RHSA-2020:1787

Vulnerability from csaf_redhat - Published: 2020-04-28 15:45 - Updated: 2025-11-21 18:13
Summary
Red Hat Security Advisory: unzip security update

Notes

Topic
An update for unzip is now available for Red Hat Enterprise Linux 8. Red Hat Product Security has rated this update as having a security impact of Low. 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 unzip utility is used to list, test, and extract files from zip archives. Security Fix(es): * unzip: overlapping of files in ZIP container leads to denial of service (CVE-2019-13232) 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 8.2 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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  "vulnerabilities": [
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      "cwe": {
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      },
      "discovery_date": "2019-07-04T00:00:00+00:00",
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          "category": "description",
          "text": "Info-ZIP UnZip 6.0 mishandles the overlapping of files inside a ZIP container, leading to denial of service (resource consumption), aka a \"better zip bomb\" issue.",
          "title": "Vulnerability description"
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          "text": "unzip: overlapping of files in ZIP container leads to denial of service",
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          "text": "This issue affects the versions of unzip as shipped with Red Hat Enterprise Linux 5, 6, 7, and 8.\n\nRed Hat Enterprise Linux 5 is now in Extended Life Phase of the support and maintenance life cycle. This issue is not currently planned to be addressed in future updates. For additional information, refer to the Red Hat Enterprise Linux Life Cycle: https://access.redhat.com/support/policy/updates/errata/.\n\nRed Hat Enterprise Linux 6 is now in Maintenance Support 2 Phase of the support and maintenance life cycle. This has been rated as having a security impact of Low, and is not currently planned to be addressed in future updates. For additional information, refer to the Red Hat Enterprise Linux Life Cycle: https://access.redhat.com/support/policy/updates/errata/.",
          "title": "Statement"
        },
        {
          "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.",
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            "BaseOS-8.2.0.GA:unzip-debuginfo-0:6.0-43.el8.aarch64",
            "BaseOS-8.2.0.GA:unzip-debuginfo-0:6.0-43.el8.ppc64le",
            "BaseOS-8.2.0.GA:unzip-debuginfo-0:6.0-43.el8.s390x",
            "BaseOS-8.2.0.GA:unzip-debuginfo-0:6.0-43.el8.x86_64",
            "BaseOS-8.2.0.GA:unzip-debugsource-0:6.0-43.el8.aarch64",
            "BaseOS-8.2.0.GA:unzip-debugsource-0:6.0-43.el8.ppc64le",
            "BaseOS-8.2.0.GA:unzip-debugsource-0:6.0-43.el8.s390x",
            "BaseOS-8.2.0.GA:unzip-debugsource-0:6.0-43.el8.x86_64"
          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2020:1787"
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "LOCAL",
            "availabilityImpact": "LOW",
            "baseScore": 4.0,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L",
            "version": "3.0"
          },
          "products": [
            "BaseOS-8.2.0.GA:unzip-0:6.0-43.el8.aarch64",
            "BaseOS-8.2.0.GA:unzip-0:6.0-43.el8.ppc64le",
            "BaseOS-8.2.0.GA:unzip-0:6.0-43.el8.s390x",
            "BaseOS-8.2.0.GA:unzip-0:6.0-43.el8.src",
            "BaseOS-8.2.0.GA:unzip-0:6.0-43.el8.x86_64",
            "BaseOS-8.2.0.GA:unzip-debuginfo-0:6.0-43.el8.aarch64",
            "BaseOS-8.2.0.GA:unzip-debuginfo-0:6.0-43.el8.ppc64le",
            "BaseOS-8.2.0.GA:unzip-debuginfo-0:6.0-43.el8.s390x",
            "BaseOS-8.2.0.GA:unzip-debuginfo-0:6.0-43.el8.x86_64",
            "BaseOS-8.2.0.GA:unzip-debugsource-0:6.0-43.el8.aarch64",
            "BaseOS-8.2.0.GA:unzip-debugsource-0:6.0-43.el8.ppc64le",
            "BaseOS-8.2.0.GA:unzip-debugsource-0:6.0-43.el8.s390x",
            "BaseOS-8.2.0.GA:unzip-debugsource-0:6.0-43.el8.x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Low"
        }
      ],
      "title": "unzip: overlapping of files in ZIP container leads to denial of service"
    }
  ]
}


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Tags
Taxonomy of the tags.




Sightings

Author Source Type Date

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.