Keyboard events reference strings like "KeyA" that were at fixed, known, and widely-spread addresses. Cache-based timing attacks such as Prime+Probe could have possibly figured out which keys were being pressed. This vulnerability affects Firefox ESR < 102.5, Thunderbird < 102.5, and Firefox < 107.
The product behaves differently or sends different responses under different circumstances in a way that is observable to an unauthorized actor, which exposes security-relevant information about the state of the product, such as whether a particular operation was successful or not.
Link | Tags |
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https://www.mozilla.org/security/advisories/mfsa2022-47/ | vendor advisory |
https://www.mozilla.org/security/advisories/mfsa2022-49/ | vendor advisory |
https://www.mozilla.org/security/advisories/mfsa2022-48/ | vendor advisory |
https://bugzilla.mozilla.org/show_bug.cgi?id=1793676 | issue tracking permissions required vendor advisory |