suse-su-2023:4140-1
Vulnerability from csaf_suse
Published
2023-10-20 09:34
Modified
2023-10-20 09:34
Summary
Security update for grub2
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).
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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"
}
],
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"references": [
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"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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"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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{
"cvss_v3": {
"baseScore": 5.5,
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
"version": "3.1"
},
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"threats": [
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"category": "impact",
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"details": "moderate"
}
],
"title": "CVE-2023-4693"
}
]
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- 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.
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