Libxml2 nanohttp.c file buffer overflow
| libxml2-nanohttp-file-bo (17876) |  High Risk |
Description:
Libxml2 is vulnerable to a buffer overflow in the xmlNanoHTTPConnectHost function of the nanohttp.c file. A remote attacker, in control of a DNS server, can supply a malicious DNS reply to overflow a buffer and possibly execute arbitrary code on the system.
Consequences:
Gain Access
Remedy:
For Red Hat Linux containing the libxml package:
Upgrade to the latest libxml package, as listed below. Refer to RHSA-2004:650-03 for more information. See References.
Red Hat Enterprise Linux AS (v. 2.1), ES (v. 2.1), WS (vs. 2.1), and Advanced Workstation 2.1 for the Itanium Processor: 1.8.14-3 or later
Red Hat Enterprise Linux Red Hat Desktop (v. 3), AS (v. 3), ES (v. 3), WS (v. 3): 1.8.17-9.2 or later
For Trustix Secure Linux:
Upgrade to the latest libxml2 package, as listed below. Refer to Trustix Secure Linux Security Advisory #2004-0055 for more information. See References.
Trustix Secure Linux 2.0: 2.6.15-0.1tr or later
Trustix Secure Linux 2.1 and Enterprise Linux 2: 2.6.15-1tr or later
Trustix Operating System - Enterprise Server 2: 2.6.15-1tr or later
For Debian GNU/Linux 3.0 (alias woody):
Upgrade to the latest libxml package (1.8.17-2woody2 or later), as listed in DSA-582-1. See References.
For Gentoo Linux:
Upgrade to the latest version of libxml2 (2.6.15 or later), as listed in GLSA 200411-05. See References.
For Ubuntu Linux:
Upgrade to the latest libxml2 package (2.6.11-3ubuntu1.1 or later), as listed in USN-10-1 October 28, 2004. See References.
For Turbolinux:
Upgrade to the latest libxml package, as listed below. Refer to Turbolinux Security Advisory TLSA-2005-11 for more information. See References.
Turbolinux Appliance Server 1.0 Hosting Edition: 1.8.17-3 or later
Turbolinux Appliance Server 1.0 Workgroup Edition: 1.8.17-3 or later
Turbolinux Home: 1.8.17-3 or later
Turbolinux 10 Desktop: 1.8.17-3 or later
Turbolinux 8 Server: 1.8.17-3 or later
Turbolinux 8 Workstation: 1.8.17-3 or later
Turbolinux 7 Server: 1.8.14-2 or later
Turbolinux 7 Workstation: 1.8.14-2 or later
For Turbolinux:
Upgrade to the latest libxml2 package, as listed below. Refer to Turbolinux Security Advisory TLSA-2005-12 for more information. See References.
Turbolinux Appliance Server 1.0 Hosting Edition: 2.4.22-3 or later
Turbolinux Appliance Server 1.0 Workgroup Edition: 2.4.22-3 or later
Turbolinux 10 Server: 2.6.11-3 or later
Turbolinux Home: 2.6.2-3 or later
Turbolinux 10 Desktop: 2.6.2-3 or later
Turbolinux 8 Server: 2.4.22-3 or later
Turbolinux 8 Workstation: 2.4.19-3 or later
Turbolinux 7 Server: 2.4.28-3 or later
Turbolinux 7 Workstation: 2.4.28-3 or later
For other distributions:
Contact your vendor for upgrade or patch information.
References:
- BugTraq Mailing List, Mon Oct 25 2004 - 19:51:32 CDT : libxml2 remote buffer overflows (not in xml parsing code though).
- CIAC Information Bulletin P-029: libxml and libxml2 Buffer Overflow.
- CIAC Information Bulletin P-073: Updated "libxml" Packages for Versions Prior to 2.6.14.
- CIAC Information Bulletin P-116: Apple Security Update 2005-001 for Mac OS X.
- Trustix Secure Linux Security Advisory #2004-0055: multiple security issues.
- Trustix Secure Linux Security Advisory #2004-0055: multiple security issues.
- XML C parser and toolkit of Gnome Web site: Libxml2.
- BID-11526: Libxml2 Multiple Remote Stack Buffer Overflow Vulnerabilities
- CVE-2004-0989: Multiple buffer overflows in libXML 2.6.12 and 2.6.13 (libxml2), and possibly other versions, may allow remote attackers to execute arbitrary code via (1) a long FTP URL that is not properly handled by the xmlNanoFTPScanURL function, (2) a long proxy URL containing FTP data that is not properly handled by the xmlNanoFTPScanProxy function, and other overflows related to manipulation of DNS length values, including (3) xmlNanoFTPConnect, (4) xmlNanoHTTPConnectHost, and (5) xmlNanoHTTPConnectHost.
- DSA-582: libxml -- buffer overflow
- GLSA-200411-05: libxml2: Remotely exploitable buffer overflow
- MDKSA-2004:127: Updated libxml and libxml2 packages fix multiple vulnerabilities
- OpenPKG-SA-2004.050: Libxml
- OSVDB ID: 11179: libxml2 FTP URL Processing Overflow
- OSVDB ID: 11180: libxml2 DNS Reply Overflows
- OSVDB ID: 11324: libxml2 Proxy FTP URL Processing Overflow
- RHSA-2004-615: libxml2 security update
- RHSA-2004-650: libxml security update
- SA13000: Libxml2 Multiple Buffer Overflows
- SECTRACK ID: 1011941: Libxml2 URL Parsing and DNS Resolution Buffer Overflows May Let Remote Users Execute Arbitrary Code
- SUSE-SA:2004:040: samba: remote denial of service
- SUSE-SR:2005:001: SUSE Security Summary Report
Platforms Affected:
- Canonical Ubuntu 4.10
- Debian Debian Linux 3.0
- Gentoo Linux
- MandrakeSoft Mandrake Linux 10.0
- MandrakeSoft Mandrake Linux 10.0 AMD64
- MandrakeSoft Mandrake Linux 10.1 X86_64
- MandrakeSoft Mandrake Linux 10.1
- MandrakeSoft Mandrake Linux 9.2
- MandrakeSoft Mandrake Linux 9.2 AMD64
- MandrakeSoft Mandrake Linux Corporate Server 2.1
- MandrakeSoft Mandrake Linux Corporate Server 2.1 X86_64
- Novell Linux Desktop 9
- OpenPKG OpenPKG 2.1
- OpenPKG OpenPKG 2.2
- OpenPKG OpenPKG CURRENT
- RedHat Enterprise Linux 2.1 ES
- RedHat Enterprise Linux 2.1 AS
- RedHat Enterprise Linux 2.1 WS
- RedHat Enterprise Linux 3 WS
- RedHat Enterprise Linux 3 ES
- RedHat Enterprise Linux 3 AS
- RedHat Enterprise Linux 3 Desktop
- RedHat Linux Advanced Workstation 2.1 Itanium
- SuSE Linux Enterprise Server 9
- SUSE SuSE Linux 9.1
- SUSE SuSE Linux 9.2
- Trustix Enterprise Server 2
- Trustix Secure Linux 2.0
- Trustix Secure Linux 2.1
- Turbolinux Turbolinux 10 Desktop
- Turbolinux Turbolinux 10 F...
- Turbolinux Turbolinux 10 Server
- Turbolinux Turbolinux 7 Server
- Turbolinux Turbolinux 7 Workstation
- Turbolinux Turbolinux 8 Server
- Turbolinux Turbolinux 8 Workstation
- Turbolinux Turbolinux Appliance Server 1.0
- Turbolinux Turbolinux Home
- Turbolinux Turbolinux Appliance Server 1.0 Hosting Ed
- Turbolinux Turbolinux Appliance Server 1.0 Workgroup Ed
- XMLsoft Libxml2 2.6.12
- XMLsoft Libxml2 2.6.13
Reported:
Oct 25, 2004
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