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Vulnerability Summary for CVE-2008-4192

Original release date:09/29/2008
Last revised:03/01/2011
Source: US-CERT/NIST

Overview

The pserver_shutdown function in fence_egenera in cman 2.20080629 and 2.20080801 allows local users to overwrite arbitrary files via a symlink attack on the /tmp/eglog temporary file.

Impact

CVSS Severity (version 2.0):
CVSS v2 Base Score:6.9 (MEDIUM) (AV:L/AC:M/Au:N/C:C/I:C/A:C) (legend)
Impact Subscore: 10.0
Exploitability Subscore: 3.4
CVSS Version 2 Metrics:
Access Vector: Locally exploitable
Access Complexity: Medium
Authentication: Not required to exploit
Impact Type:Provides administrator access, Allows complete confidentiality, integrity, and availability violation; Allows unauthorized disclosure of information; Allows disruption of service

Vendor Statements (disclaimer)

Official Statement from Red Hat (10/17/2008)
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-2008-4192 The Red Hat Security Response Team has rated this issue as having low security impact, a future update may address this flaw. More information regarding issue severity can be found here: http://www.redhat.com/security/updates/classification/

References to Advisories, Solutions, and Tools

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External Source: FEDORA
Name: FEDORA-2008-9042
Hyperlink:https://www.redhat.com/archives/fedora-package-announce/2008-October/msg00666.html
External Source: CONFIRM
Name: https://bugzilla.redhat.com/show_bug.cgi?id=460476
Hyperlink:https://bugzilla.redhat.com/show_bug.cgi?id=460476
External Source: CONFIRM
Name: https://bugs.gentoo.org/show_bug.cgi?id=235770
Hyperlink:https://bugs.gentoo.org/show_bug.cgi?id=235770
External Source: XF
Name: cman-fenceegenera-symlink(44845)
Hyperlink:http://xforce.iss.net/xforce/xfdb/44845
External Source: VUPEN
Name: ADV-2011-0419
Type: Advisory
Hyperlink:http://www.vupen.com/english/advisories/2011/0419
External Source: UBUNTU
Name: USN-875-1
Hyperlink:http://www.ubuntu.com/usn/USN-875-1
External Source: BID
Name: 30898
Hyperlink:http://www.securityfocus.com/bid/30898
External Source: REDHAT
Name: RHSA-2011:0266
Hyperlink:http://www.redhat.com/support/errata/RHSA-2011-0266.html
External Source: MLIST
Name: [oss-security] 20081030 CVE requests: tempfile issues for aview, mgetty, openoffice, crossfire
Hyperlink:http://www.openwall.com/lists/oss-security/2008/10/30/2
External Source: MLIST
Name: [oss-security] 20080923 Re: CVE Request (openswan, emacspeak, cman)
Hyperlink:http://www.openwall.com/lists/oss-security/2008/09/24/2
External Source: MLIST
Name: [oss-security] 20080918 CVE Request (openswan, emacspeak, cman)
Hyperlink:http://www.openwall.com/lists/oss-security/2008/09/18/3
External Source: MISC
Name: http://uvw.ru/report.lenny.txt
Hyperlink:http://uvw.ru/report.lenny.txt
External Source: SECUNIA
Name: 43362
Type: Advisory
Hyperlink:http://secunia.com/advisories/43362
External Source: SECUNIA
Name: 32390
Type: Advisory
Hyperlink:http://secunia.com/advisories/32390
External Source: SECUNIA
Name: 32387
Type: Advisory
Hyperlink:http://secunia.com/advisories/32387
External Source: SECUNIA
Name: 31887
Type: Advisory
Hyperlink:http://secunia.com/advisories/31887
External Source: CONFIRM
Name: http://dev.gentoo.org/~rbu/security/debiantemp/cman
Hyperlink:http://dev.gentoo.org/~rbu/security/debiantemp/cman
External Source: CONFIRM
Name: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=496410
Hyperlink:http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=496410

Vulnerable software and versions

Nav control imageConfiguration 1
spacerNav control imageOR
spacerspacerNav control image* cpe:/a:redhat:cman:2.20080629
spacerspacerNav control image* cpe:/a:redhat:cman:2.20080801
* Denotes Vulnerable Software
* Changes related to vulnerability configurations

Technical Details

Vulnerability Type (View All)
CVE Standard Vulnerability Entry:http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-4192