QID 198517

Date Published: 2021-09-30

QID 198517: Ubuntu Security Notification for EDK II Vulnerabilities (USN-5088-1)

Edk ii incorrectly handled input validation in mdemodulepkg.
Openssl used in edk ii incorrectly handled certain input lengths in evp functions.
Openssl used in edk ii incorrectly handled certain asn.
Edk ii incorrectly decoded certain strings.

Note: The preceding description block is extracted directly from the security advisory. Using automation, we have attempted to clean and format it as much as possible without introducing additional issues.

a local user could possibly use this issue to cause edk ii to crash, resulting in a denial of service, obtain sensitive information or execute arbitrary code. (
Cve-2019-11098).
An attacker could possibly use this issue to cause edk ii to crash, resulting in a denial of service.
(cve-2021-23840).1 strings.
An attacker could use this issue to cause edk ii to crash, resulting in a denial of service, or possibly obtain sensitive information. (
Cve-2021-3712).
A remote attacker could use this issue to cause edk ii to crash, resulting in a denial of service, or possibly execute arbitrary code. (
Cve-2021-38575).

  • CVSS V3 rated as High - 7.5 severity.
  • CVSS V2 rated as Medium - 5.8 severity.
    • Solution
    Refer to Ubuntu advisory: USN-5088-1 for affected packages and patching details, or update with your package manager.
    Vendor References

    CVEs related to QID 198517

    CVE-2021-3712 | CVE-2021-23840 | CVE-2019-11098 | CVE-2021-38575 |
    Software Advisories
    Advisory ID Software Component Link
    USN-5088-1 Ubuntu Linux URL Logo ubuntu.com/security/notices/USN-5088-1
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