, CVE-2011-2723, CVE-2011-2898, CVE-2011-2918
MD5 | 79a99725db7b874bbfbfc554b61f3e78
Ubuntu Security Notice USN-1219-1
Posted Sep 29, 2011
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 1219-1 - Ryan Sweat discovered that the kernel incorrectly handled certain VLAN packets. On some systems, a remote attacker could send specially crafted traffic to crash the system, leading to a denial of service. Timo Warns discovered that the EFI GUID partition table was not correctly parsed. A physically local attacker that could insert mountable devices could exploit this to crash the system or possibly gain root privileges. Various other issues were also addressed.

tags | advisory, remote, denial of service, kernel, local, root
systems | linux, ubuntu
advisories | CVE-2011-1576, CVE-2011-1776, CVE-2011-1833, CVE-2011-2213, CVE-2011-2497, CVE-2011-2699, CVE-2011-2700, CVE-2011-2723, CVE-2011-2918, CVE-2011-2928, CVE-2011-3191
MD5 | 678fa3f9121155e428082acdf2e3e5ee
Ubuntu Security Notice USN-1212-1
Posted Sep 21, 2011
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 1212-1 - Goldwyn Rodrigues discovered that the OCFS2 filesystem did not correctly clear memory when writing certain file holes. A local attacker could exploit this to read uninitialized data from the disk, leading to a loss of privacy. Timo Warns discovered that the LDM disk partition handling code did not correctly handle certain values. By inserting a specially crafted disk device, a local attacker could exploit this to gain root privileges. Various other issues were also addressed.

tags | advisory, local, root
systems | linux, ubuntu
advisories | CVE-2011-0463, CVE-2011-1017, CVE-2011-1020, CVE-2011-1078, CVE-2011-1079, CVE-2011-1080, CVE-2011-1160, CVE-2011-1170, CVE-2011-1171, CVE-2011-1172, CVE-2011-1173, CVE-2011-1180, CVE-2011-1182, CVE-2011-1493, CVE-2011-1494, CVE-2011-1495, CVE-2011-1577, CVE-2011-1581, CVE-2011-1593, CVE-2011-1598, CVE-2011-1745, CVE-2011-1746, CVE-2011-1748, CVE-2011-1770, CVE-2011-1771, CVE-2011-1833, CVE-2011-2022, CVE-2011-2484
MD5 | bb1d77163194f3843168c4d7dba75680
Ubuntu Security Notice USN-1211-1
Posted Sep 21, 2011
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 1211-1 - It was discovered that the /proc filesystem did not correctly handle permission changes when programs executed. A local attacker could hold open files to examine details about programs running with higher privileges, potentially increasing the chances of exploiting additional vulnerabilities. Dan Rosenberg discovered that the X.25 Rose network stack did not correctly handle certain fields. If a system was running with Rose enabled, a remote attacker could send specially crafted traffic to gain root privileges. Various other issues were also addressed.

tags | advisory, remote, local, root, vulnerability
systems | linux, ubuntu
advisories | CVE-2011-1020, CVE-2011-1493, CVE-2011-1833, CVE-2011-2492, CVE-2011-2689, CVE-2011-2699, CVE-2011-2918
MD5 | 1f78357cda554fe06c3cdf7c4670479a
Ubuntu Security Notice USN-1188-1
Posted Aug 10, 2011
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 1188-1 - Vasiliy Kulikov and Dan Rosenberg discovered that eCryptfs incorrectly validated permissions on the requested mountpoint. A local attacker could use this flaw to mount to arbitrary locations, leading to privilege escalation. Vasiliy Kulikov and Dan Rosenberg discovered that eCryptfs incorrectly validated permissions on the requested mountpoint. A local attacker could use this flaw to unmount to arbitrary locations, leading to a denial of service. Various other issues were also addressed.

tags | advisory, denial of service, arbitrary, local
systems | linux, ubuntu
advisories | CVE-2011-1831, CVE-2011-1832, CVE-2011-1833, CVE-2011-1834, CVE-2011-1835, CVE-2011-1836, CVE-2011-1837
MD5 | ff3dec07fd8cec62095ac2d89e7bb558
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