CVE-2018-5118

Summary

The screenshot images displayed in the Activity Stream page displayed when a new tab is opened is created from the meta tags of websites. An issue was discovered where the page could attempt to create these images through "file:" URLs from the local file system. This loading is blocked by the sandbox but could expose local data if combined with another attack that escapes sandbox protections. This vulnerability affects Firefox < 58.

Affected Software

VendorProductVersion RangeStatus
MozillaFirefoxunspecified < 58affected

Weaknesses

  • Activity Stream images can attempt to load local content through file:

ADP Enrichment

CVE Program Container

Additional References

References