PT-2019-10197 · Uc Berkeley · Rise Opaque

Eadom · Published 2019-01-24 · Updated 2019-02-13 · CVE-2018-20742

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

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

Name of the Vulnerable Software and Affected Versions: UC Berkeley RISE Opaque versions prior to 2018-12-01

Description: An issue was discovered where there is no boundary check on ocall malloc, which could cause an arbitrary enclave memory write due to the return value being a pointer to enclave memory.

Recommendations: For versions prior to 2018-12-01, update to a version released after 2018-12-01 to resolve the issue.

Exploit

Fix

Memory Corruption

Weakness Enumeration

CWE-787

Related Identifiers

CVE-2018-20742

Affected Products

Rise Opaque

References · 4

• 🔥 https://github.com/ucbrise/opaque/issues/66 · Exploit
• https://github.com/ucbrise/opaque/commit/5ddda15d89f5ac82f4416208c5319ace4aecdc36 · Patch
• https://osv.dev/vulnerability/CVE-2018-20742 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2018-20742 · Security Note