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CVE-2009-1603

7.5 · HIGH

src/tools/pkcs11-tool.c in pkcs11-tool in OpenSC 0.11.7, when used with unspecified third-party PKCS#11 modules, generates RSA keys with incorrect public exponents, which allows attackers to read t…

Published May 11, 2009opensc-projectCWE-312EPSS 1.09%

Overview

CVE-2009-1603 is a high-severity vulnerability affecting opensc-project opensc. It was published on May 11, 2009 and has a CVSS 3.1 base score of 7.5 (HIGH).

This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

src/tools/pkcs11-tool.c in pkcs11-tool in OpenSC 0.11.7, when used with unspecified third-party PKCS#11 modules, generates RSA keys with incorrect public exponents, which allows attackers to read the cleartext form of messages that were intended to be encrypted.

Remediation

Check the references section for vendor advisories and patches from opensc-project. Update opensc to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected products

VendorProductVersionsStatus

References

Refsecunia.com/advisories/35035Refsecunia.com/advisories/35293Refsecunia.com/advisories/35309Refsecunia.com/advisories/36074Refsecurity.gentoo.org/glsa/glsa-200908-01.xmlRefwww.mandriva.com/security/advisories?name=MDVSA-2009:123Refwww.opensc-project.org/pipermail/opensc-announce/2009-May/000025.htmlRefwww.openwall.com/lists/oss-security/2009/05/08/1Refwww.vupen.com/english/advisories/2009/1295Refwww.redhat.com/archives/fedora-package-announce/2009-June/msg00095.html

How CyberStrike helps

Frequently asked questions

What is CVE-2009-1603?

CVE-2009-1603 is a high-severity vulnerability affecting opensc-project opensc. It was published on May 11, 2009 and has a CVSS 3.1 base score of 7.5 (HIGH).

How severe is CVE-2009-1603?

This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2009-1603?

Check the references section for vendor advisories and patches from opensc-project. Update opensc to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2009-1603?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2009-1603 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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