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National Cyber-Alert System

Vulnerability Summary for CVE-2006-4338

Original release date:09/19/2006
Last revised:09/05/2008
Source: US-CERT/NIST

Overview

unlzh.c in the LHZ component in gzip 1.3.5 allows context-dependent attackers to cause a denial of service (infinite loop) via a crafted GZIP archive.

Impact

CVSS Severity (version 2.0):
CVSS v2 Base Score:5.0 (MEDIUM) (AV:N/AC:L/Au:N/C:N/I:N/A:P) (legend)
Impact Subscore: 2.9
Exploitability Subscore: 10.0
CVSS Version 2 Metrics:
Access Vector: Network exploitable
Access Complexity: Low
Authentication: Not required to exploit
Impact Type:Allows disruption of serviceUnknown

Vendor Statments (disclaimer)

Official Statement from Red Hat (03/14/2007)
Red Hat is aware of this issue and is tracking it via the following bug: https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=220595 The Red Hat Security Response Team has rated this issue as having low security impact, a future update may address this flaw. Red Hat Enterprise Linux 5 is not vulnerable to this issue as it contains a backported patch.

References to Advisories, Solutions, and Tools

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US-CERT Technical Alert: TA06-333A
Name: TA06-333A
Hyperlink:http://www.us-cert.gov/cas/techalerts/TA06-333A.html
External Source: SLACKWARE
Name: SSA:2006-262
Type: Patch Information
Hyperlink:http://slackware.com/security/viewer.php?l=slackware-security&y=2006&m=slackware-security.555852
External Source: SECUNIA
Name: 22043
Type: Advisory; Patch Information
Hyperlink:http://secunia.com/advisories/22043
External Source: SECUNIA
Name: 22034
Type: Advisory; Patch Information
Hyperlink:http://secunia.com/advisories/22034
External Source: SECUNIA
Name: 22033
Type: Advisory; Patch Information
Hyperlink:http://secunia.com/advisories/22033
External Source: SECUNIA
Name: 22017
Type: Advisory; Patch Information
Hyperlink:http://secunia.com/advisories/22017
External Source: SECUNIA
Name: 22012
Type: Advisory; Patch Information
Hyperlink:http://secunia.com/advisories/22012
External Source: SECUNIA
Name: 22009
Type: Advisory; Patch Information
Hyperlink:http://secunia.com/advisories/22009
External Source: SECUNIA
Name: 22002
Type: Advisory; Patch Information
Hyperlink:http://secunia.com/advisories/22002
External Source: MANDRIVA
Name: MDKSA-2006:167
Type: Advisory; Patch Information
Hyperlink:http://frontal2.mandriva.com/security/advisories?name=MDKSA-2006:167
External Source: DEBIAN
Name: DSA-1181
Hyperlink:http://www.us.debian.org/security/2006/dsa-1181
External Source: UBUNTU
Name: USN-349-1
Hyperlink:http://www.ubuntu.com/usn/usn-349-1
External Source: REDHAT
Name: RHSA-2006:0667
Hyperlink:http://www.redhat.com/support/errata/RHSA-2006-0667.html
External Source: OSVDB
Name: 29008
Hyperlink:http://www.osvdb.org/29008
External Source: VUPEN
Name: ADV-2006-3695
Type: Advisory
Hyperlink:http://www.frsirt.com/english/advisories/2006/3695
External Source: FREEBSD
Name: FreeBSD-SA-06:21
Hyperlink:http://security.freebsd.org/advisories/FreeBSD-SA-06:21.gzip.asc
External Source: MISC
Name: http://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=204676
Hyperlink:http://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=204676
External Source: CONFIRM
Name: https://issues.rpath.com/browse/RPL-615
Hyperlink:https://issues.rpath.com/browse/RPL-615
External Source: XF
Name: gzip-lhz-dos(29046)
Hyperlink:http://xforce.iss.net/xforce/xfdb/29046
External Source: CONFIRM
Name: http://www.vmware.com/support/esx25/doc/esx-254-200702-patch.html
Hyperlink:http://www.vmware.com/support/esx25/doc/esx-254-200702-patch.html
External Source: TRUSTIX
Name: 2006-0052
Hyperlink:http://www.trustix.org/errata/2006/0052/
External Source: BID
Name: 20101
Hyperlink:http://www.securityfocus.com/bid/20101
External Source: BUGTRAQ
Name: 20070330 VMSA-2007-0002 VMware ESX security updates
Hyperlink:http://www.securityfocus.com/archive/1/archive/1/464268/100/0/threaded
External Source: HP
Name: HPSBUX02195
Hyperlink:http://www.securityfocus.com/archive/1/archive/1/462007/100/0/threaded
External Source: FEDORA
Name: FLSA:211760
Hyperlink:http://www.securityfocus.com/archive/1/archive/1/451324/100/0/threaded
External Source: HP
Name: SSRT061237
Hyperlink:http://www.securityfocus.com/archive/1/archive/1/450078/100/0/threaded
External Source: BUGTRAQ
Name: 20060919 rPSA-2006-0170-1 gzip
Hyperlink:http://www.securityfocus.com/archive/1/archive/1/446426/100/0/threaded
External Source: OPENPKG
Name: OpenPKG-SA-2006.020
Hyperlink:http://www.openpkg.org/security/advisories/OpenPKG-SA-2006.020-gzip.html
External Source: SUSE
Name: SUSE-SA:2006:056
Hyperlink:http://www.novell.com/linux/security/advisories/2006_56_gzip.html
External Source: MANDRIVA
Name: MDKSA-2006:167
Hyperlink:http://www.mandriva.com/security/advisories?name=MDKSA-2006:167
External Source: GENTOO
Name: GLSA-200611-24
Hyperlink:http://www.gentoo.org/security/en/glsa/glsa-200611-24.xml
External Source: VUPEN
Name: ADV-2007-1171
Hyperlink:http://www.frsirt.com/english/advisories/2007/1171
External Source: VUPEN
Name: ADV-2007-0832
Hyperlink:http://www.frsirt.com/english/advisories/2007/0832
External Source: VUPEN
Name: ADV-2007-0092
Hyperlink:http://www.frsirt.com/english/advisories/2007/0092
External Source: VUPEN
Name: ADV-2006-4760
Hyperlink:http://www.frsirt.com/english/advisories/2006/4760
External Source: VUPEN
Name: ADV-2006-4750
Hyperlink:http://www.frsirt.com/english/advisories/2006/4750
External Source: VUPEN
Name: ADV-2006-4275
Hyperlink:http://www.frsirt.com/english/advisories/2006/4275
External Source: CONFIRM
Name: http://support.avaya.com/elmodocs2/security/ASA-2006-218.htm
Hyperlink:http://support.avaya.com/elmodocs2/security/ASA-2006-218.htm
External Source: SUNALERT
Name: 102766
Hyperlink:http://sunsolve.sun.com/search/document.do?assetkey=1-26-102766-1
External Source: SECTRACK
Name: 1016883
Hyperlink:http://securitytracker.com/id?1016883
External Source: GENTOO
Name: GLSA-200609-13
Hyperlink:http://security.gentoo.org/glsa/glsa-200609-13.xml
External Source: SECUNIA
Name: 24636
Hyperlink:http://secunia.com/advisories/24636
External Source: SECUNIA
Name: 24435
Hyperlink:http://secunia.com/advisories/24435
External Source: SECUNIA
Name: 23679
Hyperlink:http://secunia.com/advisories/23679
External Source: SECUNIA
Name: 23156
Hyperlink:http://secunia.com/advisories/23156
External Source: SECUNIA
Name: 23155
Hyperlink:http://secunia.com/advisories/23155
External Source: SECUNIA
Name: 23153
Hyperlink:http://secunia.com/advisories/23153
External Source: SECUNIA
Name: 22661
Hyperlink:http://secunia.com/advisories/22661
External Source: SECUNIA
Name: 22487
Hyperlink:http://secunia.com/advisories/22487
External Source: SECUNIA
Name: 22435
Hyperlink:http://secunia.com/advisories/22435
External Source: SECUNIA
Name: 22101
Hyperlink:http://secunia.com/advisories/22101
External Source: SECUNIA
Name: 22085
Hyperlink:http://secunia.com/advisories/22085
External Source: SECUNIA
Name: 22027
Hyperlink:http://secunia.com/advisories/22027
External Source: SECUNIA
Name: 21996
Hyperlink:http://secunia.com/advisories/21996
External Source: APPLE
Name: APPLE-SA-2006-11-28
Hyperlink:http://lists.apple.com/archives/security-announce/2006/Nov/msg00001.html
External Source: CONFIRM
Name: http://docs.info.apple.com/article.html?artnum=304829
Hyperlink:http://docs.info.apple.com/article.html?artnum=304829
External Source: SGI
Name: 20061001-01-P
Hyperlink:ftp://patches.sgi.com/support/free/security/advisories/20061001-01-P.asc

Vulnerable software and versions

Nav control imageConfiguration 1
spacerNav control imageOR
spacerspacerNav control image* cpe:/a:gzip:gzip:1.3.5
* 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-2006-4338