Vulnerability Details : 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.
Vulnerability category: Overflow
Exploit prediction scoring system (EPSS) score for CVE-2014-4860
Probability of exploitation activity in the next 30 days: 0.07%
Percentile, the proportion of vulnerabilities that are scored at or less: ~ 27 % EPSS Score History EPSS FAQ
CVSS scores for CVE-2014-4860
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source |
---|---|---|---|---|---|
7.2
|
HIGH | AV:L/AC:L/Au:N/C:C/I:C/A:C |
3.9
|
10.0
|
NIST |
6.8
|
MEDIUM | CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
0.9
|
5.9
|
NIST |
CWE ids for CVE-2014-4860
-
The product performs a calculation that can produce an integer overflow or wraparound, when the logic assumes that the resulting value will always be larger than the original value. This can introduce other weaknesses when the calculation is used for resource management or execution control.Assigned by: nvd@nist.gov (Primary)
References for CVE-2014-4860
-
http://www.kb.cert.org/vuls/id/552286
VU#552286 - UEFI EDK2 Capsule Update vulnerabilitiesThird Party Advisory;US Government Resource
Products affected by CVE-2014-4860
- cpe:2.3:a:tianocore:edk2:-:*:*:*:*:*:*:*