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CVE
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CVE-2009-0050Date: (C)2009-01-07   (M)2018-02-19


Lasso 2.2.1 and earlier does not properly check the return value from the OpenSSL DSA_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.

CVSS Score and Metrics +CVSS Score and Metrics -

CVSS V2 Severity:
CVSS Score : 4.3
Exploit Score: 8.6
Impact Score: 2.9
 
CVSS V2 Metrics:
Access Vector: NETWORK
Access Complexity: MEDIUM
Authentication: NONE
Confidentiality: NONE
Integrity: PARTIAL
Availability: NONE
  
Reference:
http://www.securityfocus.com/archive/1/archive/1/499827/100/0/threaded
http://www.ocert.org/advisories/ocert-2008-016.html
openssl-dsa-verify-security-bypass(47837)

CPE    3
cpe:/a:entrouvert:lasso:2.2.1-0
cpe:/a:entrouvert:lasso:1.9.9.0
cpe:/a:entrouvert:lasso:2.0.0-1
CWE    1
CWE-20
OVAL    2
oval:org.mitre.oval:def:7399
oval:org.secpod.oval:def:600291

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