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MitreCVE-2018-20742

HistoryJan 24, 2019 - 5:29 a.m.

CVE-2018-20742

2019-01-2405:29:00

CWE-787

mitre

web.nvd.nist.gov

uc berkeley

rise opaque

2018-12-01

boundary check

ocall_malloc

enclave memory

cve-2018-20742

nvd

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

AV:N/AC:L/Au:N/C:N/I:P/A:N

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

NONE

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

EPSS

0.001

Percentile

51.3%

JSON

An issue was discovered in UC Berkeley RISE Opaque before 2018-12-01. There is no boundary check on ocall_malloc. The return value could be a pointer to enclave memory. It could cause an arbitrary enclave memory write.

Affected configurations

Nvd

Node

ucbriseopaqueRange<2018-12-01

VendorProductVersionCPE
ucbriseopaque*cpe:2.3:a:ucbrise:opaque:*:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
ucbrise	opaque	*	cpe:2.3:a:ucbrise:opaque::::::::

References

github.com/ucbrise/opaque/commit/5ddda15d89f5ac82f4416208c5319ace4aecdc36

github.com/ucbrise/opaque/issues/66

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

AV:N/AC:L/Au:N/C:N/I:P/A:N

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

NONE

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

EPSS

0.001

Percentile

51.3%

JSON

Related for CVE-2018-20742