Bug 1968032 (CVE-2021-32923)

Summary:	CVE-2021-32923 vault: Token leases incorrectly treated as non-expiring
Product:	[Other] Security Response	Reporter:	Pedro Sampaio <psampaio>
Component:	vulnerability	Assignee:	Nobody <nobody>
Status:	NEW ---	QA Contact:
Severity:	medium	Docs Contact:
Priority:	medium
Version:	unspecified	CC:	amctagga, etamir, gghezzo, gparvin, hchiramm, jburrell, jcantril, jramanat, jrivera, jweiser, madam, muagarwa, nbecker, periklis, rcernich, sostapov, stcannon, thee, tnielsen
Target Milestone:	---	Keywords:	Reopened, Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:	vault 1.5.9, vault 1.6.5, vault 1.7.2	Doc Type:	If docs needed, set a value
Doc Text:	A flaw was found in the HashiCorp Vault and Vault Enterprise. The vault could allow a remote attacker to bypass security restrictions caused by a renewal logic flaw when a token lease or dynamic secret lease was renewed inside the last second of its maximum TTL. By sending a specially crafted request, an attacker can bypass authentication validation and gain access to the system.	Story Points:	---
Clone Of:		Environment:
Last Closed:	2021-10-28 18:13:39 UTC	Type:	---
Regression:	---	Mount Type:	---
Documentation:	---	CRM:
Verified Versions:		Category:	---
oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Embargoed:
Bug Depends On:	1969939, 2170357, 2170358, 2170359
Bug Blocks:	1968033

Description Pedro Sampaio 2021-06-04 18:18:40 UTC

HashiCorp Vault and Vault Enterprise allowed the renewal of nearly-expired token leases and dynamic secret leases (specifically, those within 1 second of their maximum TTL), which caused them to be incorrectly treated as non-expiring during subsequent use. Fixed in 1.5.9, 1.6.5, and 1.7.2.

References:

https://www.hashicorp.com/blog/category/vault/
https://discuss.hashicorp.com/t/hcsec-2021-15-vault-renewed-nearly-expired-leases-with-incorrect-non-expiring-ttls/24603