CVE-2014-1896: Input Validation

Published Apr 1, 2014
·
Updated

The (1) dosend and (2) dorecv functions in io.c in libvchan in Xen 4.2.x, 4.3.x, and 4.4-RC series allows local guests to cause a denial of service or possibly gain privileges via crafted xenstore ring indexes, which triggers a "read or write past the end of the ring."

Affected Software

7 affected components
XEN Xen=4.2.0
XEN Xen=4.2.1
XEN Xen=4.2.2
XEN Xen=4.2.3
XEN Xen=4.3.0
XEN Xen=4.3.1
XEN Xen=4.4.0-rc1

Event History

Apr 1, 2014
CVE Published
via MITRE·01:00 AM
Data Sourced
via MITRE·01:00 AM
Description
Data Sourced
via NVD·06:35 AM
RemedyDescriptionSeverityWeaknessAffected Software

Frequently Asked Questions

1

What is the severity of CVE-2014-1896?

CVE-2014-1896 has a moderate severity level as it can lead to denial of service and potential privilege escalation.

2

How do I fix CVE-2014-1896?

To fix CVE-2014-1896, upgrade to a patched version of Xen beyond 4.4-RC.

3

What versions of Xen are affected by CVE-2014-1896?

Xen versions 4.2.x, 4.3.x, and 4.4-RC are affected by CVE-2014-1896.

4

Can CVE-2014-1896 lead to data compromise?

While CVE-2014-1896 primarily causes denial of service, it may also allow an attacker to gain unauthorized privileges.

5

Is CVE-2014-1896 a remote or local vulnerability?

CVE-2014-1896 is a local vulnerability that affects guests within the Xen environment.

Contact

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Fortitude Valley,
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info@secalerts.co
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