CVE-2018-20742
UnknownEPSS 1.39%
Last modified
CVE-2018-20742 is a vulnerability of currently unknown severity. An issue was discovered in UC Berkeley RISE Opaque before 2018-12-01. There is no boundary check on ocall_malloc. EPSS estimates a 1.39% chance of exploitation in the next 30 days.
Description
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.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Ucbrise | Opaque | < 2018-12-01 |
References
- https://github.com/ucbrise/opaque/commit/5ddda15d89f5ac82f4416208c5319ace4aecdc36Patch, Third Party Advisory
- https://github.com/ucbrise/opaque/issues/66Exploit, Patch, Third Party Advisory
- https://github.com/ucbrise/opaque/commit/5ddda15d89f5ac82f4416208c5319ace4aecdc36Patch, Third Party Advisory
- https://github.com/ucbrise/opaque/issues/66Exploit, Patch, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2018-20742?
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.
How severe is CVE-2018-20742?
Severity scoring for CVE-2018-20742 is pending analysis. The EPSS model estimates a 1.39% probability of exploitation in the next 30 days.
How do I fix CVE-2018-20742?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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Are you affected by CVE-2018-20742?
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