SUSE-SU-2023:2084-1
Vulnerability from csaf_suse - Published: 2023-05-02 11:32 - Updated: 2023-05-02 11:32Summary
Security update for shim
Severity
Important
Notes
Title of the patch: Security update for shim
Description of the patch: This update for shim fixes the following issues:
- CVE-2022-28737 was missing as reference previously.
- Upgrade shim-install for bsc#1210382
After closing Leap-gap project since Leap 15.3, openSUSE Leap direct
uses shim from SLE. So the ca_string is 'SUSE Linux Enterprise Secure Boot
CA1', not 'openSUSE Secure Boot CA1'. It causes that the update_boot=no,
so all files in /boot/efi/EFI/boot are not updated.
Logic was added that is using ID field in os-release for
checking Leap distro and set ca_string to 'SUSE Linux Enterprise Secure
Boot CA1'. Then /boot/efi/EFI/boot/* can also be updated.
Patchnames: SUSE-2023-2084,SUSE-SLE-Micro-5.3-2023-2084,SUSE-SLE-Micro-5.4-2023-2084,SUSE-SLE-Module-Basesystem-15-SP4-2023-2084,SUSE-SLE-Product-HPC-15-SP3-ESPOS-2023-2084,SUSE-SLE-Product-HPC-15-SP3-LTSS-2023-2084,SUSE-SLE-Product-RT-15-SP3-2023-2084,SUSE-SLE-Product-SLES-15-SP3-LTSS-2023-2084,SUSE-SLE-Product-SLES_SAP-15-SP3-2023-2084,SUSE-SLE-Product-SUSE-Manager-Proxy-4.2-2023-2084,SUSE-SLE-Product-SUSE-Manager-Server-4.2-2023-2084,SUSE-SUSE-MicroOS-5.1-2023-2084,SUSE-SUSE-MicroOS-5.2-2023-2084,SUSE-Storage-7.1-2023-2084,openSUSE-Leap-Micro-5.3-2023-2084,openSUSE-SLE-15.4-2023-2084
Terms of use: CSAF 2.0 data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0).
8.4 (High)
Affected products
Recommended
26 products
| Product | Identifier | Version | Remediation |
|---|---|---|---|
| Unresolved product id: SUSE Enterprise Storage 7.1:shim-15.7-150300.4.16.1.aarch64 | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Enterprise Storage 7.1:shim-15.7-150300.4.16.1.x86_64 | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Linux Enterprise High Performance Computing 15 SP3-ESPOS:shim-15.7-150300.4.16.1.aarch64 | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Linux Enterprise High Performance Computing 15 SP3-ESPOS:shim-15.7-150300.4.16.1.x86_64 | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Linux Enterprise High Performance Computing 15 SP3-LTSS:shim-15.7-150300.4.16.1.aarch64 | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Linux Enterprise High Performance Computing 15 SP3-LTSS:shim-15.7-150300.4.16.1.x86_64 | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Linux Enterprise Micro 5.1:shim-15.7-150300.4.16.1.aarch64 | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Linux Enterprise Micro 5.1:shim-15.7-150300.4.16.1.x86_64 | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Linux Enterprise Micro 5.2:shim-15.7-150300.4.16.1.aarch64 | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Linux Enterprise Micro 5.2:shim-15.7-150300.4.16.1.x86_64 | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Linux Enterprise Micro 5.3:shim-15.7-150300.4.16.1.aarch64 | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Linux Enterprise Micro 5.3:shim-15.7-150300.4.16.1.x86_64 | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Linux Enterprise Micro 5.4:shim-15.7-150300.4.16.1.aarch64 | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Linux Enterprise Micro 5.4:shim-15.7-150300.4.16.1.x86_64 | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Linux Enterprise Module for Basesystem 15 SP4:shim-15.7-150300.4.16.1.aarch64 | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Linux Enterprise Module for Basesystem 15 SP4:shim-15.7-150300.4.16.1.x86_64 | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Linux Enterprise Real Time 15 SP3:shim-15.7-150300.4.16.1.x86_64 | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Linux Enterprise Server 15 SP3-LTSS:shim-15.7-150300.4.16.1.aarch64 | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Linux Enterprise Server 15 SP3-LTSS:shim-15.7-150300.4.16.1.x86_64 | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Linux Enterprise Server for SAP Applications 15 SP3:shim-15.7-150300.4.16.1.x86_64 | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Manager Proxy 4.2:shim-15.7-150300.4.16.1.x86_64 | — |
Vendor Fix
|
|
| Unresolved product id: SUSE Manager Server 4.2:shim-15.7-150300.4.16.1.x86_64 | — |
Vendor Fix
|
|
| Unresolved product id: openSUSE Leap 15.4:shim-15.7-150300.4.16.1.aarch64 | — |
Vendor Fix
|
|
| Unresolved product id: openSUSE Leap 15.4:shim-15.7-150300.4.16.1.x86_64 | — |
Vendor Fix
|
|
| Unresolved product id: openSUSE Leap Micro 5.3:shim-15.7-150300.4.16.1.aarch64 | — |
Vendor Fix
|
|
| Unresolved product id: openSUSE Leap Micro 5.3:shim-15.7-150300.4.16.1.x86_64 | — |
Vendor Fix
|
Threats
Impact
important
References
11 references
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"text": "This update for shim fixes the following issues:\n\n- CVE-2022-28737 was missing as reference previously.\n\n- Upgrade shim-install for bsc#1210382\n\n After closing Leap-gap project since Leap 15.3, openSUSE Leap direct\n uses shim from SLE. So the ca_string is \u0027SUSE Linux Enterprise Secure Boot\n CA1\u0027, not \u0027openSUSE Secure Boot CA1\u0027. It causes that the update_boot=no,\n so all files in /boot/efi/EFI/boot are not updated.\n\n Logic was added that is using ID field in os-release for\n checking Leap distro and set ca_string to \u0027SUSE Linux Enterprise Secure\n Boot CA1\u0027. Then /boot/efi/EFI/boot/* can also be updated.\n",
"title": "Description of the patch"
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"title": "Patchnames"
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"title": "Terms of use"
}
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"publisher": {
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"url": "https://www.suse.com/support/security/rating/"
},
{
"category": "self",
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"url": "https://ftp.suse.com/pub/projects/security/csaf/suse-su-2023_2084-1.json"
},
{
"category": "self",
"summary": "URL for SUSE-SU-2023:2084-1",
"url": "https://www.suse.com/support/update/announcement/2023/suse-su-20232084-1/"
},
{
"category": "self",
"summary": "E-Mail link for SUSE-SU-2023:2084-1",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2023-May/014772.html"
},
{
"category": "self",
"summary": "SUSE Bug 1210382",
"url": "https://bugzilla.suse.com/1210382"
},
{
"category": "self",
"summary": "SUSE CVE CVE-2022-28737 page",
"url": "https://www.suse.com/security/cve/CVE-2022-28737/"
}
],
"title": "Security update for shim",
"tracking": {
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"date": "2023-05-02T11:32:01Z",
"number": "1",
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"status": "final",
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},
"product_tree": {
"branches": [
{
"branches": [
{
"branches": [
{
"category": "product_version",
"name": "shim-15.7-150300.4.16.1.aarch64",
"product": {
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"category": "architecture",
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{
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},
{
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{
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"product_identification_helper": {
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}
},
{
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},
{
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},
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{
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"text": "There\u0027s a possible overflow in handle_image() when shim tries to load and execute crafted EFI executables; The handle_image() function takes into account the SizeOfRawData field from each section to be loaded. An attacker can leverage this to perform out-of-bound writes into memory. Arbitrary code execution is not discarded in such scenario.",
"title": "CVE description"
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}
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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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