Bug 2235010 (CVE-2020-21469)

Summary:	CVE-2020-21469 postgresql: Stack buffer overflow when continuously send SIGHUP
Product:	[Other] Security Response	Reporter:	Pedro Sampaio <psampaio>
Component:	vulnerability	Assignee:	Product Security <prodsec-ir-bot>
Status:	NEW ---	QA Contact:
Severity:	low	Docs Contact:
Priority:	low
Version:	unspecified	CC:	caswilli, fjansen, fjanus, hhorak, jburrell, jorton, kaycoth, luizcosta, nweather, pkubat, praiskup, stcannon, yguenane
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:	postgres 13-BETA1	Doc Type:	If docs needed, set a value
Doc Text:	A flaw was found in PostgreSQL 12.2. This issue may allow an attacker to cause a denial of service via repeatedly sending SIGHUP signals.	Story Points:	---
Clone Of:		Environment:
Last Closed:		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:	2235013, 2235014, 2235286, 2235287, 2235289, 2235290
Bug Blocks:	2235012

Description Pedro Sampaio 2023-08-25 21:32:36 UTC

An issue was discovered in PostgreSQL 12.2 allows attackers to cause a denial of service via repeatedly sending SIGHUP signals.

References:

https://www.postgresql.org/message-id/CAA8ZSMqAHDCgo07hqKoM5XJaoQy6Vv76O7966agez4ffyQktkA%40mail.gmail.com

Comment 2 TEJ RATHI 2023-08-28 09:49:03 UTC

Upstream Commit:
https://github.com/postgres/postgres/commit/9abb2bfc046070b22e3be28173a0736da31cab5a

Comment 4 TEJ RATHI 2023-08-28 10:08:11 UTC

Created mingw-postgresql tracking bugs for this issue:

Affects: fedora-all [bug 2235289]


Created postgresql:12/postgresql tracking bugs for this issue:

Affects: fedora-all [bug 2235290]