rhsa-2020_4687
Vulnerability from csaf_redhat
Published
2020-11-04 01:31
Modified
2024-11-05 22:55
Summary
Red Hat Security Advisory: oddjob security, bug fix, and enhancement update

Notes

Topic
An update for oddjob is now available for Red Hat Enterprise Linux 8. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.
Details
The oddjob packages contain a D-Bus service which performs particular tasks for clients which connect to it and issue requests using the system-wide message bus. The following packages have been upgraded to a later upstream version: oddjob (0.34.5). (BZ#1833289) Security Fix(es): * oddjob: race condition in oddjob_selinux_mkdir function in mkhomedir.c can lead to symlink attack (CVE-2020-10737) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section. Additional Changes: For detailed information on changes in this release, see the Red Hat Enterprise Linux 8.3 Release Notes linked from the References section.
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": "An update for oddjob is now available for Red Hat Enterprise Linux 8.\n\nRed Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.",
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        "text": "The oddjob packages contain a D-Bus service which performs particular tasks for clients which connect to it and issue requests using the system-wide message bus.\n\nThe following packages have been upgraded to a later upstream version: oddjob (0.34.5). (BZ#1833289)\n\nSecurity Fix(es):\n\n* oddjob: race condition in oddjob_selinux_mkdir function in mkhomedir.c can lead to symlink attack (CVE-2020-10737)\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.\n\nAdditional Changes:\n\nFor detailed information on changes in this release, see the Red Hat Enterprise Linux 8.3 Release Notes linked from the References section.",
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  "vulnerabilities": [
    {
      "acknowledgments": [
        {
          "names": [
            "Matthias Gerstner"
          ],
          "organization": "SUSE security team"
        }
      ],
      "cve": "CVE-2020-10737",
      "cwe": {
        "id": "CWE-362",
        "name": "Concurrent Execution using Shared Resource with Improper Synchronization (\u0027Race Condition\u0027)"
      },
      "discovery_date": "2020-04-27T00:00:00+00:00",
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "1833042"
        }
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      "notes": [
        {
          "category": "description",
          "text": "A race condition was found in the mkhomedir tool shipped with the oddjob package. During the home creation, mkhomedir copies the /etc/skel directory into the newly created home and changes its ownership to the home\u0027s user without properly checking the homedir path. This flaw allows an attacker to leverage this issue by creating a symlink point to a target folder, which then has its ownership transferred to the new home directory\u0027s unprivileged user.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "oddjob: race condition in oddjob_selinux_mkdir function in mkhomedir.c can lead to symlink attack",
          "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"
        }
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          "summary": "Canonical URL",
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          "url": "https://www.cve.org/CVERecord?id=CVE-2020-10737"
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        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2020-10737",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2020-10737"
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      "release_date": "2020-05-07T00:00:00+00:00",
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          "category": "vendor_fix",
          "date": "2020-11-04T01:31:52+00:00",
          "details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258",
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            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "HIGH",
            "scope": "UNCHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:L/AC:H/PR:H/UI:R/S:U/C:H/I:H/A:H",
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      "threats": [
        {
          "category": "impact",
          "details": "Moderate"
        }
      ],
      "title": "oddjob: race condition in oddjob_selinux_mkdir function in mkhomedir.c can lead to symlink attack"
    }
  ]
}


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