csaf_redhat - rhsa-2003:249

RHSA-2003:249

Vulnerability from csaf_redhat - Published: 2003-08-22 21:09 - Updated: 2025-11-21 17:26

Summary

Red Hat Security Advisory: glibc security update

Notes

Topic

Updated glibc packages that fix a number of bugs as well as a buffer overflow issue are now available.

Details

The GNU libc package (known as glibc) contains the standard C libraries used by applications. A bug in the getgrouplist function can cause a buffer overflow if the size of the group list is too small to hold all the user's groups. This overflow can cause segmentation faults in user applications, which may have security implications, depending on the application in question. This vulnerability exists only when an administrator has placed a user in a number of groups larger than that expected by an application. Therefore, there is no risk in instances where users are members of few groups. The Common Vulnerabilities and Exposures project (cve.mitre.org) has assigned the name CAN-2003-0689 to this issue. In addition, a number of other bugs in glibc have been fixed: - An error prevented gdb from correctly debugging programs linked to libpthread. - A race condition existed in the malloc routine for IA64 platforms, which could cause memory corruption. - An error in pthread_spinlocks prevents spinlocks from functioning correctly on IA64 platforms. All users should upgrade to these errata packages, which contain patches to the glibc libraries correcting these issues.

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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{
  "document": {
    "aggregate_severity": {
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      "text": "Important"
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    "category": "csaf_security_advisory",
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    "lang": "en",
    "notes": [
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        "category": "summary",
        "text": "Updated glibc packages that fix a number of bugs as well as a buffer\noverflow issue are now available.",
        "title": "Topic"
      },
      {
        "category": "general",
        "text": "The GNU libc package (known as glibc) contains the standard C libraries\nused by applications.\n\nA bug in the getgrouplist function can cause a buffer overflow if \nthe size of the group list is too small to hold all the user\u0027s groups. \nThis overflow can cause segmentation faults in user applications, which may\nhave security implications, depending on the application in question. This\nvulnerability exists only when an administrator has placed a user in a\nnumber of groups larger than that expected by an application.  Therefore,\nthere is no risk in instances where users are members of few groups.  The\nCommon Vulnerabilities and Exposures project (cve.mitre.org) has assigned\nthe name CAN-2003-0689 to this issue.\n\nIn addition, a number of other bugs in glibc have been fixed:\n                  \n- An error prevented gdb from correctly debugging programs linked to\nlibpthread.                                                               \n     \n- A race condition existed in the malloc routine for IA64 platforms, which\ncould cause memory corruption.\n\n- An error in pthread_spinlocks prevents spinlocks from functioning\ncorrectly on IA64 platforms.\n\nAll users should upgrade to these errata packages, which contain patches to\nthe glibc libraries correcting these issues.",
        "title": "Details"
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        "summary": "101691",
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        "url": "https://security.access.redhat.com/data/csaf/v2/advisories/2003/rhsa-2003_249.json"
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          "text": "The getgrouplist function in GNU libc (glibc) 2.2.4 and earlier allows attackers to cause a denial of service (segmentation fault) and execute arbitrary code when a user is a member of a large number of groups, which can cause a buffer overflow.",
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        }
      ],
      "title": "security flaw"
    }
  ]
}

CVE-2003-0689 (GCVE-0-2003-0689)

Vulnerability from cvelistv5 – Published: 2003-09-03 04:00 – Updated: 2024-08-08 02:05

Summary

The getgrouplist function in GNU libc (glibc) 2.2.4 and earlier allows attackers to cause a denial of service (segmentation fault) and execute arbitrary code when a user is a member of a large number of groups, which can cause a buffer overflow.

Severity ?

No CVSS data available.

CWE

Assigner

mitre

References

URL

Tags

	http://www.redhat.com/support/errata/RHSA-2003-249.html	vendor-advisoryx_refsource_REDHAT
	http://www.redhat.com/support/errata/RHSA-2003-325.html	vendor-advisoryx_refsource_REDHAT

Show details on NVD website

JSON

To clipboard

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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.

Detection rules are retrieved from Rulezet.

Action not permitted

RHSA-2003:249

CVE-2003-0689 (GCVE-0-2003-0689)

Tags

Sightings

Nomenclature