rhsa-2013_0126
Vulnerability from csaf_redhat
Published
2013-01-08 04:20
Modified
2024-11-22 05:28
Summary
Red Hat Security Advisory: squirrelmail security and bug fix update

Notes

Topic
An updated squirrelmail package that fixes one security issue and several bugs is now available for Red Hat Enterprise Linux 5. The Red Hat Security Response Team has rated this update as having low 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
SquirrelMail is a standards-based webmail package written in PHP. The SquirrelMail security update RHSA-2012:0103 did not, unlike the erratum text stated, correct the CVE-2010-2813 issue, a flaw in the way SquirrelMail handled failed log in attempts. A user preference file was created when attempting to log in with a password containing an 8-bit character, even if the username was not valid. A remote attacker could use this flaw to eventually consume all hard disk space on the target SquirrelMail server. (CVE-2012-2124) This update also fixes the following bugs: * Prior to this update, SquirrelMail could not decode multi-line subjects properly. Consequently, the decode header internationalization option did not properly handle new lines or tabs at the beginning of the lines. This bug has been fixed and SquirrelMail now works correctly in the described scenario. (BZ#241861) * Due to a bug, attachments written in HTML code on the Windows operating system were not displayed properly when accessed with SquirrelMail; the "!=null" string was trimmed to "!ull". This bug has been fixed and the attachments are now displayed correctly in such a case. (BZ#359791) * Previously, e-mail messages with a Unique Identifier (UID) larger than 2^31 bytes were unreadable when using the squirrelmail package. With this patch the squirrelmail package is able to read all messages regardless of the UIDs size. (BZ#450780) * Due to a bug, a PHP script did not assign the proper character set to requested variables. Consequently, SquirrelMail could not display any e-mails. The underlying source code has been modified and now the squirrelmail package assigns the correct character set. (BZ#475188) * Due to the incorrect internationalization option located at the i18n.php file, the squirrelmail package could not use the GB 2312 character set. The i18n.php file has been fixed and the GB 2312 character set works correctly in the described scenario. (BZ#508686) * Previously, the preg_split() function contained a misspelled constant, PREG_SPLIT_NI_EMPTY, which could cause SquirrelMail to produce error messages. The name of the constant has been corrected to PREG_SPLIT_NO_EMPTY, and SquirrelMail no longer produces error messages in this scenario. (BZ#528758) * Due to Security-Enhanced Linux (SELinux) settings, sending e-mails from the SquirrelMail web interface was blocked. This update adds a note to the SquirrelMail documentation that describes how to set the SELinux options to allow sending e-mails from the SquirrelMail web interface. (BZ#745380) * Previously, the squirrelmail package did not comply with the RFC 2822 specification about line length limits. Consequently, attachments with lines longer than 998 characters could not be forwarded using SquirrelMail. This patch modifies the underlying source code and now SquirrelMail complies with the RFC 2822 specification as expected. (BZ#745469) * Prior to this update, the squirrelmail package required the php-common script instead of the mod_php script during installation or upgrade of the package, which led to a dependency error. As a result, attempting to install or upgrade the squirrelmail package failed on systems using the php53 packages. With this update, the dependencies of the squirrelmail package were changed and the installation or upgrade now works correctly in the described scenario. (BZ#789353) All users of SquirrelMail are advised to upgrade to this updated package, which contains 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.


To clipboard 

{
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      "text": "Low"
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    "category": "csaf_security_advisory",
    "csaf_version": "2.0",
    "distribution": {
      "text": "Copyright \u00a9 Red Hat, Inc. All rights reserved.",
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        "url": "https://www.first.org/tlp/"
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    "lang": "en",
    "notes": [
      {
        "category": "summary",
        "text": "An updated squirrelmail package that fixes one security issue and several\nbugs is now available for Red Hat Enterprise Linux 5.\n\nThe Red Hat Security Response Team has rated this update as having low\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.",
        "title": "Topic"
      },
      {
        "category": "general",
        "text": "SquirrelMail is a standards-based webmail package written in PHP.\n\nThe SquirrelMail security update RHSA-2012:0103 did not, unlike the erratum\ntext stated, correct the CVE-2010-2813 issue, a flaw in the way\nSquirrelMail handled failed log in attempts. A user preference file was\ncreated when attempting to log in with a password containing an 8-bit\ncharacter, even if the username was not valid. A remote attacker could use\nthis flaw to eventually consume all hard disk space on the target\nSquirrelMail server. (CVE-2012-2124)\n\nThis update also fixes the following bugs:\n\n* Prior to this update, SquirrelMail could not decode multi-line subjects\nproperly. Consequently, the decode header internationalization option did\nnot properly handle new lines or tabs at the beginning of the lines. This\nbug has been fixed and SquirrelMail now works correctly in the described\nscenario. (BZ#241861)\n\n* Due to a bug, attachments written in HTML code on the Windows operating\nsystem were not displayed properly when accessed with SquirrelMail; the\n\"!=null\" string was trimmed to \"!ull\". This bug has been fixed and the\nattachments are now displayed correctly in such a case. (BZ#359791)\n\n* Previously, e-mail messages with a Unique Identifier (UID) larger than\n2^31 bytes were unreadable when using the squirrelmail package. With this\npatch the squirrelmail package is able to read all messages regardless of\nthe UIDs size. (BZ#450780)\n\n* Due to a bug, a PHP script did not assign the proper character set to\nrequested variables. Consequently, SquirrelMail could not display any\ne-mails. The underlying source code has been modified and now the\nsquirrelmail package assigns the correct character set. (BZ#475188)\n\n* Due to the incorrect internationalization option located at the i18n.php\nfile, the squirrelmail package could not use the GB 2312 character set. The\ni18n.php file has been fixed and the GB 2312 character set works correctly\nin the described scenario. (BZ#508686)\n\n* Previously, the preg_split() function contained a misspelled constant,\nPREG_SPLIT_NI_EMPTY, which could cause SquirrelMail to produce error\nmessages. The name of the constant has been corrected to\nPREG_SPLIT_NO_EMPTY, and SquirrelMail no longer produces error messages in\nthis scenario. (BZ#528758)\n\n* Due to Security-Enhanced Linux (SELinux) settings, sending e-mails from\nthe SquirrelMail web interface was blocked. This update adds a note to the\nSquirrelMail documentation that describes how to set the SELinux options to\nallow sending e-mails from the SquirrelMail web interface. (BZ#745380)\n\n* Previously, the squirrelmail package did not comply with the RFC 2822\nspecification about line length limits. Consequently, attachments with\nlines longer than 998 characters could not be forwarded using SquirrelMail.\nThis patch modifies the underlying source code and now SquirrelMail\ncomplies with the RFC 2822 specification as expected. (BZ#745469)\n\n* Prior to this update, the squirrelmail package required the php-common\nscript instead of the mod_php script during installation or upgrade of the\npackage, which led to a dependency error. As a result, attempting to\ninstall or upgrade the squirrelmail package failed on systems using the\nphp53 packages. With this update, the dependencies of the squirrelmail\npackage were changed and the installation or upgrade now works correctly in\nthe described scenario. (BZ#789353)\n\nAll users of SquirrelMail are advised to upgrade to this updated package,\nwhich contains backported patches to correct these issues.",
        "title": "Details"
      },
      {
        "category": "legal_disclaimer",
        "text": "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.",
        "title": "Terms of Use"
      }
    ],
    "publisher": {
      "category": "vendor",
      "contact_details": "https://access.redhat.com/security/team/contact/",
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    "references": [
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        "url": "https://access.redhat.com/errata/RHSA-2013:0126"
      },
      {
        "category": "external",
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        "url": "https://access.redhat.com/security/updates/classification/#low"
      },
      {
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        "url": "https://rhn.redhat.com/errata/RHSA-2012-0103.html"
      },
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        "summary": "241861",
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        "summary": "450780",
        "url": "https://bugzilla.redhat.com/show_bug.cgi?id=450780"
      },
      {
        "category": "external",
        "summary": "475188",
        "url": "https://bugzilla.redhat.com/show_bug.cgi?id=475188"
      },
      {
        "category": "external",
        "summary": "508686",
        "url": "https://bugzilla.redhat.com/show_bug.cgi?id=508686"
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        "summary": "528758",
        "url": "https://bugzilla.redhat.com/show_bug.cgi?id=528758"
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        "url": "https://bugzilla.redhat.com/show_bug.cgi?id=745380"
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        "summary": "745469",
        "url": "https://bugzilla.redhat.com/show_bug.cgi?id=745469"
      },
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        "summary": "789353",
        "url": "https://bugzilla.redhat.com/show_bug.cgi?id=789353"
      },
      {
        "category": "external",
        "summary": "814671",
        "url": "https://bugzilla.redhat.com/show_bug.cgi?id=814671"
      },
      {
        "category": "self",
        "summary": "Canonical URL",
        "url": "https://security.access.redhat.com/data/csaf/v2/advisories/2013/rhsa-2013_0126.json"
      }
    ],
    "title": "Red Hat Security Advisory: squirrelmail security and bug fix update",
    "tracking": {
      "current_release_date": "2024-11-22T05:28:21+00:00",
      "generator": {
        "date": "2024-11-22T05:28:21+00:00",
        "engine": {
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          "version": "4.2.1"
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      "id": "RHSA-2013:0126",
      "initial_release_date": "2013-01-08T04:20:00+00:00",
      "revision_history": [
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          "number": "1",
          "summary": "Initial version"
        },
        {
          "date": "2013-01-08T04:21:41+00:00",
          "number": "2",
          "summary": "Last updated version"
        },
        {
          "date": "2024-11-22T05:28:21+00:00",
          "number": "3",
          "summary": "Last generated version"
        }
      ],
      "status": "final",
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                "name": "Red Hat Enterprise Linux Desktop Workstation (v. 5 client)",
                "product": {
                  "name": "Red Hat Enterprise Linux Desktop Workstation (v. 5 client)",
                  "product_id": "5Client-Workstation",
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                "product": {
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                  }
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                  "product_id": "squirrelmail-0:1.4.8-21.el5.noarch",
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                    "purl": "pkg:rpm/redhat/squirrelmail@1.4.8-21.el5?arch=noarch"
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            "name": "noarch"
          }
        ],
        "category": "vendor",
        "name": "Red Hat"
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    "relationships": [
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        "full_product_name": {
          "name": "squirrelmail-0:1.4.8-21.el5.noarch as a component of Red Hat Enterprise Linux Desktop Workstation (v. 5 client)",
          "product_id": "5Client-Workstation:squirrelmail-0:1.4.8-21.el5.noarch"
        },
        "product_reference": "squirrelmail-0:1.4.8-21.el5.noarch",
        "relates_to_product_reference": "5Client-Workstation"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "squirrelmail-0:1.4.8-21.el5.src as a component of Red Hat Enterprise Linux Desktop Workstation (v. 5 client)",
          "product_id": "5Client-Workstation:squirrelmail-0:1.4.8-21.el5.src"
        },
        "product_reference": "squirrelmail-0:1.4.8-21.el5.src",
        "relates_to_product_reference": "5Client-Workstation"
      },
      {
        "category": "default_component_of",
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          "product_id": "5Server:squirrelmail-0:1.4.8-21.el5.noarch"
        },
        "product_reference": "squirrelmail-0:1.4.8-21.el5.noarch",
        "relates_to_product_reference": "5Server"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "squirrelmail-0:1.4.8-21.el5.src as a component of Red Hat Enterprise Linux (v. 5 server)",
          "product_id": "5Server:squirrelmail-0:1.4.8-21.el5.src"
        },
        "product_reference": "squirrelmail-0:1.4.8-21.el5.src",
        "relates_to_product_reference": "5Server"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2012-2124",
      "discovery_date": "2012-03-30T00:00:00+00:00",
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "814671"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "functions/imap_general.php in SquirrelMail, as used in Red Hat Enterprise Linux (RHEL) 4 and 5, does not properly handle 8-bit characters in passwords, which allows remote attackers to cause a denial of service (disk consumption) by making many IMAP login attempts with different usernames, leading to the creation of many preference files.  NOTE: this issue exists because of an incorrect fix for CVE-2010-2813.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "squirrelmail: not fixed in RHSA-2012:0103",
          "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-Workstation:squirrelmail-0:1.4.8-21.el5.noarch",
          "5Client-Workstation:squirrelmail-0:1.4.8-21.el5.src",
          "5Server:squirrelmail-0:1.4.8-21.el5.noarch",
          "5Server:squirrelmail-0:1.4.8-21.el5.src"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2012-2124"
        },
        {
          "category": "external",
          "summary": "RHBZ#814671",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=814671"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2012-2124",
          "url": "https://www.cve.org/CVERecord?id=CVE-2012-2124"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2012-2124",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2012-2124"
        }
      ],
      "release_date": "2012-04-20T00:00:00+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2013-01-08T04:20:00+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\nhttps://access.redhat.com/knowledge/articles/11258",
          "product_ids": [
            "5Client-Workstation:squirrelmail-0:1.4.8-21.el5.noarch",
            "5Client-Workstation:squirrelmail-0:1.4.8-21.el5.src",
            "5Server:squirrelmail-0:1.4.8-21.el5.noarch",
            "5Server:squirrelmail-0:1.4.8-21.el5.src"
          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2013:0126"
        }
      ],
      "scores": [
        {
          "cvss_v2": {
            "accessComplexity": "LOW",
            "accessVector": "NETWORK",
            "authentication": "NONE",
            "availabilityImpact": "PARTIAL",
            "baseScore": 5.0,
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P",
            "version": "2.0"
          },
          "products": [
            "5Client-Workstation:squirrelmail-0:1.4.8-21.el5.noarch",
            "5Client-Workstation:squirrelmail-0:1.4.8-21.el5.src",
            "5Server:squirrelmail-0:1.4.8-21.el5.noarch",
            "5Server:squirrelmail-0:1.4.8-21.el5.src"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Low"
        }
      ],
      "title": "squirrelmail: not fixed in RHSA-2012:0103"
    }
  ]
}


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