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Test ID:1.3.6.1.4.1.25623.1.0.801109
Category:Windows
Title:Microsoft IE CA SSL Certificate Security Bypass Vulnerability (Oct 2009)
Summary:Internet Explorer is prone to a security bypass vulnerability.;; This VT has been replaced by VT 'Microsoft Windows CryptoAPI X.509 Spoofing Vulnerabilities (974571)' (OID: 1.3.6.1.4.1.25623.1.0.900876).
Description:Summary:
Internet Explorer is prone to a security bypass vulnerability.

This VT has been replaced by VT 'Microsoft Windows CryptoAPI X.509 Spoofing Vulnerabilities (974571)' (OID: 1.3.6.1.4.1.25623.1.0.900876).

Vulnerability Insight:
Microsoft Internet Explorer fails to properly validate '\0' character in the
domain name in a signed CA certificate, allowing attackers to substitute
malicious SSL certificates for trusted ones.

Vulnerability Impact:
Successful exploitation will allow attackers to perform man-in-the-middle
attacks or impersonate trusted servers, which will aid in further attack.

Affected Software/OS:
Microsoft IE version 6.x/7.x/8.x.

Solution:
The vendor has released updates. Please see the references for more information.

CVSS Score:
6.8

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

Cross-Ref: BugTraq ID: 36475
Common Vulnerability Exposure (CVE) ID: CVE-2009-2510
http://www.securityfocus.com/bid/36475
Cert/CC Advisory: TA09-286A
http://www.us-cert.gov/cas/techalerts/TA09-286A.html
http://www.networkworld.com/news/2009/073009-more-holes-found-in-webs.html
http://www.networkworld.com/news/2009/091709-microsoft-ie-security-hole.html
http://www.wired.com/threatlevel/2009/07/kaminsky/
Microsoft Security Bulletin: MS09-056
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2009/ms09-056
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5842
CopyrightCopyright (C) 2009 Greenbone Networks GmbH

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