CVE-2004-2721

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Summary

CVECVE-2004-2721
StatePUBLISHED
Assignermitre
Source PriorityCVE Program / NVD first with legacy fallback
Published2004-12-31 05:00:00 UTC
Updated2025-04-03 01:03:51 UTC
DescriptionThe CheckGroup function in openSkat VTMF before 2.1 generates public key pairs in which the "p" variable might not be prime, which allows remote attackers to determine the private key and decrypt messages.

Risk And Classification

Primary CVSS: v2.0 4.3 from [email protected]

AV:N/AC:M/Au:N/C:P/I:N/A:N

Problem Types: CWE-310 | n/a

CVSS v2.0 Breakdown

Access Vector
Network
Access Complexity
Medium
Authentication
None
Confidentiality
Partial
Integrity
None
Availability
None

AV:N/AC:M/Au:N/C:P/I:N/A:N

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Heiko Stamer Openskat All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Na N/a affected n/a Not specified

References

ReferenceSourceLinkTags
SecurityTracker.com Archives - OpenSkat VTMF CheckGroup() Randomization Error May Let Remote Users Determine Private Keys af854a3a-2127-422b-91ae-364da2661108 securitytracker.com
OpenSkat Weak Encryption Key Generation Vulnerability af854a3a-2127-422b-91ae-364da2661108 www.securityfocus.com Patch
IBM X-Force Exchange af854a3a-2127-422b-91ae-364da2661108 exchange.xforce.ibmcloud.com
www.osvdb.org/11652 af854a3a-2127-422b-91ae-364da2661108 www.osvdb.org
SecureSkat – Freecode af854a3a-2127-422b-91ae-364da2661108 freshmeat.net Patch
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

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