Information disclosure in Microsoft Open Enclave SDK



Published: 2019-10-09
Risk Low
Patch available YES
Number of vulnerabilities 1
CVE ID CVE-2019-1369
CWE ID CWE-200
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 Advisory

This security advisory describes one low risk vulnerability.

1) Information disclosure

Risk: Low

CVSSv3: 4.8 [CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C] [PCI]

CVE-ID: CVE-2019-1369

CWE-ID: CWE-200 - Information Exposure

Exploit availability: No

Description

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

The vulnerability exists due to Open Enclave SDK improperly handles objects in memory. A local authenticated user can compromise the host application running the enclave and obtain information stored in the Enclave.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Open Enclave SDK: 0.1.0, 0.4.0, 0.4.1, 0.5.0, 0.6.0

CPE External links

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-1369
https://github.com/openenclave/openenclave/commit/a39476e5de854317a1a74ec3c08257a00c1625d5

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.