69148 : Red Hat Certificate System SCEP Enrollment PIN Reuse
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Views This Week	Views All Time	Added to OSVDB	Last Modified	Modified (since 2008)	Percent Complete
6	1044	over 2 years ago	over 2 years ago	5 times	100%

Timeline

Disclosure Date
2010-11-02

Description

Red Hat Certificate System contains a flaw related to the certificate authority's failure to prevent one-time PINs from being used more than once. The issue is triggered when a remote, authenticated attacker replays a single SCEP one-time PIN. This may allow an attacker to generate an arbitrary number of certificates.

Classification

Location: Remote / Network Access
Attack Type: Cryptographic
Impact: Loss of Integrity
Solution: Patch / RCS
Exploit: Exploit Unknown
Disclosure: Vendor Verified
OSVDB: Authentication Required

Solution

Currently, there are no known workarounds or upgrades to correct this issue. However, Red Hat has released a patch to address this vulnerability.

Products

Red Hat, Inc.	Red Hat Certificate System	7.3
		8

References

Security Tracker: 1024697
CVE ID: 2010-3869 (see also: NVD)
Secunia Advisory ID: 42181
Related OSVDB ID: 69149
Vendor Specific News/Changelog Entry: https://bugzilla.redhat.com/show_bug.cgi?id=648883
https://fedorahosted.org/pki/changeset/1246
RedHat RHSA: RHSA-2010:0837 RHSA-2010:0838

Credit

Tomas Hoger

CVSSv2 Score

CVSSv2 Base Score = 4.0
Source: nvd.nist.gov | Generated: 2010-11-18 | Disagree?

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