Lucene search

K
osvGoogleOSV:GHSA-V6J3-7JRW-HQ2P
HistoryMay 17, 2022 - 4:59 a.m.

Rack Gem Subject to Denial of Service via Hash Collisions

2022-05-1704:59:13
Google
osv.dev
12
rack gem
denial of service
hash collisions
remote attackers
cpu consumption
crafted parameters
software

EPSS

0.008

Percentile

81.8%

Rack before 1.1.3, 1.2.x before 1.2.5, and 1.3.x before 1.3.6 computes hash values for form parameters without restricting the ability to trigger hash collisions predictably, which allows remote attackers to cause a denial of service (CPU consumption) by sending many crafted parameters.