Bug 1882431 (CVE-2020-24696, CVE-2020-24697, CVE-2020-24698)

Summary:	CVE-2020-24696 CVE-2020-24697 CVE-2020-24698 pdns: various issues in GSS-TSIG support
Product:	[Other] Security Response	Reporter:	Guilherme de Almeida Suckevicz <gsuckevi>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED NOTABUG	QA Contact:
Severity:	medium	Docs Contact:
Priority:	medium
Version:	unspecified	CC:	ms, ruben, sander
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:		Doc Type:	If docs needed, set a value
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Clone Of:		Environment:
Last Closed:	2020-09-24 14:32:36 UTC	Type:	---
Regression:	---	Mount Type:	---
Documentation:	---	CRM:
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oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Embargoed:

Description Guilherme de Almeida Suckevicz 2020-09-24 14:21:09 UTC

CVE-2020-24696: A remote, unauthenticated attacker can trigger a race condition leading to a crash, or possibly arbitrary code execution, by sending crafted queries with a GSS-TSIG signature.

CVE-2020-24697: A remote, unauthenticated attacker can cause a denial of service by sending crafted queries with a GSS-TSIG signature.

CVE-2020-24698: A remote, unauthenticated attacker might be able to cause a double-free, leading to a crash or possibly arbitrary code execution by sending crafted queries with a GSS-TSIG signature.

Reference:
https://docs.powerdns.com/authoritative/security-advisories/powerdns-advisory-2020-06.html

Comment 1 Morten Stevens 2020-09-24 14:32:36 UTC

Fedora and Fedora-EPEL are not affected, because our packages are not compiled with GSS-TSIG support.