National Cyber-Alert System
Vulnerability Summary for CVE-2007-3919
Original release date:10/28/2007
Last revised:03/08/2011
Source:
US-CERT/NIST
Overview
(1) xenbaked and (2) xenmon.py in Xen 3.1 and earlier allow local users to truncate arbitrary files via a symlink attack on /tmp/xenq-shm.
Impact
CVSS Severity (version 2.0):
Impact Subscore:
9.2
Exploitability Subscore:
2.7
CVSS Version 2 Metrics:
Access Vector: Locally exploitable; Victim must voluntarily interact with attack mechanism
Access Complexity: Medium
Authentication: Required to exploit
Impact Type:Allows unauthorized modification; Allows disruption of service
Official Statement from Red Hat (11/01/2007)
Red Hat is aware of this issue and is tracking it via the following bug:
https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=CVE-2007-3919
The Red Hat Security Response Team has rated this issue as having low security impact, a future update may address this flaw.
References to Advisories, Solutions, and Tools
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External Source: FEDORA
Name: FEDORA-2007-737
External Source: FEDORA
Name: FEDORA-2007-2708
External Source: XF
Name: xen-xenqshm-symlink(37403)
External Source: VUPEN
Name: ADV-2007-3621
External Source: SECTRACK
Name: 1018859
External Source: BID
Name: 26190
External Source: MANDRIVA
Name: MDKSA-2007:203
External Source: DEBIAN
Name: DSA-1395
External Source: SECUNIA
Name: 27497
Type: Advisory
External Source: SECUNIA
Name: 27486
External Source: SECUNIA
Name: 27408
Type: Advisory
External Source: SECUNIA
Name: 27389
Type: Advisory
External Source: OVAL
Name: oval:org.mitre.oval:def:9913
External Source: OSVDB
Name: 41343
External Source: OSVDB
Name: 41342
External Source: MISC
Name: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=447795
External Source: REDHAT
Name: RHSA-2008:0194
External Source: SECUNIA
Name: 29963
References to Check Content
Identifier:oval:org.mitre.oval:def:9913
Check System:http://oval.mitre.org/XMLSchema/oval-definitions-5