suse-su-2023:2084-1
Vulnerability from csaf_suse
Published
2023-05-02 11:32
Modified
2023-05-02 11:32
Summary
Security update for shim
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).
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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.",
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"threats": [
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"title": "CVE-2022-28737"
}
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}
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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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