CVE-2022-28737
Description
There's 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.
No summary for this CVE yet.
CVSS Vector Breakdown
Exploitability
AV:LAttack VectorLocal
AC:LAttack ComplexityLow
PR:HPrivileges RequiredHigh
UI:RUser InteractionRequired
Scope
S:UScopeUnchanged
Impact
C:HConfidentialityHigh
I:HIntegrityHigh
A:HAvailabilityHigh
Weaknesses
Affected Products
Red Hat Bootloader Team
commercial·USaka redhat, Red Hat Inc., red hat
Сообщество свободного программного обеспечения
oss-projectaka fsf
ООО «Ред Софт»
commercial·RUaka red soft
АО «ИВК»
commercial·RUaka ivk
Matthew Garrett
individual-devaka shim
and 2 more affected products View all →
Exploitability
Official Patch Available
Attack Graph
Products CVE Techniques Tactics
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MITRE ATT&CK
2 techniques Initial Access
Privilege Escalation
References
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-28737
cve.mitre.org
https://www.openwall.com/lists/oss-security/2022/06/07/5
openwall.com
https://www.openwall.com/lists/oss-security/2022/06/07/5
openwall.com
and 20 more references View all →
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