3615 : OpenCA crypto-utils.lib libCheckSignature Function Signature Validation Weakness
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Views This Week	Views All Time	Added to OSVDB	Last Modified	Modified (since 2008)	Percent Complete
9	658	over 8 years ago	over 3 years ago	1 times	65%

Timeline

Discovery Date	Disclosure Date
2004-01-16	2004-01-16

Description

OpenCA contains a flaw that may allow a malicious user to bypass signature verification of a certificate. The issue is triggered because the libCheckSignature function only performs a check on the base of the serial of the associated certificate. It is possible that the flaw may lead to the acceptance of an invalid or malicious certificate.

Classification

Unknown or Incomplete

Solution

Upgrade to version 0.9.1.7 or higher, as it has been reported to fix this vulnerability. An upgrade is required as there are no known workarounds.

Products

OpenCA Software Labs	OpenCA	0.9.0
		0.9.0.1
		0.9.0.2
		0.9.1.1
		0.9.1.2
		0.9.1.3
		0.9.1.4
		0.9.1.5
		0.9.1.6

References

Secunia Advisory ID: 10664
ISS X-Force ID: 14847
CVE ID: 2004-0004 (see also: NVD)
CERT VU: 336446
SCIP VulDB ID: 484
Bugtraq ID: 9435
Other Advisory URL: http://archives.neohapsis.com/archives/bugtraq/2004-01/0125.html
Vendor URL: http://www.openca.org/
Vendor Specific Advisory URL: http://www.openca.org/news/CAN-2004-0004.txt

Tools & Filters

	14715

Credit

Unknown or Incomplete

CVSSv2 Score

CVSSv2 Base Score = 7.5
Source: nvd.nist.gov | Generated: 2003-12-31 | Disagree?

Blogs

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