#VU37927 Out-of-bounds read in Google Android - CVE-2017-11093

Vulnerability identifier: #VU37927

Vulnerability risk: Medium

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2017-11093

CWE-ID: CWE-125

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Google Android
Operating systems & Components / Operating system

Vendor: Google

Description

The vulnerability allows a remote non-authenticated attacker to gain access to sensitive information.

In android for MSM, Firefox OS for MSM, QRD Android, with all Android releases from CAF using the Linux kernel, buffer Over-read in Display due to the lack of an upper-bound validation when reading "num_of_cea_blocks" from the untrusted source (EDID), kernel memory can be exposed.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Google Android: All versions

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External links
https://source.android.com/security/bulletin/pixel/2017-11-01

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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.