Memory corruption in Google Asylo

1) Buffer overflow

EUVDB-ID: #VU50799

Risk: Medium

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: N/A

CWE-ID: CWE-119 - Memory corruption

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service attack.

The vulnerability exists due to a boundary errors, related to platform/primitives/sgx/trusted_sgx.cc and platform/primitives/util/message.h. A remote attacker can send specially crafted data to the application, trigger memory corruption and perform a denial of service (DoS) attack.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

asylo: 0.6.0 - 0.6.1

External links

http://github.com/google/asylo/releases/tag/v0.6.2
http://github.com/google/asylo/commit/f19c59462d894c37de6a1a1510b757663a98b84c
http://github.com/google/asylo/commit/83e145f0384ca3fc63d1406476254f70ee1adbff
http://github.com/google/asylo/commit/c64d51430a42e0bdd16ecf34a5341bf9c9e3f2ef

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

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