Buffer overflow in QEMU - CVE-2011-1750
Published: June 21, 2012 / Updated: August 11, 2020
Vulnerability identifier: #VU43972
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:A/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2011-1750
CWE-ID: CWE-119
Exploitation vector: Adjecent network
Exploit availability:
No public exploit available
Vendor: QEMU
Affected software:
QEMU
QEMU
Detailed vulnerability description
The vulnerability allows a remote #AU# to execute arbitrary code.
Multiple heap-based buffer overflows in the virtio-blk driver (hw/virtio-blk.c) in qemu-kvm 0.14.0 allow local guest users to cause a denial of service (guest crash) and possibly gain privileges via a (1) write request to the virtio_blk_handle_write function or (2) read request to the virtio_blk_handle_read function that is not properly aligned.
How to mitigate CVE-2011-1750
Install update from vendor's website.
Sources
- http://git.kernel.org/?p=virt/kvm/qemu-kvm.git;a=commitdiff;h=52c050236eaa4f0b5e1d160cd66dc18106445c4d
- http://lists.fedoraproject.org/pipermail/package-announce/2012-June/081972.html
- http://lists.gnu.org/archive/html/qemu-devel/2011-03/msg03015.html
- http://lists.gnu.org/archive/html/qemu-devel/2011-03/msg03019.html
- http://lists.opensuse.org/opensuse-updates/2011-05/msg00043.html
- http://rhn.redhat.com/errata/RHSA-2011-0534.html
- http://secunia.com/advisories/44132
- http://secunia.com/advisories/44393
- http://secunia.com/advisories/44658
- http://secunia.com/advisories/44660
- http://secunia.com/advisories/44900
- http://www.osvdb.org/73756
- https://exchange.xforce.ibmcloud.com/vulnerabilities/67062
- https://hermes.opensuse.org/messages/8572547
- https://www.debian.org/security/2011/dsa-2230
- https://www.ubuntu.com/usn/USN-1145-1/