OPENSUSE-SU-2023:0215-1

Vulnerability from csaf_opensuse - Published: 2023-08-07 04:01 - Updated: 2023-08-07 04:01
Summary
Security update for perl-Net-Netmask

Notes

Title of the patch
Security update for perl-Net-Netmask
Description of the patch
This update for perl-Net-Netmask fixes the following issues: * CVE-2021-29424: Leading zeros are no longer allowed for IPv4 octets. This (in some situations) allows attackers to bypass access control that is based on IP addresses.(boo#1184425)
Patchnames
openSUSE-2023-215
Terms of use
CSAF 2.0 data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0).
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{
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      "text": "moderate"
    },
    "category": "csaf_security_advisory",
    "csaf_version": "2.0",
    "distribution": {
      "text": "Copyright 2024 SUSE LLC. All rights reserved.",
      "tlp": {
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    "notes": [
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        "text": "Security update for perl-Net-Netmask",
        "title": "Title of the patch"
      },
      {
        "category": "description",
        "text": "This update for perl-Net-Netmask fixes the following issues:\n\n* CVE-2021-29424: Leading zeros are no longer allowed for IPv4 octets. This\n  (in some situations) allows attackers to bypass access control\n  that is based on IP addresses.(boo#1184425)\n",
        "title": "Description of the patch"
      },
      {
        "category": "details",
        "text": "openSUSE-2023-215",
        "title": "Patchnames"
      },
      {
        "category": "legal_disclaimer",
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        "summary": "SUSE ratings",
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      },
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        "category": "self",
        "summary": "URL of this CSAF notice",
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      },
      {
        "category": "self",
        "summary": "URL for openSUSE-SU-2023:0215-1",
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      },
      {
        "category": "self",
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      },
      {
        "category": "self",
        "summary": "SUSE Bug 1184425",
        "url": "https://bugzilla.suse.com/1184425"
      },
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        "category": "self",
        "summary": "SUSE CVE CVE-2021-29424 page",
        "url": "https://www.suse.com/security/cve/CVE-2021-29424/"
      }
    ],
    "title": "Security update for perl-Net-Netmask",
    "tracking": {
      "current_release_date": "2023-08-07T04:01:39Z",
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        "date": "2023-08-07T04:01:39Z",
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      "id": "openSUSE-SU-2023:0215-1",
      "initial_release_date": "2023-08-07T04:01:39Z",
      "revision_history": [
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          "date": "2023-08-07T04:01:39Z",
          "number": "1",
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      ],
      "status": "final",
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  },
  "product_tree": {
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        "branches": [
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            "branches": [
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              }
            ],
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          },
          {
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                }
              },
              {
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    "relationships": [
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  "vulnerabilities": [
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      "cve": "CVE-2021-29424",
      "ids": [
        {
          "system_name": "SUSE CVE Page",
          "text": "https://www.suse.com/security/cve/CVE-2021-29424"
        }
      ],
      "notes": [
        {
          "category": "general",
          "text": "The Net::Netmask module before 2.0000 for Perl does not properly consider extraneous zero characters at the beginning of an IP address string, which (in some situations) allows attackers to bypass access control that is based on IP addresses.",
          "title": "CVE description"
        }
      ],
      "product_status": {
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          "SUSE Package Hub 15 SP4:perl-Net-Netmask-1.9022-bp154.2.3.1.noarch",
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      },
      "references": [
        {
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          "summary": "CVE-2021-29424",
          "url": "https://www.suse.com/security/cve/CVE-2021-29424"
        },
        {
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          "summary": "SUSE Bug 1184425 for CVE-2021-29424",
          "url": "https://bugzilla.suse.com/1184425"
        }
      ],
      "remediations": [
        {
          "category": "vendor_fix",
          "details": "To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n",
          "product_ids": [
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      ],
      "scores": [
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            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N",
            "version": "3.1"
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          "date": "2023-08-07T04:01:39Z",
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        }
      ],
      "title": "CVE-2021-29424"
    }
  ]
}


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Sightings

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.