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CVE-2024-6119 Affecting edk2-tools package, versions <0:20231122-6.el9_4.4

Severity

 Recommended
medium

Based on AlmaLinux security rating

    Threat Intelligence

    EPSS
    0.05% (17th percentile)

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  • Snyk ID SNYK-ALMALINUX9-EDK2TOOLS-8352949
  • published 8 Nov 2024
  • disclosed 18 Sep 2024
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Introduced: 18 Sep 2024

CVE-2024-6119 Open this link in a new tab

How to fix?

Upgrade AlmaLinux:9 edk2-tools to version 0:20231122-6.el9_4.4 or higher.
This issue was patched in ALSA-2024:8935.

NVD Description

Note: Versions mentioned in the description apply only to the upstream edk2-tools package and not the edk2-tools package as distributed by AlmaLinux. See How to fix? for AlmaLinux:9 relevant fixed versions and status.

Issue summary: Applications performing certificate name checks (e.g., TLS clients checking server certificates) may attempt to read an invalid memory address resulting in abnormal termination of the application process.

Impact summary: Abnormal termination of an application can a cause a denial of service.

Applications performing certificate name checks (e.g., TLS clients checking server certificates) may attempt to read an invalid memory address when comparing the expected name with an otherName subject alternative name of an X.509 certificate. This may result in an exception that terminates the application program.

Note that basic certificate chain validation (signatures, dates, ...) is not affected, the denial of service can occur only when the application also specifies an expected DNS name, Email address or IP address.

TLS servers rarely solicit client certificates, and even when they do, they generally don't perform a name check against a reference identifier (expected identity), but rather extract the presented identity after checking the certificate chain. So TLS servers are generally not affected and the severity of the issue is Moderate.

The FIPS modules in 3.3, 3.2, 3.1 and 3.0 are not affected by this issue.

References

CVSS Scores

version 3.1
Expand this section

Red Hat

5.9 medium
  • Attack Vector (AV)
    Network
  • Attack Complexity (AC)
    High
  • Privileges Required (PR)
    None
  • User Interaction (UI)
    None
  • Scope (S)
    Unchanged
  • Confidentiality (C)
    None
  • Integrity (I)
    None
  • Availability (A)
    High
Expand this section

SUSE

5.9 medium