rhsa-2003:113
Vulnerability from csaf_redhat
Published
2003-05-02 11:57
Modified
2025-11-21 17:25
Summary
Red Hat Security Advisory: : Updated mod_auth_any packages available
Notes
Topic
Updated mod_auth_any packages are now available for Red Hat Linux.
Details
mod_auth_any is a Web server module that allows the Apache httpd server to
call arbitrary external programs to verify user passwords.
Vulnerabilities have been found in the way mod_auth_any escapes shell
arguments when calling external programs. Versions of mod_auth_any included
in Red Hat Linux 7.2 and 7.3 are affected. These vulnerabilities
allow remote attackers to run arbitrary commands as the user under which
the Web server is running. The Common Vulnerabilities and Exposures
project (cve.mitre.org) has assigned the name CAN-2003-0084 to these issues.
All users are advised to upgrade to these errata packages, which address
these vulnerabilities by changing the method by which external programs are
invoked.
Note: This updated module is more careful in checking the results of the
AuthAnyUserProg. Previous versions did not distinguish between the program
outputting nothing due to success or a crash. This replacement version
treats a zero-length result as if it were an "Authentication Error," and
expects the program to output a valid username on success.
Red Hat would like to thank Daniel Jarboe and Maneesh Sahani for bringing
these issues to our attention.
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": "Updated mod_auth_any packages are now available for Red Hat Linux.",
"title": "Topic"
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{
"category": "general",
"text": "mod_auth_any is a Web server module that allows the Apache httpd server to\ncall arbitrary external programs to verify user passwords.\n\nVulnerabilities have been found in the way mod_auth_any escapes shell\narguments when calling external programs. Versions of mod_auth_any included\nin Red Hat Linux 7.2 and 7.3 are affected. These vulnerabilities\nallow remote attackers to run arbitrary commands as the user under which\nthe Web server is running. The Common Vulnerabilities and Exposures\nproject (cve.mitre.org) has assigned the name CAN-2003-0084 to these issues.\n\nAll users are advised to upgrade to these errata packages, which address\nthese vulnerabilities by changing the method by which external programs are\ninvoked.\n\nNote: This updated module is more careful in checking the results of the\nAuthAnyUserProg. Previous versions did not distinguish between the program\noutputting nothing due to success or a crash. This replacement version\ntreats a zero-length result as if it were an \"Authentication Error,\" and\nexpects the program to output a valid username on success. \n\nRed Hat would like to thank Daniel Jarboe and Maneesh Sahani for bringing\nthese issues to our attention.",
"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.",
"title": "Terms of Use"
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"summary": "https://access.redhat.com/errata/RHSA-2003:113",
"url": "https://access.redhat.com/errata/RHSA-2003:113"
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{
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"summary": "77414",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=77414"
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{
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"url": "https://security.access.redhat.com/data/csaf/v2/advisories/2003/rhsa-2003_113.json"
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],
"title": "Red Hat Security Advisory: : Updated mod_auth_any packages available",
"tracking": {
"current_release_date": "2025-11-21T17:25:53+00:00",
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"id": "RHSA-2003:113",
"initial_release_date": "2003-05-02T11:57:00+00:00",
"revision_history": [
{
"date": "2003-05-02T11:57:00+00:00",
"number": "1",
"summary": "Initial version"
},
{
"date": "2003-05-02T00:00:00+00:00",
"number": "2",
"summary": "Last updated version"
},
{
"date": "2025-11-21T17:25:53+00:00",
"number": "3",
"summary": "Last generated version"
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],
"status": "final",
"version": "3"
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"product_tree": {
"branches": [
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"branches": [
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"branches": [
{
"category": "product_name",
"name": "Red Hat Linux 7.2",
"product": {
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"vulnerabilities": [
{
"cve": "CVE-2003-0084",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "1616962"
}
],
"notes": [
{
"category": "description",
"text": "mod_auth_any package in Red Hat Enterprise Linux 2.1 and other operating systems does not properly escape arguments when calling other programs, which allows attackers to execute arbitrary commands via shell metacharacters.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "security flaw",
"title": "Vulnerability summary"
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"Red Hat Linux 7.3"
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"references": [
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"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2003-0084"
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"summary": "RHBZ#1616962",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1616962"
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{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2003-0084",
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{
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],
"release_date": "2003-04-28T00:00:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2003-05-02T11:57:00+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.",
"product_ids": [
"Red Hat Linux 7.2",
"Red Hat Linux 7.3"
],
"restart_required": {
"category": "none"
},
"url": "https://access.redhat.com/errata/RHSA-2003:113"
}
],
"threats": [
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"category": "impact",
"details": "Important"
}
],
"title": "security flaw"
}
]
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.
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