CVE-2017-7768

Summary

The Mozilla Maintenance Service can be invoked by an unprivileged user to read 32 bytes of any arbitrary file on the local system by convincing the service that it is reading a status file provided by the Mozilla Windows Updater. The Mozilla Maintenance Service executes with privileged access, bypassing system protections against unprivileged users. Note: This attack requires local system access and only affects Windows. Other operating systems are not affected. This vulnerability affects Firefox ESR < 52.2 and Firefox < 54.

Affected Software

VendorProductVersion RangeStatus
MozillaFirefox ESRunspecified < 52.2affected
MozillaFirefoxunspecified < 54affected

Weaknesses

  • 32 byte arbitrary file read through Mozilla Maintenance Service

ADP Enrichment

CVE Program Container

Additional References

References