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Last updated: 7/29/2014 8:55:33 PM

CVE Publication rate: 21.3

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National Cyber Awareness System

Vulnerability Summary for CVE-2012-2625

Original release date: 10/31/2012
Last revised: 05/05/2014
Source: US-CERT/NIST

Overview

The PyGrub boot loader in Xen unstable before changeset 25589:60f09d1ab1fe, 4.2.x, and 4.1.x allows local para-virtualized guest users to cause a denial of service (memory consumption) via a large (1) bzip2 or (2) lzma compressed kernel image.

Impact

CVSS Severity (version 2.0):
CVSS v2 Base Score: 2.7 (LOW) (AV:A/AC:L/Au:S/C:N/I:N/A:P) (legend)
Impact Subscore: 2.9
Exploitability Subscore: 5.1
CVSS Version 2 Metrics:
Access Vector: Local network exploitable
Access Complexity: Low
Authentication: Required to exploit
Impact Type: Allows disruption of service

References to Advisories, Solutions, and Tools

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External Source: SECTRACK
Name: 1027090
External Source: SUSE
Name: openSUSE-SU-2012:1172
External Source: CONFIRM
Name: http://xenbits.xensource.com/hg/xen-unstable.hg/rev/60f09d1ab1fe
External Source: SUSE
Name: SUSE-SU-2012:1135
External Source: SUSE
Name: openSUSE-SU-2012:1573
External Source: SUSE
Name: openSUSE-SU-2012:1174
External Source: SUSE
Name: SUSE-SU-2012:1043
External Source: SECUNIA
Name: 51413
External Source: MLIST
Name: [oss-security] 20121026 Xen Security Advisory 25 (CVE-2012-4544) - Xen domain builder Out-of-memory due to malicious kernel/ramdisk
External Source: MISC
Name: http://bugzilla.xensource.com/bugzilla/show_bug.cgi?id=1817
External Source: SECUNIA
Name: 49184
Type: Advisory
External Source: REDHAT
Name: RHSA-2012:1130
External Source: SUSE
Name: openSUSE-SU-2012:1572
External Source: SUSE
Name: SUSE-SU-2012:1044
External Source: BID
Name: 53650

Technical Details

Vulnerability Type (View All)