UC Berkeley RISE Opaque prior 2018-12-01 ocall_malloc Return Value out-of-bounds write

CVSS Meta Temp Score
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CTI Interest Score
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7.2$0-$5k0.00

Summaryinfo

A vulnerability classified as critical was found in UC Berkeley RISE Opaque. The impacted element is the function ocall_malloc. Such manipulation as part of Return Value leads to out-of-bounds write. This vulnerability is traded as CVE-2018-20742. The attack may be launched remotely. There is no exploit available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability, which was classified as critical, has been found in UC Berkeley RISE Opaque. Affected by this issue is the function ocall_malloc. The manipulation as part of a Return Value leads to a out-of-bounds write vulnerability. Using CWE to declare the problem leads to CWE-787. The product writes data past the end, or before the beginning, of the intended buffer. Impacted is confidentiality, integrity, and availability. CVE summarizes:

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.

The bug was discovered 12/01/2018. The weakness was shared 01/24/2019 (Website). The advisory is available at github.com. This vulnerability is handled as CVE-2018-20742 since 01/23/2019. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. Technical details are known, but there is no available exploit.

Upgrading to version 2018-12-01 eliminates this vulnerability. A possible mitigation has been published before and not just after the disclosure of the vulnerability.

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Productinfo

Vendor

Name

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.4
VulDB Meta Temp Score: 7.2

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Out-of-bounds write
CWE: CWE-787 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: RISE Opaque 2018-12-01
Patch: github.com

Timelineinfo

12/01/2018 🔍
12/01/2018 +0 days 🔍
01/23/2019 +53 days 🔍
01/24/2019 +1 days 🔍
01/24/2019 +0 days 🔍
01/24/2019 +0 days 🔍
07/03/2023 +1621 days 🔍

Sourcesinfo

Advisory: 5ddda15d89f5ac82f4416208c5319ace4aecdc36
Status: Not defined

CVE: CVE-2018-20742 (🔍)
GCVE (CVE): GCVE-0-2018-20742
GCVE (VulDB): GCVE-100-130214

Entryinfo

Created: 01/24/2019 15:23
Updated: 07/03/2023 11:04
Changes: 01/24/2019 15:23 (58), 05/05/2020 20:04 (1), 07/03/2023 11:04 (5)
Complete: 🔍
Cache ID: 216::103

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