rhsa-2015_1153
Vulnerability from csaf_redhat
Published
2015-06-23 09:11
Modified
2024-11-22 09:01
Summary
Red Hat Security Advisory: mailman security and bug fix update

Notes

Topic
Updated mailman packages that fix one security issue and several bugs are now available for Red Hat Enterprise Linux 7. Red Hat Product Security 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
Mailman is a program used to help manage email discussion lists. It was found that mailman did not sanitize the list name before passing it to certain MTAs. A local attacker could use this flaw to execute arbitrary code as the user running mailman. (CVE-2015-2775) This update also fixes the following bugs: * Previously, it was impossible to configure Mailman in a way that Domain-based Message Authentication, Reporting & Conformance (DMARC) would recognize Sender alignment for Domain Key Identified Mail (DKIM) signatures. Consequently, Mailman list subscribers that belonged to a mail server with a "reject" policy for DMARC, such as yahoo.com or AOL.com, were unable to receive Mailman forwarded messages from senders residing in any domain that provided DKIM signatures. With this update, domains with a "reject" DMARC policy are recognized correctly, and Mailman list administrators are able to configure the way these messages are handled. As a result, after a proper configuration, subscribers now correctly receive Mailman forwarded messages in this scenario. (BZ#1229288) * Previously, the /etc/mailman file had incorrectly set permissions, which in some cases caused removing Mailman lists to fail with a "'NoneType' object has no attribute 'close'" message. With this update, the permissions value for /etc/mailman is correctly set to 2775 instead of 0755, and removing Mailman lists now works as expected. (BZ#1229307) * Prior to this update, the mailman utility incorrectly installed the tmpfiles configuration in the /etc/tmpfiles.d/ directory. As a consequence, changes made to mailman tmpfiles configuration were overwritten if the mailman packages were reinstalled or updated. The mailman utility now installs the tmpfiles configuration in the /usr/lib/tmpfiles.d/ directory, and changes made to them by the user are preserved on reinstall or update. (BZ#1229306) All mailman users are advised to upgrade to these updated packages, which contain backported patches to correct these issues.
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": "Updated mailman packages that fix one security issue and several bugs are\nnow available for Red Hat Enterprise Linux 7.\n\nRed Hat Product Security has rated this update as having Moderate security\nimpact. A Common Vulnerability Scoring System (CVSS) base score, which\ngives a detailed severity rating, is available from the CVE link in the\nReferences section.",
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        "text": "Mailman is a program used to help manage email discussion lists.\n\nIt was found that mailman did not sanitize the list name before passing it\nto certain MTAs. A local attacker could use this flaw to execute arbitrary\ncode as the user running mailman. (CVE-2015-2775)\n\nThis update also fixes the following bugs:\n\n* Previously, it was impossible to configure Mailman in a way that\nDomain-based Message Authentication, Reporting \u0026 Conformance (DMARC) would\nrecognize Sender alignment for Domain Key Identified Mail (DKIM)\nsignatures. Consequently, Mailman list subscribers that belonged to a mail\nserver with a \"reject\" policy for DMARC, such as yahoo.com or AOL.com, were\nunable to receive Mailman forwarded messages from senders residing in any\ndomain that provided DKIM signatures. With this update, domains with a\n\"reject\" DMARC policy are recognized correctly, and Mailman list\nadministrators are able to configure the way these messages are handled. As\na result, after a proper configuration, subscribers now correctly receive\nMailman forwarded messages in this scenario. (BZ#1229288)\n\n* Previously, the /etc/mailman file had incorrectly set permissions, which\nin some cases caused removing Mailman lists to fail with a \"\u0027NoneType\u0027\nobject has no attribute \u0027close\u0027\" message. With this update, the permissions\nvalue for /etc/mailman is correctly set to 2775 instead of 0755, and\nremoving Mailman lists now works as expected. (BZ#1229307)\n\n* Prior to this update, the mailman utility incorrectly installed the\ntmpfiles configuration in the /etc/tmpfiles.d/ directory. As a consequence,\nchanges made to mailman tmpfiles configuration were overwritten if the\nmailman packages were reinstalled or updated. The mailman utility now\ninstalls the tmpfiles configuration in the /usr/lib/tmpfiles.d/ directory,\nand changes made to them by the user are preserved on reinstall or update.\n(BZ#1229306)\n\nAll mailman users are advised to upgrade to these updated packages, which\ncontain backported patches to correct these issues.",
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        "name": "Improper Limitation of a Pathname to a Restricted Directory (\u0027Path Traversal\u0027)"
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        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "1208059"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "It was found that mailman did not sanitize the list name before passing it to certain MTAs. A local attacker could use this flaw to execute arbitrary code as the user running mailman.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "mailman: directory traversal in MTA transports that deliver programmatically",
          "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": [
          "7Server-7.1.Z:mailman-3:2.1.15-21.el7_1.ppc64",
          "7Server-7.1.Z:mailman-3:2.1.15-21.el7_1.s390x",
          "7Server-7.1.Z:mailman-3:2.1.15-21.el7_1.src",
          "7Server-7.1.Z:mailman-3:2.1.15-21.el7_1.x86_64",
          "7Server-7.1.Z:mailman-debuginfo-3:2.1.15-21.el7_1.ppc64",
          "7Server-7.1.Z:mailman-debuginfo-3:2.1.15-21.el7_1.s390x",
          "7Server-7.1.Z:mailman-debuginfo-3:2.1.15-21.el7_1.x86_64",
          "7Server-LE-7.1.Z:mailman-3:2.1.15-21.ael7b_1.ppc64le",
          "7Server-LE-7.1.Z:mailman-3:2.1.15-21.ael7b_1.src",
          "7Server-LE-7.1.Z:mailman-debuginfo-3:2.1.15-21.ael7b_1.ppc64le",
          "7Workstation-7.1.Z:mailman-3:2.1.15-21.el7_1.ppc64",
          "7Workstation-7.1.Z:mailman-3:2.1.15-21.el7_1.s390x",
          "7Workstation-7.1.Z:mailman-3:2.1.15-21.el7_1.src",
          "7Workstation-7.1.Z:mailman-3:2.1.15-21.el7_1.x86_64",
          "7Workstation-7.1.Z:mailman-debuginfo-3:2.1.15-21.el7_1.ppc64",
          "7Workstation-7.1.Z:mailman-debuginfo-3:2.1.15-21.el7_1.s390x",
          "7Workstation-7.1.Z:mailman-debuginfo-3:2.1.15-21.el7_1.x86_64"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2015-2775"
        },
        {
          "category": "external",
          "summary": "RHBZ#1208059",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1208059"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2015-2775",
          "url": "https://www.cve.org/CVERecord?id=CVE-2015-2775"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2015-2775",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2015-2775"
        }
      ],
      "release_date": "2015-03-31T00:00:00+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2015-06-23T09:11:39+00:00",
          "details": "Before applying this update, make sure all previously released errata\nrelevant to your system have been applied.\n\nFor details on how to apply this update, refer to:\n\nhttps://access.redhat.com/articles/11258",
          "product_ids": [
            "7Server-7.1.Z:mailman-3:2.1.15-21.el7_1.ppc64",
            "7Server-7.1.Z:mailman-3:2.1.15-21.el7_1.s390x",
            "7Server-7.1.Z:mailman-3:2.1.15-21.el7_1.src",
            "7Server-7.1.Z:mailman-3:2.1.15-21.el7_1.x86_64",
            "7Server-7.1.Z:mailman-debuginfo-3:2.1.15-21.el7_1.ppc64",
            "7Server-7.1.Z:mailman-debuginfo-3:2.1.15-21.el7_1.s390x",
            "7Server-7.1.Z:mailman-debuginfo-3:2.1.15-21.el7_1.x86_64",
            "7Server-LE-7.1.Z:mailman-3:2.1.15-21.ael7b_1.ppc64le",
            "7Server-LE-7.1.Z:mailman-3:2.1.15-21.ael7b_1.src",
            "7Server-LE-7.1.Z:mailman-debuginfo-3:2.1.15-21.ael7b_1.ppc64le",
            "7Workstation-7.1.Z:mailman-3:2.1.15-21.el7_1.ppc64",
            "7Workstation-7.1.Z:mailman-3:2.1.15-21.el7_1.s390x",
            "7Workstation-7.1.Z:mailman-3:2.1.15-21.el7_1.src",
            "7Workstation-7.1.Z:mailman-3:2.1.15-21.el7_1.x86_64",
            "7Workstation-7.1.Z:mailman-debuginfo-3:2.1.15-21.el7_1.ppc64",
            "7Workstation-7.1.Z:mailman-debuginfo-3:2.1.15-21.el7_1.s390x",
            "7Workstation-7.1.Z:mailman-debuginfo-3:2.1.15-21.el7_1.x86_64"
          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2015:1153"
        }
      ],
      "scores": [
        {
          "cvss_v2": {
            "accessComplexity": "LOW",
            "accessVector": "LOCAL",
            "authentication": "NONE",
            "availabilityImpact": "PARTIAL",
            "baseScore": 4.6,
            "confidentialityImpact": "PARTIAL",
            "integrityImpact": "PARTIAL",
            "vectorString": "AV:L/AC:L/Au:N/C:P/I:P/A:P",
            "version": "2.0"
          },
          "products": [
            "7Server-7.1.Z:mailman-3:2.1.15-21.el7_1.ppc64",
            "7Server-7.1.Z:mailman-3:2.1.15-21.el7_1.s390x",
            "7Server-7.1.Z:mailman-3:2.1.15-21.el7_1.src",
            "7Server-7.1.Z:mailman-3:2.1.15-21.el7_1.x86_64",
            "7Server-7.1.Z:mailman-debuginfo-3:2.1.15-21.el7_1.ppc64",
            "7Server-7.1.Z:mailman-debuginfo-3:2.1.15-21.el7_1.s390x",
            "7Server-7.1.Z:mailman-debuginfo-3:2.1.15-21.el7_1.x86_64",
            "7Server-LE-7.1.Z:mailman-3:2.1.15-21.ael7b_1.ppc64le",
            "7Server-LE-7.1.Z:mailman-3:2.1.15-21.ael7b_1.src",
            "7Server-LE-7.1.Z:mailman-debuginfo-3:2.1.15-21.ael7b_1.ppc64le",
            "7Workstation-7.1.Z:mailman-3:2.1.15-21.el7_1.ppc64",
            "7Workstation-7.1.Z:mailman-3:2.1.15-21.el7_1.s390x",
            "7Workstation-7.1.Z:mailman-3:2.1.15-21.el7_1.src",
            "7Workstation-7.1.Z:mailman-3:2.1.15-21.el7_1.x86_64",
            "7Workstation-7.1.Z:mailman-debuginfo-3:2.1.15-21.el7_1.ppc64",
            "7Workstation-7.1.Z:mailman-debuginfo-3:2.1.15-21.el7_1.s390x",
            "7Workstation-7.1.Z:mailman-debuginfo-3:2.1.15-21.el7_1.x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Moderate"
        }
      ],
      "title": "mailman: directory traversal in MTA transports that deliver programmatically"
    }
  ]
}


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