National Vulnerability Database

National Vulnerability Database

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    Vulnerabilities Detail

CVE-2012-2652 Detail

Description

The bdrv_open function in Qemu 1.0 does not properly handle the failure of the mkstemp function, when in snapshot node, which allows local users to overwrite or read arbitrary files via a symlink attack on an unspecified temporary file.

Source:  MITRE
Description Last Modified:  08/07/2012

Impact

CVSS v2.0 Severity and Metrics:

Base Score: 4.4 MEDIUM
Vector: (AV:L/AC:M/Au:N/C:P/I:P/A:P) (V2 legend)
Impact Subscore: 6.4
Exploitability Subscore: 3.4

Access Vector (AV): Local
Access Complexity (AC): Medium
Authentication (AU): None
Confidentiality (C): Partial
Integrity (I): Partial
Availability (A): Partial
Additional Information:
Allows unauthorized disclosure of information
Allows unauthorized modification
Allows disruption of service

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://git.kernel.org/?p=virt/kvm/qemu-kvm.git;a=commit;h=eba25057b9a5e19d10ace2bc7716667a31297169
http://git.qemu.org/?p=qemu-stable-0.15.git;a=log
http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00024.html
http://www.debian.org/security/2012/dsa-2545
http://www.securityfocus.com/bid/53725
http://www.ubuntu.com/usn/USN-1522-1

Technical Details

Vulnerability Type (View All)

Known Affected Software Configurations Switch to CPE 2.2

Configuration 1 ( hide )
 cpe:2.3:a:qemu:qemu:1.0:*:*:*:*:*:*:*
     Show Matching CPE(s)


Change History

1 change record found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2012-2652
NVD Published Date:
08/07/2012
NVD Last Modified:
03/05/2014