Information disclosure in Open Enclave SDK



Published: 2019-11-13
Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2019-1370
CWE-ID CWE-125
Exploitation vector Local
Public exploit N/A
Vulnerable software
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Open Enclave SDK
Universal components / Libraries / Software for developers

Vendor Microsoft

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Out-of-bounds read

EUVDB-ID: #VU22709

Risk: Low

CVSSv3.1: 4.9 [CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2019-1370

CWE-ID: CWE-125 - Out-of-bounds read

Exploit availability: No

Description

The vulnerability allows a local user to gain access to potentially sensitive information.

The vulnerability exists due to a boundary condition within the Open Enclave SDK. A local user with access to the enclave application can trigger out-of-bounds read error and read contents of memory stored in the Enclave.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Open Enclave SDK: All versions

External links

http://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-1370


Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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