SUSE-SU-2023:4140-1
Vulnerability from csaf_suse - Published: 2023-10-20 09:34 - Updated: 2023-10-20 09:34Summary
Security update for grub2
Severity
Important
Notes
Title of the patch: Security update for grub2
Description of the patch: This update for grub2 fixes the following issues:
Security fixes:
- CVE-2023-4692: Fixed an out-of-bounds write at fs/ntfs.c which may lead to unsigned code execution. (bsc#1215935)
- CVE-2023-4693: Fixed an out-of-bounds read at fs/ntfs.c which may lead to leak sensitive information. (bsc#1215936)
Other fixes:
- Fix a boot delay issue in PowerPC PXE boot (bsc#1201300)
Patchnames: SUSE-2023-4140,SUSE-SLE-Micro-5.3-2023-4140,SUSE-SLE-Micro-5.4-2023-4140,SUSE-SLE-Module-Basesystem-15-SP4-2023-4140,SUSE-SLE-Module-SUSE-Manager-Proxy-4.3-2023-4140,SUSE-SLE-Module-Server-Applications-15-SP4-2023-4140
Terms of use: CSAF 2.0 data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0).
7.8 (High)
Affected products
Recommended
31 products
| Product | Identifier | Version | Remediation |
|---|---|---|---|
| Unresolved product id: SUSE Linux Enterprise Micro 5.3:grub2-2.06-150400.11.38.1.aarch64 | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Linux Enterprise Micro 5.3:grub2-2.06-150400.11.38.1.s390x | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Linux Enterprise Micro 5.3:grub2-2.06-150400.11.38.1.x86_64 | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Linux Enterprise Micro 5.3:grub2-arm64-efi-2.06-150400.11.38.1.noarch | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Linux Enterprise Micro 5.3:grub2-i386-pc-2.06-150400.11.38.1.noarch | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Linux Enterprise Micro 5.3:grub2-s390x-emu-2.06-150400.11.38.1.s390x | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Linux Enterprise Micro 5.3:grub2-snapper-plugin-2.06-150400.11.38.1.noarch | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Linux Enterprise Micro 5.3:grub2-x86_64-efi-2.06-150400.11.38.1.noarch | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Linux Enterprise Micro 5.3:grub2-x86_64-xen-2.06-150400.11.38.1.noarch | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Linux Enterprise Micro 5.4:grub2-2.06-150400.11.38.1.aarch64 | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Linux Enterprise Micro 5.4:grub2-2.06-150400.11.38.1.s390x | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Linux Enterprise Micro 5.4:grub2-2.06-150400.11.38.1.x86_64 | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Linux Enterprise Micro 5.4:grub2-arm64-efi-2.06-150400.11.38.1.noarch | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Linux Enterprise Micro 5.4:grub2-i386-pc-2.06-150400.11.38.1.noarch | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Linux Enterprise Micro 5.4:grub2-s390x-emu-2.06-150400.11.38.1.s390x | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Linux Enterprise Micro 5.4:grub2-snapper-plugin-2.06-150400.11.38.1.noarch | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Linux Enterprise Micro 5.4:grub2-x86_64-efi-2.06-150400.11.38.1.noarch | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Linux Enterprise Micro 5.4:grub2-x86_64-xen-2.06-150400.11.38.1.noarch | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Linux Enterprise Module for Basesystem 15 SP4:grub2-2.06-150400.11.38.1.aarch64 | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Linux Enterprise Module for Basesystem 15 SP4:grub2-2.06-150400.11.38.1.ppc64le | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Linux Enterprise Module for Basesystem 15 SP4:grub2-2.06-150400.11.38.1.s390x | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Linux Enterprise Module for Basesystem 15 SP4:grub2-2.06-150400.11.38.1.x86_64 | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Linux Enterprise Module for Basesystem 15 SP4:grub2-arm64-efi-2.06-150400.11.38.1.noarch | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Linux Enterprise Module for Basesystem 15 SP4:grub2-i386-pc-2.06-150400.11.38.1.noarch | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Linux Enterprise Module for Basesystem 15 SP4:grub2-powerpc-ieee1275-2.06-150400.11.38.1.noarch | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Linux Enterprise Module for Basesystem 15 SP4:grub2-s390x-emu-2.06-150400.11.38.1.s390x | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Linux Enterprise Module for Basesystem 15 SP4:grub2-snapper-plugin-2.06-150400.11.38.1.noarch | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Linux Enterprise Module for Basesystem 15 SP4:grub2-systemd-sleep-plugin-2.06-150400.11.38.1.noarch | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Linux Enterprise Module for Basesystem 15 SP4:grub2-x86_64-efi-2.06-150400.11.38.1.noarch | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Linux Enterprise Module for Server Applications 15 SP4:grub2-x86_64-xen-2.06-150400.11.38.1.noarch | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Manager Proxy Module 4.3:grub2-arm64-efi-2.06-150400.11.38.1.noarch | — |
Vendor Fix
|
Threats
Impact
important
5.5 (Medium)
Affected products
Recommended
31 products, the same list as for
CVE-2023-4692
Threats
Impact
moderate
References
19 references
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},
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},
{
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},
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},
{
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},
{
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{
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},
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},
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},
{
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},
{
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}
],
"category": "architecture",
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},
{
"branches": [
{
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},
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}
},
{
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"product": {
"name": "grub2-s390x-emu-debug-2.06-150400.11.38.1.s390x",
"product_id": "grub2-s390x-emu-debug-2.06-150400.11.38.1.s390x"
}
}
],
"category": "architecture",
"name": "s390x"
},
{
"branches": [
{
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},
{
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"summary": "SUSE Bug 1227915 for CVE-2023-4692",
"url": "https://bugzilla.suse.com/1227915"
}
],
"remediations": [
{
"category": "vendor_fix",
"details": "To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n",
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"scores": [
{
"cvss_v3": {
"baseScore": 7.8,
"baseSeverity": "HIGH",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
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],
"threats": [
{
"category": "impact",
"date": "2023-10-20T09:34:14Z",
"details": "important"
}
],
"title": "CVE-2023-4692"
},
{
"cve": "CVE-2023-4693",
"ids": [
{
"system_name": "SUSE CVE Page",
"text": "https://www.suse.com/security/cve/CVE-2023-4693"
}
],
"notes": [
{
"category": "general",
"text": "An out-of-bounds read flaw was found on grub2\u0027s NTFS filesystem driver. This issue may allow a physically present attacker to present a specially crafted NTFS file system image to read arbitrary memory locations. A successful attack allows sensitive data cached in memory or EFI variable values to be leaked, presenting a high Confidentiality risk.",
"title": "CVE description"
}
],
"product_status": {
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"references": [
{
"category": "external",
"summary": "CVE-2023-4693",
"url": "https://www.suse.com/security/cve/CVE-2023-4693"
},
{
"category": "external",
"summary": "SUSE Bug 1215936 for CVE-2023-4693",
"url": "https://bugzilla.suse.com/1215936"
}
],
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{
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"cvss_v3": {
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"baseSeverity": "MEDIUM",
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"version": "3.1"
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"threats": [
{
"category": "impact",
"date": "2023-10-20T09:34:14Z",
"details": "moderate"
}
],
"title": "CVE-2023-4693"
}
]
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
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.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
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