CVE-2009-0125 — MEDIUM (5.0)

Vulnerability Description

NOTE: this issue has been disputed by the upstream vendor. nasl/nasl_crypto2.c in the Nessus Attack Scripting Language library (aka libnasl) 2.2.11 does not properly check the return value from the OpenSSL DSA_do_verify function, which allows remote attackers to bypass validation of the certificate chain via a malformed SSL/TLS signature, a similar vulnerability to CVE-2008-5077. NOTE: the upstream vendor has disputed this issue, stating "while we do misuse this function (this is a bug), it has absolutely no security ramification.

CVSS Score

5.0

MEDIUM

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

Confidentiality

PARTIAL

Integrity

NONE

Availability

NONE

Affected Products

Vendor	Product	Versions
Finkproject	Libnasl	2.2.11

Related Weaknesses (CWE)

CWE-287

References

FAQ

What is CVE-2009-0125?

CVE-2009-0125 is a vulnerability with a CVSS score of 5.0 (MEDIUM). NOTE: this issue has been disputed by the upstream vendor. nasl/nasl_crypto2.c in the Nessus Attack Scripting Language library (aka libnasl) 2.2.11 does not properly check the return value from the Op...

How severe is CVE-2009-0125?

CVE-2009-0125 has been rated MEDIUM with a CVSS base score of 5.0/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2009-0125?

Check the references section above for vendor advisories and patch information. Affected products include: Finkproject Libnasl.