PT-2016-2568 · Microsoft · Internet Explorer

Yorick Koster · Published 2016-08-09 · Updated 2018-10-12 · CVE-2016-3321

Positive Technologies (AI Summary)

CVSS v3.1

2.5

Low

Base vector

AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N

Name of the Vulnerable Software and Affected Versions Microsoft Internet Explorer versions 10 through 11

Description The issue allows local users to enumerate files via vectors involving a file:// URL and an HTML5 sandbox iframe. This is due to Internet Explorer loading different files for attempts to open a file:// URL depending on whether the file exists. The vulnerability could allow an attacker to detect the existence of specific files on the user's system by improperly handling page content.

Recommendations For Microsoft Internet Explorer versions 10 and 11, at the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Information Disclosure

Weakness Enumeration

CWE-200

Related Identifiers

BDU:2016-01960

CVE-2016-3321

Affected Products

Internet Explorer

References · 14

• 🔥 https://github.com/rapid7/metasploit-framework/blob/master/modules/auxiliary/gather/ie_sandbox_findfiles.rb · Exploit
• https://docs.microsoft.com/en-us/security-updates/securitybulletins/2016/ms16-095 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2016-3321 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2016-3321 · Security Note
• https://bdu.fstec.ru/vul/2016-01960 · Security Note
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-3321 · Security Note
• http://securitytracker.com/id/1036562 · Note
• http://securityfocus.com/archive/1/539174/100/0/threaded · Note
• https://securify.nl/advisory/SFY20160301/internet_explorer_iframe_sandbox_local_file_name_disclosure_vulnerability.html · Note
• http://technet.microsoft.com/library/security/ms16-095 · Note
• http://securityfocus.com/archive/1/archive/1/539174/100/0/threaded · Note
• http://securityfocus.com/bid/92291 · Note
• http://seclists.org/fulldisclosure/2016/Aug/44 · Note
• https://technet.microsoft.com/library/security/MS16-095 · Note