cve/2019/CVE-2019-11742.md

CVE-2019-11742

Description

A same-origin policy violation occurs allowing the theft of cross-origin images through a combination of SVG filters and a <canvas> element due to an error in how same-origin policy is applied to cached image content. The resulting same-origin policy violation could allow for data theft. This vulnerability affects Firefox < 69, Thunderbird < 68.1, Thunderbird < 60.9, Firefox ESR < 60.9, and Firefox ESR < 68.1.

POC

Reference

• https://bugzilla.mozilla.org/show_bug.cgi?id=1559715
• https://bugzilla.mozilla.org/show_bug.cgi?id=1559715
• https://www.mozilla.org/security/advisories/mfsa2019-29/
• https://www.mozilla.org/security/advisories/mfsa2019-29/

Github

No PoCs found on GitHub currently.