RHSA-2004:222

Vulnerability from csaf_redhat - Published: 2004-05-17 21:09 - Updated: 2025-11-21 17:27
Summary
Red Hat Security Advisory: kdelibs security update
Severity
Important
Notes
Topic: Updated kdelibs packages that fix telnet URI handler and mailto URI handler file vulnerabilities are now available.
Details: The kdelibs packages include libraries for the K Desktop Environment. KDE Libraries include: kdecore (KDE core library), kdeui (user interface), kfm (file manager), khtmlw (HTML widget), kio (Input/Output, networking), kspell (spelling checker), jscript (javascript), kab (addressbook), kimgio (image manipulation). Konqueror is a file manager and Web browser for the K Desktop Environment (KDE). iDEFENSE identified a vulnerability in the Opera web browser that could allow remote attackers to create or truncate arbitrary files. The KDE team has found two similar vulnerabilities that also exist in KDE. A flaw in the telnet URI handler may allow options to be passed to the telnet program, resulting in creation or replacement of files. An attacker could create a carefully crafted link such that when opened by a victim it creates or overwrites a file with the victim's permissions. A flaw in the mailto URI handler may allow options to be passed to the kmail program. These options could cause kmail to write to the file system or to run on a remote X display. An attacker could create a carefully crafted link in such a way that access may be obtained to run arbitrary code as the victim. The Common Vulnerabilities and Exposures project (cve.mitre.org) has assigned the name CAN-2004-0411 to these issues. Note: Red Hat Enterprise Linux 2.1 is only vulnerable to the mailto URI flaw as a previous update shipped without a telnet.protocol file. All users of KDE are advised to upgrade to these erratum packages, which contain a backported patch for these issues.
Terms of Use: This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.
CVE-2004-0411

The URI handlers in Konqueror for KDE 3.2.2 and earlier do not properly filter "-" characters that begin a hostname in a (1) telnet, (2) rlogin, (3) ssh, or (4) mailto URI, which allows remote attackers to manipulate the options that are passed to the associated programs, possibly to read arbitrary files or execute arbitrary code.

Affected products
Product Identifier Version Remediation
Red Hat Enterprise Linux AS (Advanced Server) version 2.1
Red Hat / Red Hat Enterprise Linux
 cpe:/o:redhat:enterprise_linux:2.1::as —
Vendor Fix fix
Red Hat Linux Advanced Workstation 2.1
Red Hat / Red Hat Enterprise Linux
 cpe:/o:redhat:enterprise_linux:2.1::aw —
Vendor Fix fix
Threats
Impact Important
References
To clipboard 

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        "text": "Updated kdelibs packages that fix telnet URI handler and mailto URI handler\nfile vulnerabilities are now available.",
        "title": "Topic"
      },
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        "category": "general",
        "text": "The kdelibs packages include libraries for the K Desktop Environment. \n\nKDE Libraries include: kdecore (KDE core library), kdeui (user interface),\nkfm (file manager), khtmlw (HTML widget), kio (Input/Output, networking),\nkspell (spelling checker), jscript (javascript), kab (addressbook), kimgio\n(image manipulation).  Konqueror is a file manager and Web browser for the\nK Desktop Environment (KDE).\n\niDEFENSE identified a vulnerability in the Opera web browser that could\nallow remote attackers to create or truncate arbitrary files. The KDE team\nhas found two similar vulnerabilities that also exist in KDE. \n\nA flaw in the telnet URI handler may allow options to be passed to the\ntelnet program, resulting in creation or replacement of files. An attacker\ncould create a carefully crafted link such that when opened by a victim it\ncreates or overwrites a file with the victim\u0027s permissions. \n\nA flaw in the mailto URI handler may allow options to be passed to the\nkmail program.  These options could cause kmail to write to the file system\nor to run on a remote X display.  An attacker could create a carefully\ncrafted link in such a way that access may be obtained to run arbitrary\ncode as the victim.\n\nThe Common Vulnerabilities and Exposures project (cve.mitre.org) has\nassigned the name CAN-2004-0411 to these issues.\n\nNote: Red Hat Enterprise Linux 2.1 is only vulnerable to the mailto URI\nflaw as a previous update shipped without a telnet.protocol file.\n\nAll users of KDE are advised to upgrade to these erratum packages, which\ncontain a backported patch for these issues.",
        "title": "Details"
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        "category": "legal_disclaimer",
        "text": "This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.",
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          "text": "The URI handlers in Konqueror for KDE 3.2.2 and earlier do not properly filter \"-\" characters that begin a hostname in a (1) telnet, (2) rlogin, (3) ssh, or (4) mailto URI, which allows remote attackers to manipulate the options that are passed to the associated programs, possibly to read arbitrary files or execute arbitrary code.",
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          "date": "2004-05-17T21:09:00+00:00",
          "details": "Before applying this update, make sure all previously released errata\nrelevant to your system have been applied.\n\nTo update all RPMs for your particular architecture, run:\n\nrpm -Fvh [filenames]\n\nwhere [filenames] is a list of the RPMs you wish to upgrade.  Only those\nRPMs which are currently installed will be updated.  Those RPMs which are\nnot installed but included in the list will not be updated.  Note that you\ncan also use wildcards (*.rpm) if your current directory *only* contains the\ndesired RPMs.\n\nPlease note that this update is also available via Red Hat Network.  Many\npeople find this an easier way to apply updates.  To use Red Hat Network,\nlaunch the Red Hat Update Agent with the following command:\n\nup2date\n\nThis will start an interactive process that will result in the appropriate\nRPMs being upgraded on your system.\n\nIf up2date fails to connect to Red Hat Network due to SSL\nCertificate Errors, you need to install a version of the\nup2date client with an updated certificate.  The latest version of\nup2date is available from the Red Hat FTP site and may also be\ndownloaded directly from the RHN website:\n\nhttps://rhn.redhat.com/help/latest-up2date.pxt",
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