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prionPRIOn knowledge basePRION:CVE-2022-31742
HistoryDec 22, 2022 - 8:15 p.m.

Cross site scripting

2022-12-2220:15:00
PRIOn knowledge base
www.prio-n.com
6
timing attack
cross-origin
account linking
vulnerability
webauthn
firefox
thunderbird

6.9 Medium

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

46.7%

An attacker could have exploited a timing attack by sending a large number of allowCredential entries and detecting the difference between invalid key handles and cross-origin key handles. This could have led to cross-origin account linking in violation of WebAuthn goals. This vulnerability affects Thunderbird < 91.10, Firefox < 101, and Firefox ESR < 91.10.

CPENameOperatorVersion
firefoxlt101
firefox_esrlt91.10
thunderbirdlt91.10