CVE-2017-7767

Summary

The Mozilla Maintenance Service can be invoked by an unprivileged user to overwrite arbitrary files with junk data using the Mozilla Windows Updater, which runs with the Maintenance Service's privileged access. 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

  • Privilege escalation and arbitrary file overwrites through Mozilla Windows Updater and Mozilla Maintenance Service

ADP Enrichment

CVE Program Container

Additional References

References