rhsa-2010_0675
Vulnerability from csaf_redhat
Published
2010-09-07 12:49
Modified
2024-11-22 03:41
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 important 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 Runas specifications containing both a user and a group list. If a local user were authorized by the sudoers file to perform their sudo commands with the privileges of a specified user and group, they could use this flaw to run those commands with the privileges of either an arbitrary user or group on the system. (CVE-2010-2956) Red Hat would like to thank Markus Wuethrich of Swiss Post - PostFinance for 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.


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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 Runas specifications containing\nboth a user and a group list. If a local user were authorized by the\nsudoers file to perform their sudo commands with the privileges of a\nspecified user and group, they could use this flaw to run those commands\nwith the privileges of either an arbitrary user or group on the system.\n(CVE-2010-2956)\n\nRed Hat would like to thank Markus Wuethrich of Swiss Post - PostFinance\nfor 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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          "text": "628628"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "Sudo 1.7.0 through 1.7.4p3, when a Runas group is configured, does not properly handle use of the -u option in conjunction with the -g option, which allows local users to gain privileges via a command line containing a \"-u root\" sequence.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "sudo: incorrect handling of RunAs specification with both user and group lists",
          "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-0:1.7.2p1-8.el5_5.i386",
          "5Client:sudo-0:1.7.2p1-8.el5_5.ia64",
          "5Client:sudo-0:1.7.2p1-8.el5_5.ppc",
          "5Client:sudo-0:1.7.2p1-8.el5_5.s390x",
          "5Client:sudo-0:1.7.2p1-8.el5_5.src",
          "5Client:sudo-0:1.7.2p1-8.el5_5.x86_64",
          "5Client:sudo-debuginfo-0:1.7.2p1-8.el5_5.i386",
          "5Client:sudo-debuginfo-0:1.7.2p1-8.el5_5.ia64",
          "5Client:sudo-debuginfo-0:1.7.2p1-8.el5_5.ppc",
          "5Client:sudo-debuginfo-0:1.7.2p1-8.el5_5.s390x",
          "5Client:sudo-debuginfo-0:1.7.2p1-8.el5_5.x86_64",
          "5Server:sudo-0:1.7.2p1-8.el5_5.i386",
          "5Server:sudo-0:1.7.2p1-8.el5_5.ia64",
          "5Server:sudo-0:1.7.2p1-8.el5_5.ppc",
          "5Server:sudo-0:1.7.2p1-8.el5_5.s390x",
          "5Server:sudo-0:1.7.2p1-8.el5_5.src",
          "5Server:sudo-0:1.7.2p1-8.el5_5.x86_64",
          "5Server:sudo-debuginfo-0:1.7.2p1-8.el5_5.i386",
          "5Server:sudo-debuginfo-0:1.7.2p1-8.el5_5.ia64",
          "5Server:sudo-debuginfo-0:1.7.2p1-8.el5_5.ppc",
          "5Server:sudo-debuginfo-0:1.7.2p1-8.el5_5.s390x",
          "5Server:sudo-debuginfo-0:1.7.2p1-8.el5_5.x86_64"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2010-2956"
        },
        {
          "category": "external",
          "summary": "RHBZ#628628",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=628628"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2010-2956",
          "url": "https://www.cve.org/CVERecord?id=CVE-2010-2956"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2010-2956",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2010-2956"
        }
      ],
      "release_date": "2010-09-07T00:00:00+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2010-09-07T12:49:00+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-0:1.7.2p1-8.el5_5.i386",
            "5Client:sudo-0:1.7.2p1-8.el5_5.ia64",
            "5Client:sudo-0:1.7.2p1-8.el5_5.ppc",
            "5Client:sudo-0:1.7.2p1-8.el5_5.s390x",
            "5Client:sudo-0:1.7.2p1-8.el5_5.src",
            "5Client:sudo-0:1.7.2p1-8.el5_5.x86_64",
            "5Client:sudo-debuginfo-0:1.7.2p1-8.el5_5.i386",
            "5Client:sudo-debuginfo-0:1.7.2p1-8.el5_5.ia64",
            "5Client:sudo-debuginfo-0:1.7.2p1-8.el5_5.ppc",
            "5Client:sudo-debuginfo-0:1.7.2p1-8.el5_5.s390x",
            "5Client:sudo-debuginfo-0:1.7.2p1-8.el5_5.x86_64",
            "5Server:sudo-0:1.7.2p1-8.el5_5.i386",
            "5Server:sudo-0:1.7.2p1-8.el5_5.ia64",
            "5Server:sudo-0:1.7.2p1-8.el5_5.ppc",
            "5Server:sudo-0:1.7.2p1-8.el5_5.s390x",
            "5Server:sudo-0:1.7.2p1-8.el5_5.src",
            "5Server:sudo-0:1.7.2p1-8.el5_5.x86_64",
            "5Server:sudo-debuginfo-0:1.7.2p1-8.el5_5.i386",
            "5Server:sudo-debuginfo-0:1.7.2p1-8.el5_5.ia64",
            "5Server:sudo-debuginfo-0:1.7.2p1-8.el5_5.ppc",
            "5Server:sudo-debuginfo-0:1.7.2p1-8.el5_5.s390x",
            "5Server:sudo-debuginfo-0:1.7.2p1-8.el5_5.x86_64"
          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2010:0675"
        }
      ],
      "scores": [
        {
          "cvss_v2": {
            "accessComplexity": "HIGH",
            "accessVector": "LOCAL",
            "authentication": "SINGLE",
            "availabilityImpact": "COMPLETE",
            "baseScore": 6.0,
            "confidentialityImpact": "COMPLETE",
            "integrityImpact": "COMPLETE",
            "vectorString": "AV:L/AC:H/Au:S/C:C/I:C/A:C",
            "version": "2.0"
          },
          "products": [
            "5Client:sudo-0:1.7.2p1-8.el5_5.i386",
            "5Client:sudo-0:1.7.2p1-8.el5_5.ia64",
            "5Client:sudo-0:1.7.2p1-8.el5_5.ppc",
            "5Client:sudo-0:1.7.2p1-8.el5_5.s390x",
            "5Client:sudo-0:1.7.2p1-8.el5_5.src",
            "5Client:sudo-0:1.7.2p1-8.el5_5.x86_64",
            "5Client:sudo-debuginfo-0:1.7.2p1-8.el5_5.i386",
            "5Client:sudo-debuginfo-0:1.7.2p1-8.el5_5.ia64",
            "5Client:sudo-debuginfo-0:1.7.2p1-8.el5_5.ppc",
            "5Client:sudo-debuginfo-0:1.7.2p1-8.el5_5.s390x",
            "5Client:sudo-debuginfo-0:1.7.2p1-8.el5_5.x86_64",
            "5Server:sudo-0:1.7.2p1-8.el5_5.i386",
            "5Server:sudo-0:1.7.2p1-8.el5_5.ia64",
            "5Server:sudo-0:1.7.2p1-8.el5_5.ppc",
            "5Server:sudo-0:1.7.2p1-8.el5_5.s390x",
            "5Server:sudo-0:1.7.2p1-8.el5_5.src",
            "5Server:sudo-0:1.7.2p1-8.el5_5.x86_64",
            "5Server:sudo-debuginfo-0:1.7.2p1-8.el5_5.i386",
            "5Server:sudo-debuginfo-0:1.7.2p1-8.el5_5.ia64",
            "5Server:sudo-debuginfo-0:1.7.2p1-8.el5_5.ppc",
            "5Server:sudo-debuginfo-0:1.7.2p1-8.el5_5.s390x",
            "5Server:sudo-debuginfo-0:1.7.2p1-8.el5_5.x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Important"
        }
      ],
      "title": "sudo: incorrect handling of RunAs specification with both user and group lists"
    }
  ]
}


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