RHSA-2002_229
Vulnerability from csaf_redhat - Published: 2002-12-10 15:23 - Updated: 2024-11-21 22:31Summary
Red Hat Security Advisory: : : : Updated wget packages fix directory traversal bug
Notes
Topic
The wget packages shipped with Red Hat Linux 6.2 through 8.0 contain a
security bug which, under certain circumstances, can cause local files to
be written outside the download directory.
[Updated 10 July 2003]
Added packages for Red Hat Linux on IBM iSeries and pSeries systems
Details
Versions of wget prior to 1.8.2-4 contain a bug that permits a malicious
FTP server to create or overwrite files anywhere on the local file system.
FTP clients must check to see if an FTP server's response to the NLST
command includes any directory information along with the list of filenames
required by the FTP protocol (RFC 959, section 4.1.3).
If the FTP client fails to do so, a malicious FTP server can send filenames
beginning with '/' or containing '/../' which can be used to direct a
vulnerable FTP client to write files (such as .forward, .rhosts, .shost,
etc.) that can then be used for later attacks against the client machine.
All Red Hat Linux users using wget < 1.8.2-4 should upgrade
to the errata packages which are not vulnerable to this issue.
Thanks to Steven M. Christey for his work in discovering this issue
in current FTP clients and for providing a patched FTP server to verify
the new packages.
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.
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{
"category": "summary",
"text": "The wget packages shipped with Red Hat Linux 6.2 through 8.0 contain a\nsecurity bug which, under certain circumstances, can cause local files to\nbe written outside the download directory.\n\n[Updated 10 July 2003]\nAdded packages for Red Hat Linux on IBM iSeries and pSeries systems",
"title": "Topic"
},
{
"category": "general",
"text": "Versions of wget prior to 1.8.2-4 contain a bug that permits a malicious\nFTP server to create or overwrite files anywhere on the local file system.\n\nFTP clients must check to see if an FTP server\u0027s response to the NLST\ncommand includes any directory information along with the list of filenames\nrequired by the FTP protocol (RFC 959, section 4.1.3).\n\nIf the FTP client fails to do so, a malicious FTP server can send filenames\nbeginning with \u0027/\u0027 or containing \u0027/../\u0027 which can be used to direct a\nvulnerable FTP client to write files (such as .forward, .rhosts, .shost,\netc.) that can then be used for later attacks against the client machine.\n\nAll Red Hat Linux users using wget \u003c 1.8.2-4 should upgrade\nto the errata packages which are not vulnerable to this issue.\n\nThanks to Steven M. Christey for his work in discovering this issue\nin current FTP clients and for providing a patched FTP server to verify\nthe new packages.",
"title": "Details"
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"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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"title": "Red Hat Security Advisory: : : : Updated wget packages fix directory traversal bug",
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"vulnerabilities": [
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"cve": "CVE-2002-1344",
"ids": [
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"text": "1616879"
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"notes": [
{
"category": "description",
"text": "Directory traversal vulnerability in wget before 1.8.2-4 allows a remote FTP server to create or overwrite files as the wget user via filenames containing (1) /absolute/path or (2) .. (dot dot) sequences.",
"title": "Vulnerability description"
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"title": "Vulnerability summary"
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"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1616879"
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"release_date": "2002-12-10T00:00:00+00:00",
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{
"category": "vendor_fix",
"date": "2002-12-10T15:23:00+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.",
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"details": "Moderate"
}
],
"title": "security flaw"
}
]
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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