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CVE-2014-3633

Status Candidate

Overview

The qemuDomainGetBlockIoTune function in qemu/qemu_driver.c in libvirt before 1.2.9, when a disk has been hot-plugged or removed from the live image, allows remote attackers to cause a denial of service (crash) or read sensitive heap information via a crafted blkiotune query, which triggers an out-of-bounds read.

Related Files

Mandriva Linux Security Advisory 2015-115
Posted Mar 30, 2015
Authored by Mandriva | Site mandriva.com

Mandriva Linux Security Advisory 2015-115 - The LXC driver in libvirt 1.0.1 through 1.2.1 allows local users to delete arbitrary host devices via the virDomainDeviceDettach API and a symlink attack on /dev in the container; via the virDomainDeviceAttach API and a symlink attack on /dev in the container; and cause a denial of service (shutdown or reboot host OS) via the virDomainReboot API and a symlink attack on /dev/initctl in the container, related to paths under /proc//root and the virInitctlSetRunLevel function. Various other issues have also been addressed.

tags | advisory, denial of service, arbitrary, local, root
systems | linux, mandriva
advisories | CVE-2013-6456, CVE-2014-0179, CVE-2014-3633, CVE-2014-3657, CVE-2014-7823, CVE-2014-8136, CVE-2015-0236
MD5 | 623b7b14e4fcada256c8a41694b7d74c
Gentoo Linux Security Advisory 201412-04
Posted Dec 8, 2014
Authored by Gentoo | Site security.gentoo.org

Gentoo Linux Security Advisory 201412-4 - Multiple vulnerabilities have been found in libvirt, worst of which allows context-dependent attackers to escalate privileges. Versions less than 1.2.9-r2 are affected.

tags | advisory, vulnerability
systems | linux, gentoo
advisories | CVE-2013-4292, CVE-2013-4296, CVE-2013-4297, CVE-2013-4399, CVE-2013-4400, CVE-2013-4401, CVE-2013-5651, CVE-2013-6436, CVE-2013-6456, CVE-2013-6457, CVE-2013-6458, CVE-2013-7336, CVE-2014-0028, CVE-2014-0179, CVE-2014-1447, CVE-2014-3633, CVE-2014-5177, CVE-2014-7823
MD5 | c99fa8b395f074d6018541f67f12c73b
Red Hat Security Advisory 2014-1873-01
Posted Nov 18, 2014
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2014-1873-01 - The libvirt library is a C API for managing and interacting with the virtualization capabilities of Linux and other operating systems. In addition, libvirt provides tools for remote management of virtualized systems. An out-of-bounds read flaw was found in the way libvirt's qemuDomainGetBlockIoTune() function looked up the disk index in a non-persistent disk configuration while a persistent disk configuration was being indexed. A remote attacker able to establish a read-only connection to libvirtd could use this flaw to crash libvirtd or, potentially, leak memory from the libvirtd process.

tags | advisory, remote
systems | linux, redhat
advisories | CVE-2014-3633, CVE-2014-3657, CVE-2014-7823
MD5 | 1e840c5a417b85eebc708d019a0feec5
Mandriva Linux Security Advisory 2014-195
Posted Oct 3, 2014
Authored by Mandriva | Site mandriva.com

Mandriva Linux Security Advisory 2014-195 - An out-of-bounds read flaw was found in the way libvirt's qemuDomainGetBlockIoTune() function looked up the disk index in a non-persistent disk configuration while a persistent disk configuration was being indexed. A remote attacker able to establish a read-only connection to libvirtd could use this flaw to crash libvirtd or, potentially, leak memory from the libvirtd process. A denial of service flaw was found in the way libvirt's virConnectListAllDomains() function computed the number of used domains. A remote attacker able to establish a read-only connection to libvirtd could use this flaw to make any domain operations within libvirt unresponsive. The updated libvirt packages have been upgraded to the 1.1.3.6 version and patched to resolve these security flaws.

tags | advisory, remote, denial of service
systems | linux, mandriva
advisories | CVE-2014-3633, CVE-2014-3657
MD5 | b7ef4ec6dc97bf0be109ef7af7928651
Red Hat Security Advisory 2014-1352-01
Posted Oct 2, 2014
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2014-1352-01 - The libvirt library is a C API for managing and interacting with the virtualization capabilities of Linux and other operating systems. In addition, libvirt provides tools for remote management of virtualized systems. An out-of-bounds read flaw was found in the way libvirt's qemuDomainGetBlockIoTune() function looked up the disk index in a non-persistent disk configuration while a persistent disk configuration was being indexed. A remote attacker able to establish a read-only connection to libvirtd could use this flaw to crash libvirtd or, potentially, leak memory from the libvirtd process.

tags | advisory, remote
systems | linux, redhat
advisories | CVE-2014-3633, CVE-2014-3657
MD5 | fbadcb17ec4b3d567c5deb0d15b66357
Ubuntu Security Notice USN-2366-1
Posted Sep 30, 2014
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 2366-1 - Daniel P. Berrange and Richard Jones discovered that libvirt incorrectly handled XML documents containing XML external entity declarations. An attacker could use this issue to cause libvirtd to crash, resulting in a denial of service on all affected releases, or possibly read arbitrary files if fine grained access control was enabled on Ubuntu 14.04 LTS. Luyao Huang discovered that libvirt incorrectly handled certain blkiotune queries. An attacker could use this issue to cause libvirtd to crash, resulting in a denial of service. This issue only applied to Ubuntu 12.04 LTS and Ubuntu 14.04 LTS. Various other issues were also addressed.

tags | advisory, denial of service, arbitrary, xxe
systems | linux, ubuntu
advisories | CVE-2014-0179, CVE-2014-3633, CVE-2014-5177
MD5 | 0cc558f7ecedc597de3ec750db494f44
Debian Security Advisory 3038-1
Posted Sep 30, 2014
Authored by Debian | Site debian.org

Debian Linux Security Advisory 3038-1 - Several vulnerabilities were discovered in Libvirt, a virtualisation abstraction library.

tags | advisory, vulnerability
systems | linux, debian
advisories | CVE-2014-0179, CVE-2014-3633
MD5 | 699a2e248d4a2c9fc76b361171b1fe22
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