rhsa-2024_4749
Vulnerability from csaf_redhat
Published
2024-07-23 16:35
Modified
2024-11-24 15:53
Summary
Red Hat Security Advisory: edk2 security update

Notes

Topic
An update for edk2 is now available for Red Hat Enterprise Linux 9. 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: integer overflow in CreateHob() could lead to HOB OOB R/W (CVE-2022-36765) * edk2: Predictable TCP Initial Sequence Numbers (CVE-2023-45236) * edk2: Use of a Weak PseudoRandom Number Generator (CVE-2023-45237) 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.
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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        "name": "Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG)"
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          "title": "Vulnerability description"
        },
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          "text": "edk2: Use of a Weak PseudoRandom Number Generator",
          "title": "Vulnerability summary"
        },
        {
          "category": "other",
          "text": "The identified flaw in the NetworkPkg IP stack within the EDK2, an open-source UEFI implementation, poses a moderate security concern as the vulnerability allows an unauthenticated attacker within the same local network to exploit via a specifically crafted Destination Options IPv6 header.",
          "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.",
          "title": "CVSS score applicability"
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          "category": "external",
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          "url": "https://nvd.nist.gov/vuln/detail/CVE-2023-45237"
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          "category": "external",
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          "url": "https://blog.quarkslab.com/pixiefail-nine-vulnerabilities-in-tianocores-edk-ii-ipv6-network-stack.html"
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      "title": "edk2: Use of a Weak PseudoRandom Number Generator"
    }
  ]
}


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  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
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  • Not confirmed: The user expresses doubt about the veracity of the vulnerability.
  • Not patched: This vulnerability was not successfully patched by the user reporting the sighting.