CVE-2023-40550

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Source
https://nvd.nist.gov/vuln/detail/CVE-2023-40550
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2023-40550.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2023-40550
Related
Published
2024-01-29T17:15:08Z
Modified
2025-01-08T09:39:20.792389Z
Severity
  • 5.5 (Medium) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N CVSS Calculator
Summary
[none]
Details

An out-of-bounds read flaw was found in Shim when it tried to validate the SBAT information. This issue may expose sensitive data during the system's boot phase.

References

Affected packages

Debian:11 / shim

Package

Name
shim
Purl
pkg:deb/debian/shim?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
15.8-1~deb11u1

Affected versions

15.*

15.4-7
15.6-1~deb10u1
15.6-1~deb11u1
15.6-1
15.7-1~deb10u1
15.7-1~deb11u1
15.7-1
15.8-1~deb10u1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Debian:12 / shim

Package

Name
shim
Purl
pkg:deb/debian/shim?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
15.8-1~deb12u1

Affected versions

15.*

15.7-1
15.8-1~deb10u1
15.8-1~deb11u1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Debian:13 / shim

Package

Name
shim
Purl
pkg:deb/debian/shim?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
15.8-1

Affected versions

15.*

15.7-1
15.8-1~deb10u1
15.8-1~deb11u1
15.8-1~deb12u1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Git / github.com/rhboot/shim

Affected ranges

Type
GIT
Repo
https://github.com/rhboot/shim
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
5914984a1ffeab841f482c791426d7ca9935a5e6

Affected versions

0.*

0.3
0.4
0.5
0.7
0.8
0.9

Other

11
12
13
14
15

15.*

15.2
15.3
15.4
15.5
15.5-rc2
15.6
15.6-rc2
15.7

shim-15.*

shim-15.3-rc1
shim-15.3-rc2
shim-15.3-rc3
shim-15.3-rc4