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[RHSA-2002:097-08] Updated xchat packages fix /dns vulnerability


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Date: Tue, 4 Jun 2002 15:24 -0400
From: [email protected]
To: [email protected]
Subject: [RHSA-2002:097-08] Updated xchat packages fix /dns vulnerability
Cc: [email protected], [email protected]

---------------------------------------------------------------------
                   Red Hat, Inc. Red Hat Security Advisory

Synopsis:          Updated xchat packages fix /dns vulnerability
Advisory ID:       RHSA-2002:097-08
Issue date:        2002-05-20
Updated on:        2002-06-04
Product:           Red Hat Linux
Ключевые слова: , , , , , , , , , xchat, dns, vulnerability,  (найти похожие документы)
Cross references:=20=20 Obsoletes: RHSA-2002:005 CVE Names: CAN-2002-0382 --------------------------------------------------------------------- 1. Topic: A security issue in XChat allows a malicious server to execute arbitrary commands. 2. Relevant releases/architectures: Red Hat Linux 6.2 - alpha, i386, sparc Red Hat Linux 7.0 - alpha, i386 Red Hat Linux 7.1 - alpha, i386, ia64 Red Hat Linux 7.2 - i386, ia64 Red Hat Linux 7.3 - i386 3. Problem description: XChat is a popular cross-platform IRC client.=20 Versions of XChat prior to 1.8.9 do not filter the response from an IRC server when a /dns query is executed. Because XChat resolves hostnames by passing the configured resolver and hostname to a shell, an IRC server may return a maliciously formatted response that executes arbitrary commands with the privileges of the user running XChat. All users of XChat are advised to update to these errata packages containing XChat version 1.8.9 which is not vulnerable to this issue. 4. Solution: Before applying this update, make sure all previously released errata relevant to your system have been applied. To update all RPMs for your particular architecture, run: rpm -Fvh [filenames] where [filenames] is a list of the RPMs you wish to upgrade. Only those RPMs which are currently installed will be updated. Those RPMs which are not installed but included in the list will not be updated. Note that you can also use wildcards (*.rpm) if your current directory *only* contains the desired RPMs. Please note that this update is also available via Red Hat Network. Many people find this an easier way to apply updates. To use Red Hat Network, launch the Red Hat Update Agent with the following command: up2date This will start an interactive process that will result in the appropriate RPMs being upgraded on your system. 5. Bug IDs fixed (http://bugzilla.redhat.com/bugzilla for more info): 6. RPMs required: Red Hat Linux 6.2: SRPMS: ftp://updates.redhat.com/6.2/en/os/SRPMS/xchat-1.8.9-1.62.0.src.rpm alpha: ftp://updates.redhat.com/6.2/en/os/alpha/xchat-1.8.9-1.62.0.alpha.rpm i386: ftp://updates.redhat.com/6.2/en/os/i386/xchat-1.8.9-1.62.0.i386.rpm sparc: ftp://updates.redhat.com/6.2/en/os/sparc/xchat-1.8.9-1.62.0.sparc.rpm Red Hat Linux 7.0: SRPMS: ftp://updates.redhat.com/7.0/en/os/SRPMS/xchat-1.8.9-1.70.0.src.rpm alpha: ftp://updates.redhat.com/7.0/en/os/alpha/xchat-1.8.9-1.70.0.alpha.rpm i386: ftp://updates.redhat.com/7.0/en/os/i386/xchat-1.8.9-1.70.0.i386.rpm Red Hat Linux 7.1: SRPMS: ftp://updates.redhat.com/7.1/en/os/SRPMS/xchat-1.8.9-1.71.0.src.rpm alpha: ftp://updates.redhat.com/7.1/en/os/alpha/xchat-1.8.9-1.71.0.alpha.rpm i386: ftp://updates.redhat.com/7.1/en/os/i386/xchat-1.8.9-1.71.0.i386.rpm ia64: ftp://updates.redhat.com/7.1/en/os/ia64/xchat-1.8.9-1.71.0.ia64.rpm Red Hat Linux 7.2: SRPMS: ftp://updates.redhat.com/7.2/en/os/SRPMS/xchat-1.8.9-1.72.0.src.rpm i386: ftp://updates.redhat.com/7.2/en/os/i386/xchat-1.8.9-1.72.0.i386.rpm ia64: ftp://updates.redhat.com/7.2/en/os/ia64/xchat-1.8.9-1.72.0.ia64.rpm Red Hat Linux 7.3: SRPMS: ftp://updates.redhat.com/7.3/en/os/SRPMS/xchat-1.8.9-1.73.0.src.rpm i386: ftp://updates.redhat.com/7.3/en/os/i386/xchat-1.8.9-1.73.0.i386.rpm 7. Verification: MD5 sum Package Name -------------------------------------------------------------------------- e9205c8b8d04eb867fb906fa3c4f3277 6.2/en/os/SRPMS/xchat-1.8.9-1.62.0.src.rpm ed3402d01df1aff10adc5b3e8970667a 6.2/en/os/alpha/xchat-1.8.9-1.62.0.alpha.r= pm 5b53b0f3a1bf0617df357e2512d5581d 6.2/en/os/i386/xchat-1.8.9-1.62.0.i386.rpm d23b18f8f4df101cd2a18ad90b6400e3 6.2/en/os/sparc/xchat-1.8.9-1.62.0.sparc.r= pm 4412093762c3c7bc83e0a76ac68aedff 7.0/en/os/SRPMS/xchat-1.8.9-1.70.0.src.rpm e075d164b1bf297ad39424fef5698e2c 7.0/en/os/alpha/xchat-1.8.9-1.70.0.alpha.r= pm f6fc19d3f5d43ce0742e66334c6c229b 7.0/en/os/i386/xchat-1.8.9-1.70.0.i386.rpm f461006a5e96a2cc606dc9d22844a194 7.1/en/os/SRPMS/xchat-1.8.9-1.71.0.src.rpm 535d9187ec52088cff5de38e3378cc5d 7.1/en/os/alpha/xchat-1.8.9-1.71.0.alpha.r= pm fa751c42b68ab8170684b479e249aced 7.1/en/os/i386/xchat-1.8.9-1.71.0.i386.rpm db5b74b28cdedab821f590efca118f2c 7.1/en/os/ia64/xchat-1.8.9-1.71.0.ia64.rpm 9b9ba555093def10cdcf055c899b03af 7.2/en/os/SRPMS/xchat-1.8.9-1.72.0.src.rpm 6fabcf32b982ffb978f91b21c0f52fb8 7.2/en/os/i386/xchat-1.8.9-1.72.0.i386.rpm eb3b95d31de4e478cd0525a2a8eeb1d6 7.2/en/os/ia64/xchat-1.8.9-1.72.0.ia64.rpm 2c166f6bd30336a83ad99041c9d3510c 7.3/en/os/SRPMS/xchat-1.8.9-1.73.0.src.rpm bc85e6662044a386ce35b472635444fa 7.3/en/os/i386/xchat-1.8.9-1.73.0.i386.rpm =20 These packages are GPG signed by Red Hat, Inc. for security. Our key is available at: http://www.redhat.com/about/contact/pgpkey.html You can verify each package with the following command: rpm --checksig <filename> If you only wish to verify that each package has not been corrupted or tampered with, examine only the md5sum with the following command: rpm --checksig --nogpg <filename> 8. References: http://online.securityfocus.com/bid/4376/info/ http://cve.mitre.org/cgi-bin/cvename.cgi?name=3DCAN-2002-0382 Copyright(c) 2000, 2001, 2002 Red Hat, Inc.

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