Allele Security Alert
ASA-2019-00439
Identifier(s)
ASA-2019-00439, CVE-2019-11718, MFSA2019-21
Title
Activity Stream writes unsanitized content to innerHTML
Vendor(s)
Mozilla
Product(s)
Mozilla Firefox
Affected version(s)
Mozilla Firefox version before 68
Fixed version(s)
Mozilla Firefox version 68
Proof of concept
Unknown
Description
Activity Stream can display content sent from the Snippet Service website. This content is written to innerHTML on the Activity Stream page without sanitization, allowing for a potential access to other information available to the Activity Stream, such as browsing history, if the Snipper Service were compromised.
Technical details
Unknown
Credits
Mark Banner
Reference(s)
Mozilla Foundation Security Advisory 2019-21
https://www.mozilla.org/en-US/security/advisories/mfsa2019-21/#CVE-2019-11718
Bug 1408349
https://bugzilla.mozilla.org/show_bug.cgi?id=1408349
CVE-2019-11718
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-11718
CVE-2019-11718
https://nvd.nist.gov/vuln/detail/CVE-2019-11718
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Last modified: July 17, 2019