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osvGoogleOSV:PYSEC-2020-56
HistoryMay 07, 2020 - 12:15 a.m.

PYSEC-2020-56

2020-05-0700:15:00
Google
osv.dev
10

0.001 Low

EPSS

Percentile

38.1%

An issue was discovered in OpenStack Keystone before 15.0.1, and 16.0.0. The EC2 API doesn’t have a signature TTL check for AWS Signature V4. An attacker can sniff the Authorization header, and then use it to reissue an OpenStack token an unlimited number of times.