Integer overflow

Multiple integer overflows in the Pre-EFI Initialization PEI boot phase in the Capsule Update feature in the UEFI implementation in EDK2 allow physically proximate attackers to bypass intended access restrictions by providing crafted data that is not properly handled during the coalescing phase...

CVE-2014-4860

Multiple integer overflows in the Pre-EFI Initialization PEI boot phase in the Capsule Update feature in the UEFI implementation in EDK2 allow physically proximate attackers to bypass intended access restrictions by providing crafted data that is not properly handled during the coalescing phase...

CVE-2014-4860

CVE-2014-4860 is an integer overflow vulnerability in the Pre-EFI Initialization (PEI) capsule update coalescing phase of the UEFI/EDK2 implementation. The issue arises when the capsule update is coalesced back to its original form, enabling a write-what-where condition and potential bypass of ac...