RHSA-2019_3338

Vulnerability from csaf_redhat - Published: 2019-11-05 21:03 - Updated: 2024-11-22 12:37
Summary
Red Hat Security Advisory: edk2 security, bug fix, and enhancement update
Severity
Moderate
Notes
Topic: An update for edk2 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: EDK (Embedded Development Kit) is a project to enable UEFI support for Virtual Machines. This package contains a sample 64-bit UEFI firmware for QEMU and KVM. Security Fix(es): * edk2: Stack buffer overflow with corrupted BMP (CVE-2018-12181) * edk2: Buffer overflows in PartitionDxe and UdfDxe with long file names and invalid UDF media (CVE-2019-0160) 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 8.1 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.
CVE-2018-12181

A stack-based buffer overflow was discovered in edk2 when the HII database contains a Bitmap that claims to be 4-bit or 8-bit per pixel, but the palette contains more than 16(2^4) or 256(2^8) colors.

5.3 (Medium)
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L
CWE-121 - Stack-based Buffer Overflow
Affected products
Product Identifier Version Remediation
Unresolved product id: AppStream-8.1.0:edk2-0:20190308git89910a39dcfd-6.el8.src —
Vendor Fix fix
Unresolved product id: AppStream-8.1.0:edk2-aarch64-0:20190308git89910a39dcfd-6.el8.noarch —
Vendor Fix fix
Unresolved product id: AppStream-8.1.0:edk2-ovmf-0:20190308git89910a39dcfd-6.el8.noarch —
Vendor Fix fix
Threats
Impact Moderate
CVE-2019-0160

Buffer overflows were discovered in UDF-related codes under MdeModulePkg\Universal\Disk\PartitionDxe\Udf.c and MdeModulePkg\Universal\Disk\UdfDxe, which could be triggered with long file names or invalid formatted UDF media.

5.9 (Medium)
CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
CWE-121 - Stack-based Buffer Overflow
Affected products
Product Identifier Version Remediation
Unresolved product id: AppStream-8.1.0:edk2-0:20190308git89910a39dcfd-6.el8.src —
Vendor Fix fix
Unresolved product id: AppStream-8.1.0:edk2-aarch64-0:20190308git89910a39dcfd-6.el8.noarch —
Vendor Fix fix
Unresolved product id: AppStream-8.1.0:edk2-ovmf-0:20190308git89910a39dcfd-6.el8.noarch —
Vendor Fix fix
Threats
Impact Moderate
CVE-2019-0161

Stack overflow in XHCI for EDK II may allow an unauthenticated user to potentially enable denial of service via local access.

5.9 (Medium)
CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
CWE-400 - Uncontrolled Resource Consumption
Affected products
Product Identifier Version Remediation
Unresolved product id: AppStream-8.1.0:edk2-0:20190308git89910a39dcfd-6.el8.src —
Vendor Fix fix
Unresolved product id: AppStream-8.1.0:edk2-aarch64-0:20190308git89910a39dcfd-6.el8.noarch —
Vendor Fix fix
Unresolved product id: AppStream-8.1.0:edk2-ovmf-0:20190308git89910a39dcfd-6.el8.noarch —
Vendor Fix fix
Threats
Impact Moderate
References
To clipboard 

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        {
          "category": "external",
          "summary": "RHBZ#1694065",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1694065"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2019-0161",
          "url": "https://www.cve.org/CVERecord?id=CVE-2019-0161"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2019-0161",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2019-0161"
        },
        {
          "category": "external",
          "summary": "https://edk2-docs.gitbooks.io/security-advisory/content/xhci-stack-local-stack-overflow.html",
          "url": "https://edk2-docs.gitbooks.io/security-advisory/content/xhci-stack-local-stack-overflow.html"
        }
      ],
      "release_date": "2018-06-05T00:00:00+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2019-11-05T21:03:59+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",
          "product_ids": [
            "AppStream-8.1.0:edk2-0:20190308git89910a39dcfd-6.el8.src",
            "AppStream-8.1.0:edk2-aarch64-0:20190308git89910a39dcfd-6.el8.noarch",
            "AppStream-8.1.0:edk2-ovmf-0:20190308git89910a39dcfd-6.el8.noarch"
          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2019:3338"
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "LOCAL",
            "availabilityImpact": "LOW",
            "baseScore": 5.9,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "LOW",
            "integrityImpact": "LOW",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L",
            "version": "3.0"
          },
          "products": [
            "AppStream-8.1.0:edk2-0:20190308git89910a39dcfd-6.el8.src",
            "AppStream-8.1.0:edk2-aarch64-0:20190308git89910a39dcfd-6.el8.noarch",
            "AppStream-8.1.0:edk2-ovmf-0:20190308git89910a39dcfd-6.el8.noarch"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Moderate"
        }
      ],
      "title": "edk2: stack overflow in XHCI causing denial of service"
    }
  ]
}


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Tags
Taxonomy of the tags.




Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

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.