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There's a possible overflow in handle_image() when shim tries to load and execute crafted EFI executables

🗓️ 11 Sep 2024 07:00:00Reported by MicrosoftType 
mscve
 mscve🔗 msrc.microsoft.com👁 2 Views

Possible overflow in handle_image when shim loads and executes crafted extensible firmware interface executables.

Related
Detection
ReporterTitlePublishedViews
Family
Tenable Nessus		Alibaba Cloud Linux 3 : 0134: grub2, mokutil, shim, and shim-unsigned-x64 (ALINUX3-SA-2022:0134)
14 May 202500:00
–nessus
Tenable Nessus		Alibaba Cloud Linux 3 : 0164: grub2, mokutil, shim, and shim-unsigned-x64 (ALINUX3-SA-2022:0164)
14 May 202500:00
–nessus
Tenable Nessus		AlmaLinux 9 : grub2, mokutil, shim, and shim-unsigned-x64 (ALSA-2022:5099)
16 Nov 202200:00
–nessus
Tenable Nessus		Azure Linux 3.0 Security Update: shim / shim-unsigned-aarch64 (CVE-2022-28737)
10 Feb 202500:00
–nessus
Tenable Nessus		CentOS 9 : shim-unsigned-x64-15.6-1.el9
29 Feb 202400:00
–nessus
Tenable Nessus		EulerOS 2.0 SP8 : shim (EulerOS-SA-2022-2235)
17 Aug 202200:00
–nessus
Tenable Nessus		EulerOS 2.0 SP5 : shim (EulerOS-SA-2022-2280)
17 Aug 202200:00
–nessus
Tenable Nessus		EulerOS 2.0 SP9 : shim (EulerOS-SA-2022-2304)
14 Sep 202200:00
–nessus
Tenable Nessus		EulerOS 2.0 SP9 : shim (EulerOS-SA-2022-2333)
14 Sep 202200:00
–nessus
Tenable Nessus		EulerOS Virtualization 2.9.1 : shim (EulerOS-SA-2022-2367)
23 Sep 202200:00
–nessus
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18 Feb 2026 10:00Current
6.9Medium risk
Vulners AI Score6.9
CVSS 3.16.5 - 7.8
EPSS0.00024
SSVC
overflowhandle imageshimextensible firmware interfacecrafted executables
2