CVE-2017-18313 Privilege escalation in Snapdragon Mobile, Snapdragon Wear

Medium 5.3 Published Updated

Attackers can tamper with authenticated WCNSS firmware via DXE channels, enabling privilege escalation on affected Snapdragon devices.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Local or same network only
Victim action needed
Not needed
Fix
None listed

What is CVE-2017-18313?

CVE-2017-18313 is a medium-severity vulnerability in Qualcomm Msm8909w Firmware, published on 23 Oct 2018. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Under certain mode of operations, HLOS may be able get direct or indirect access through DXE channels to tamper with the authenticated WCNSS firmware stored in DDR because DXE-accessible memory is located within the authenticated image in Snapdragon Mobile and Snapdragon Wear in version MSM8909W, SD 210/SD 212/SD 205, SD 410/12, SD 615/16/SD 415, SD 617.

Which versions are affected by CVE-2017-18313?

It affects 10 products.

Products include Qualcomm Msm8909w Firmware, Qualcomm Sd 205 Firmware, Qualcomm Sd 210 Firmware, Qualcomm Sd 212 Firmware, Qualcomm Sd 410 Firmware, Qualcomm Sd 412 Firmware and 4 more.

How do I fix CVE-2017-18313?

No fix has been published for CVE-2017-18313 yet. Limit exposure of the affected software until one is available.

Is CVE-2017-18313 being exploited?

There is no known exploitation of CVE-2017-18313 in the wild and no public exploit code.

All Qualcomm Msm8909w Firmware vulnerabilities

Sources

Also known as GHSA-rhv8-c8mx-v4h4.

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