Vulnerability CVE-2014-5263
Published: 2014-08-26

Description:
vmstate_xhci_event in hw/usb/hcd-xhci.c in QEMU 1.6.0 does not terminate the list with the VMSTATE_END_OF_LIST macro, which allows attackers to cause a denial of service (out-of-bounds access, infinite loop, and memory corruption) and possibly gain privileges via unspecified vectors.

Type:

CWE-119

 (Improper Restriction of Operations within the Bounds of a Memory Buffer)

CVSS2 => (AV:N/AC:M/Au:N/C:P/I:P/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
6.8/10
6.4/10
8.6/10
Exploit range
Attack complexity
Authentication
Remote
Medium
No required
Confidentiality impact
Integrity impact
Availability impact
Partial
Partial
Partial
Affected software
QEMU -> QEMU 

 References:
http://www.openwall.com/lists/oss-security/2014/08/04/1
http://git.qemu.org/?p=qemu.git;a=commitdiff;h=3afca1d6d413592c2b78cf28f52fa24a586d8f56
https://bugzilla.redhat.com/show_bug.cgi?id=1126543
http://www.openwall.com/lists/oss-security/2014/08/16/1
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