Bug 205181

Summary:	CVE-2006-4339 RSA signature forgery
Product:	[Retired] Stronghold Cross Platform	Reporter:	Mark J. Cox <mjc>
Component:	openssl	Assignee:	Mark J. Cox <mjc>
Status:	CLOSED WONTFIX	QA Contact:	Stronghold Engineering List <stronghold-eng-list>
Severity:	medium	Docs Contact:
Priority:	medium
Version:	4.0	Keywords:	Security
Target Milestone:	---
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:	reported=20060905,source=openssl,public=20060905,impact=important
Fixed In Version:		Doc Type:	Bug Fix
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2006-09-05 14:01:12 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:

Description Mark J. Cox 2006-09-05 09:47:20 UTC

+++ This bug was initially created as a clone of Bug #205180 +++

Daniel Bleichenbacher recently described an attack on PKCS #1 v1.5
signatures. Where an RSA key with exponent 3 is used it may be possible
for an attacker to forge a PKCS #1 v1.5 signature that would be incorrectly
verified by implementations that do not check for excess data in the RSA
exponentiation result of the signature.

The Google Security Team discovered that OpenSSL is vulnerable to this
attack. This issue affects applications that use OpenSSL to verify X.509
certificates as well as other uses of PKCS #1 v1.5. (CVE-2006-4339) 

http://www.openssl.org/news/secadv_20060905.txt

Comment 1 Mark J. Cox 2006-09-05 14:01:12 UTC

Errata support for SH4 cross-platform ented.