Bug 1547510 – CVE-2018-6459 strongswan: Insufficient Input Validation in RSASSA-PSS Signature Parser

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Bug 1547510 - (CVE-2018-6459) CVE-2018-6459 strongswan: Insufficient Input Validation in RSASSA-PSS Signature Parser

Summary:	CVE-2018-6459 strongswan: Insufficient Input Validation in RSASSA-PSS Signatu...

Status:	CLOSED CURRENTRELEASE

Aliases:	CVE-2018-6459

Product:	Security Response
Classification:	Other
Component:	vulnerability (Show other bugs)
Sub Component:
Version:	unspecified
Hardware:	All Linux

Priority	medium Severity medium
Target Milestone:	---
Target Release:	---
Assigned To:	Red Hat Product Security
QA Contact:
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URL:
Whiteboard:	impact=moderate,public=20180219,repor...
Keywords:	Security

Depends On:	1547537 1547538
Blocks:
	Show dependency tree / graph

Reported:	2018-02-21 08:12 EST by Andrej Nemec
Modified:	2018-05-24 00:05 EDT (History)
CC List:	4 users (show)

See Also:
Fixed In Version:	strongswan 5.6.2
Doc Type:	If docs needed, set a value
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Last Closed:	2018-05-24 00:05:00 EDT
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RHEL 7.3 requirements from Atomic Host:
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Description Andrej Nemec 2018-02-21 08:12:57 EST

The rsa_pss_params_parse function in libstrongswan/credentials/keys/signature_params.c in strongSwan 5.6.1 allows remote attackers to cause a denial of service via a crafted RSASSA-PSS signature that lacks a mask generation function parameter.

External References:

https://www.strongswan.org/blog/2018/02/19/strongswan-vulnerability-%28cve-2018-6459%29.html

Comment 1 Andrej Nemec 2018-02-21 09:05:39 EST

Created strongswan tracking bugs for this issue:

Affects: epel-all [bug 1547538]
Affects: fedora-all [bug 1547537]

Comment 2 Paul Wouters 2018-05-24 00:05:00 EDT

wasfixed in 5.6.2

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