rhsa-2010_0475
Vulnerability from csaf_redhat
Published
2010-06-16 00:04
Modified
2024-11-22 03:26
Summary
Red Hat Security Advisory: sudo security update

Notes

Topic
An updated sudo package that fixes one security issue is now available for Red Hat Enterprise Linux 5. The Red Hat Security Response Team has rated this update as having moderate security impact. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available from the CVE link in the References section.
Details
The sudo (superuser do) utility allows system administrators to give certain users the ability to run commands as root. A flaw was found in the way sudo handled the presence of duplicated environment variables. A local user authorized to run commands using sudo could use this flaw to set additional values for the environment variables set by sudo, which could result in those values being used by the executed command instead of the values set by sudo. This could possibly lead to certain intended restrictions being bypassed, such as the secure_path setting. (CVE-2010-1646) Red Hat would like to thank Anders Kaseorg and Evan Broder of Ksplice, Inc. for responsibly reporting this issue. Users of sudo should upgrade to this updated package, which contains a backported patch to correct this issue.
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.


To clipboard 

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        "text": "An updated sudo package that fixes one security issue is now available for\nRed Hat Enterprise Linux 5.\n\nThe Red Hat Security Response Team has rated this update as having moderate\nsecurity impact. A Common Vulnerability Scoring System (CVSS) base score,\nwhich gives a detailed severity rating, is available from the CVE link in\nthe References section.",
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        "text": "The sudo (superuser do) utility allows system administrators to give\ncertain users the ability to run commands as root.\n\nA flaw was found in the way sudo handled the presence of duplicated\nenvironment variables. A local user authorized to run commands using sudo\ncould use this flaw to set additional values for the environment variables\nset by sudo, which could result in those values being used by the executed\ncommand instead of the values set by sudo. This could possibly lead to\ncertain intended restrictions being bypassed, such as the secure_path\nsetting. (CVE-2010-1646)\n\nRed Hat would like to thank Anders Kaseorg and Evan Broder of Ksplice, Inc.\nfor responsibly reporting this issue.\n\nUsers of sudo should upgrade to this updated package, which contains a\nbackported patch to correct this issue.",
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      ],
      "notes": [
        {
          "category": "description",
          "text": "The secure path feature in env.c in sudo 1.3.1 through 1.6.9p22 and 1.7.0 through 1.7.2p6 does not properly handle an environment that contains multiple PATH variables, which might allow local users to gain privileges via a crafted value of the last PATH variable.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "sudo: insufficient environment sanitization issue",
          "title": "Vulnerability summary"
        },
        {
          "category": "general",
          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
          "title": "CVSS score applicability"
        }
      ],
      "product_status": {
        "fixed": [
          "5Client:sudo-0:1.7.2p1-7.el5_5.i386",
          "5Client:sudo-0:1.7.2p1-7.el5_5.ia64",
          "5Client:sudo-0:1.7.2p1-7.el5_5.ppc",
          "5Client:sudo-0:1.7.2p1-7.el5_5.s390x",
          "5Client:sudo-0:1.7.2p1-7.el5_5.src",
          "5Client:sudo-0:1.7.2p1-7.el5_5.x86_64",
          "5Client:sudo-debuginfo-0:1.7.2p1-7.el5_5.i386",
          "5Client:sudo-debuginfo-0:1.7.2p1-7.el5_5.ia64",
          "5Client:sudo-debuginfo-0:1.7.2p1-7.el5_5.ppc",
          "5Client:sudo-debuginfo-0:1.7.2p1-7.el5_5.s390x",
          "5Client:sudo-debuginfo-0:1.7.2p1-7.el5_5.x86_64",
          "5Server:sudo-0:1.7.2p1-7.el5_5.i386",
          "5Server:sudo-0:1.7.2p1-7.el5_5.ia64",
          "5Server:sudo-0:1.7.2p1-7.el5_5.ppc",
          "5Server:sudo-0:1.7.2p1-7.el5_5.s390x",
          "5Server:sudo-0:1.7.2p1-7.el5_5.src",
          "5Server:sudo-0:1.7.2p1-7.el5_5.x86_64",
          "5Server:sudo-debuginfo-0:1.7.2p1-7.el5_5.i386",
          "5Server:sudo-debuginfo-0:1.7.2p1-7.el5_5.ia64",
          "5Server:sudo-debuginfo-0:1.7.2p1-7.el5_5.ppc",
          "5Server:sudo-debuginfo-0:1.7.2p1-7.el5_5.s390x",
          "5Server:sudo-debuginfo-0:1.7.2p1-7.el5_5.x86_64"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2010-1646"
        },
        {
          "category": "external",
          "summary": "RHBZ#598154",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=598154"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2010-1646",
          "url": "https://www.cve.org/CVERecord?id=CVE-2010-1646"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2010-1646",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2010-1646"
        }
      ],
      "release_date": "2010-05-28T00:00:00+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2010-06-16T00:04:00+00:00",
          "details": "Before applying this update, make sure all previously-released errata\nrelevant to your system have been applied.\n\nThis update is available via the Red Hat Network. Details on how to\nuse the Red Hat Network to apply this update are available at\nhttp://kbase.redhat.com/faq/docs/DOC-11259",
          "product_ids": [
            "5Client:sudo-0:1.7.2p1-7.el5_5.i386",
            "5Client:sudo-0:1.7.2p1-7.el5_5.ia64",
            "5Client:sudo-0:1.7.2p1-7.el5_5.ppc",
            "5Client:sudo-0:1.7.2p1-7.el5_5.s390x",
            "5Client:sudo-0:1.7.2p1-7.el5_5.src",
            "5Client:sudo-0:1.7.2p1-7.el5_5.x86_64",
            "5Client:sudo-debuginfo-0:1.7.2p1-7.el5_5.i386",
            "5Client:sudo-debuginfo-0:1.7.2p1-7.el5_5.ia64",
            "5Client:sudo-debuginfo-0:1.7.2p1-7.el5_5.ppc",
            "5Client:sudo-debuginfo-0:1.7.2p1-7.el5_5.s390x",
            "5Client:sudo-debuginfo-0:1.7.2p1-7.el5_5.x86_64",
            "5Server:sudo-0:1.7.2p1-7.el5_5.i386",
            "5Server:sudo-0:1.7.2p1-7.el5_5.ia64",
            "5Server:sudo-0:1.7.2p1-7.el5_5.ppc",
            "5Server:sudo-0:1.7.2p1-7.el5_5.s390x",
            "5Server:sudo-0:1.7.2p1-7.el5_5.src",
            "5Server:sudo-0:1.7.2p1-7.el5_5.x86_64",
            "5Server:sudo-debuginfo-0:1.7.2p1-7.el5_5.i386",
            "5Server:sudo-debuginfo-0:1.7.2p1-7.el5_5.ia64",
            "5Server:sudo-debuginfo-0:1.7.2p1-7.el5_5.ppc",
            "5Server:sudo-debuginfo-0:1.7.2p1-7.el5_5.s390x",
            "5Server:sudo-debuginfo-0:1.7.2p1-7.el5_5.x86_64"
          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2010:0475"
        }
      ],
      "scores": [
        {
          "cvss_v2": {
            "accessComplexity": "MEDIUM",
            "accessVector": "LOCAL",
            "authentication": "SINGLE",
            "availabilityImpact": "COMPLETE",
            "baseScore": 6.6,
            "confidentialityImpact": "COMPLETE",
            "integrityImpact": "COMPLETE",
            "vectorString": "AV:L/AC:M/Au:S/C:C/I:C/A:C",
            "version": "2.0"
          },
          "products": [
            "5Client:sudo-0:1.7.2p1-7.el5_5.i386",
            "5Client:sudo-0:1.7.2p1-7.el5_5.ia64",
            "5Client:sudo-0:1.7.2p1-7.el5_5.ppc",
            "5Client:sudo-0:1.7.2p1-7.el5_5.s390x",
            "5Client:sudo-0:1.7.2p1-7.el5_5.src",
            "5Client:sudo-0:1.7.2p1-7.el5_5.x86_64",
            "5Client:sudo-debuginfo-0:1.7.2p1-7.el5_5.i386",
            "5Client:sudo-debuginfo-0:1.7.2p1-7.el5_5.ia64",
            "5Client:sudo-debuginfo-0:1.7.2p1-7.el5_5.ppc",
            "5Client:sudo-debuginfo-0:1.7.2p1-7.el5_5.s390x",
            "5Client:sudo-debuginfo-0:1.7.2p1-7.el5_5.x86_64",
            "5Server:sudo-0:1.7.2p1-7.el5_5.i386",
            "5Server:sudo-0:1.7.2p1-7.el5_5.ia64",
            "5Server:sudo-0:1.7.2p1-7.el5_5.ppc",
            "5Server:sudo-0:1.7.2p1-7.el5_5.s390x",
            "5Server:sudo-0:1.7.2p1-7.el5_5.src",
            "5Server:sudo-0:1.7.2p1-7.el5_5.x86_64",
            "5Server:sudo-debuginfo-0:1.7.2p1-7.el5_5.i386",
            "5Server:sudo-debuginfo-0:1.7.2p1-7.el5_5.ia64",
            "5Server:sudo-debuginfo-0:1.7.2p1-7.el5_5.ppc",
            "5Server:sudo-debuginfo-0:1.7.2p1-7.el5_5.s390x",
            "5Server:sudo-debuginfo-0:1.7.2p1-7.el5_5.x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Moderate"
        }
      ],
      "title": "sudo: insufficient environment sanitization issue"
    }
  ]
}


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