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Last updated: 10/1/2014 12:35:56 PM

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National Cyber Awareness System

Vulnerability Summary for CVE-2011-3346

Original release date: 04/01/2014
Last revised: 04/01/2014
Source: US-CERT/NIST

Overview

Buffer overflow in hw/scsi-disk.c in the SCSI subsystem in QEMU before 0.15.2, as used by Xen, might allow local guest users with permission to access the CD-ROM to cause a denial of service (guest crash) via a crafted SAI READ CAPACITY SCSI command. NOTE: this is only a vulnerability when root has manually modified certain permissions or ACLs.

Impact

CVSS Severity (version 2.0):
CVSS v2 Base Score: 4.0 (MEDIUM) (AV:L/AC:H/Au:N/C:N/I:N/A:C) (legend)
Impact Subscore: 6.9
Exploitability Subscore: 1.9
CVSS Version 2 Metrics:
Access Vector: Locally exploitable
Access Complexity: High
Authentication: Not required to exploit
Impact Type: Allows disruption of service

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External Source: CONFIRM
Name: https://bugzilla.redhat.com/show_bug.cgi?id=736038
External Source: CONFIRM
Name: https://github.com/bonzini/qemu/commit/103b40f51e4012b3b0ad20f615562a1806d7f49a
Type: Patch Information; Exploit
External Source: CONFIRM
Name: http://git.qemu.org/?p=qemu-stable-0.15.git;a=log
External Source: REDHAT
Name: RHSA-2011:1401
External Source: MLIST
Name: [oss-security] 20111020 qemu: CVE-2011-3346
External Source: CONFIRM
Name: https://github.com/bonzini/qemu/commit/7285477ab11831b1cf56e45878a89170dd06d9b9
Type: Patch Information; Exploit

Technical Details

Vulnerability Type (View All)