rhsa-2024_4419
Vulnerability from csaf_redhat
Published
2024-07-09 10:02
Modified
2024-11-06 06:21
Summary
Red Hat Security Advisory: edk2 security update
Notes
Topic
An update for edk2 is now available for Red Hat Enterprise Linux 9.2 Extended Update Support.
Red Hat Product Security has rated this update as having a security impact of Important. 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: Buffer overflow when handling Server ID option from a DHCPv6 proxy Advertise message (CVE-2023-45235)
* edk2: Integer underflow when processing IA_NA/IA_TA options in a DHCPv6 Advertise message (CVE-2023-45229)
* edk2: Out of Bounds read when handling a ND Redirect message with truncated options (CVE-2023-45231)
* 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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"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2023-45237"
},
{
"category": "external",
"summary": "RHBZ#2258706",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2258706"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2023-45237",
"url": "https://www.cve.org/CVERecord?id=CVE-2023-45237"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2023-45237",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2023-45237"
},
{
"category": "external",
"summary": "https://blog.quarkslab.com/pixiefail-nine-vulnerabilities-in-tianocores-edk-ii-ipv6-network-stack.html",
"url": "https://blog.quarkslab.com/pixiefail-nine-vulnerabilities-in-tianocores-edk-ii-ipv6-network-stack.html"
},
{
"category": "external",
"summary": "https://github.com/advisories/GHSA-fxqf-p2p3-gxvr",
"url": "https://github.com/advisories/GHSA-fxqf-p2p3-gxvr"
}
],
"release_date": "2024-01-16T00:00:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2024-07-09T10:02:47+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",
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"url": "https://access.redhat.com/errata/RHSA-2024:4419"
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{
"category": "workaround",
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{
"cvss_v3": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 7.5,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
"version": "3.1"
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"threats": [
{
"category": "impact",
"details": "Moderate"
}
],
"title": "edk2: Use of a Weak PseudoRandom Number Generator"
}
]
}
Loading...
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- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- 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.