October 1, 2019
Google Chrome OS is prone to a remote integer-overflow vulnerability. An attacker can exploit this issue to cause denial-of-service conditions. Due to the nature of this issue, arbitrary code execution may be possible but this has not been confirmed. Google Chrome OS versions prior to R74-11895.B, R75 prior R75-12105.B, and R76 prior R76-12208.0.0 are vulnerable.
- Google Chrome OS R72-11316.B
- Google Chrome OS R75
- Google Chrome OS R76
Permit local access for trusted individuals only. Where possible, use restricted environments and restricted shells.
Allow only trusted individuals to have user accounts and local access to the resources.
Block external access at the network boundary, unless external parties require service.
Filter access to the affected computer at the network boundary if global access isn't needed. Restricting access to only trusted computers and networks might greatly reduce the likelihood of a successful exploit.
Run all software as a nonprivileged user with minimal access rights.
To limit the potential damage that successful exploits may achieve, run all nonadministrative software as an unprivileged user.
Updates are available. Please see the references or vendor advisory for more information.
The vendor reported this issue.
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