Microsoft Internet Explorer HTTPS proxy authentication information disclosure
| ie-https-proxy-information-disclosure (23451) |  Medium Risk |
Description:
Microsoft Internet Explorer versions 5.01, 5.5 and 6 running on Microsoft Windows XP, Windows 2000, Windows Server 2003, Windows 98, Windows 98 SE and Windows Me could allow a remote attacker to obtain sensitive information, caused by a vulnerability in the handling of authentication requests made to a proxy server for HTTPS communications. If a client system is configured to use Basic Authentication to a proxy server for HTTPS communications, a remote attacker could use man-in-the-middle techniques to recover authentication credentials that are transmitted between the client and proxy server when a user visits a Web site that uses HTTPS.
Platforms Affected:
- Microsoft, Internet Explorer 5.01 SP4
- Microsoft, Internet Explorer 5.5 SP2
- Microsoft, Internet Explorer 6
- Microsoft, Internet Explorer 6 SP1
- Microsoft, Windows 2000 SP4
- Microsoft, Windows 2003 Server x64
- Microsoft, Windows 2003 Server SP1 Itanium
- Microsoft, Windows 2003 Server SP1
- Microsoft, Windows 2003 Server Itanium
- Microsoft, Windows XP SP1
- Microsoft, Windows XP SP2
- Microsoft, Windows XP Professional x64
Remedy:
Apply the appropriate patch for your system, as listed in the latest Microsoft Security Bulletin. See References.
— OR —
Use Microsoft Automatic Update if it is supported by your operating system. The original bulletin issued by Microsoft has been superseded.
Consequences:
Obtain Information
References:
- Microsoft Security Bulletin MS05-054, Cumulative Security Update for Internet Explorer (905915) at http://www.microsoft.com/technet/security/Bulletin/MS05-054.mspx.
- Microsoft Security Bulletin MS06-004, Cumulative Security Update for Internet Explorer (910620) at http://www.microsoft.com/technet/security/Bulletin/MS06-004.mspx.
- Microsoft Security Bulletin MS06-013, Cumulative Security Update for Internet Explorer (912812) at http://www.microsoft.com/technet/security/Bulletin/MS06-013.mspx.
- Microsoft Security Bulletin MS06-021, Cumulative Security Update for Internet Explorer (916281) at http://www.microsoft.com/technet/security/Bulletin/MS06-021.mspx.
- Microsoft Security Bulletin MS06-042, Cumulative Security Update for Internet Explorer (918899) at http://www.microsoft.com/technet/security/bulletin/ms06-042.mspx.
- Microsoft Security Bulletin MS06-067, Cumulative Security Update for Internet Explorer (922760) at http://www.microsoft.com/technet/security/bulletin/ms06-067.mspx.
- Microsoft Security Bulletin MS06-072, Cumulative Security Update for Internet Explorer (925454) at http://www.microsoft.com/technet/security/Bulletin/MS06-072.mspx.
- Microsoft Security Bulletin MS07-016, Cumulative Security Update for Internet Explorer (928090) at http://www.microsoft.com/technet/security/Bulletin/ms07-016.mspx.
- Microsoft Security Bulletin MS07-027, Cumulative Security Update for Internet Explorer (931768) at http://www.microsoft.com/technet/security/bulletin/ms07-027.mspx.
- Microsoft Security Bulletin MS07-033, Cumulative Security Update for Internet Explorer (933566) at http://www.microsoft.com/technet/security/bulletin/ms07-033.mspx.
- Microsoft Security Bulletin MS07-045, Cumulative Security Update for Internet Explorer (937143) at http://www.microsoft.com/technet/security/bulletin/ms07-045.mspx.
- Microsoft Security Bulletin MS07-057, Cumulative Security Update for Internet Explorer (939653) at http://www.microsoft.com/technet/security/Bulletin/MS07-057.mspx.
- Microsoft Security Bulletin MS07-069, Cumulative Security Update for Internet Explorer (942615) at http://www.microsoft.com/technet/security/bulletin/ms07-069.mspx.
- Microsoft Security Bulletin MS08-010, Cumulative Security Update for Internet Explorer (944533) at http://www.microsoft.com/technet/security/bulletin/ms08-010.mspx.
- Microsoft Security Bulletin MS08-024, Cumulative Security Update for Internet Explorer (947864) at http://www.microsoft.com/technet/security/bulletin/ms08-024.mspx.
- Microsoft Security Bulletin MS08-031, Cumulative Security Update for Internet Explorer (950759) at http://www.microsoft.com/technet/security/Bulletin/MS08-031.mspx.
- Microsoft Security Bulletin MS08-045, Cumulative Security Update for Internet Explorer (953838) at http://www.microsoft.com/technet/security/bulletin/ms08-045.mspx.
- Microsoft Security Bulletin MS08-058, Cumulative Security Update for Internet Explorer (956390) at http://www.microsoft.com/technet/security/bulletin/ms08-058.mspx.
- BID-15825: Microsoft Internet Explorer HTTPS Proxy Information Disclosure Vulnerability
- CVE-2005-2830: Microsoft Internet Explorer 5.01, 5.5, and 6, when using an HTTPS proxy server that requires Basic Authentication, sends URLs in cleartext, which allows remote attackers to obtain sensitive information, aka HTTPS Proxy Vulnerability.
- SA15368: Microsoft Internet Explorer Multiple Vulnerabilities
- SA18064: Avaya Products Microsoft Windows Multiple Vulnerabilities
- SA18311: Nortel Centrex IP Client Manager Multiple Vulnerabilities
- SECTRACK ID: 1015350: Microsoft Internet Explorer Bug in Using HTTPS Proxies May Disclose Web URLs to Remote Users
- VUPEN/ADV-2005-2867: Microsoft Internet Explorer Command Execution Vulnerabilities (MS05-054)
- VUPEN/ADV-2005-2909: Avaya Various Products Microsoft Windows Multiple Vulnerabilities
Reported:
Dec 13, 2005
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