CVE-2013-3897 is a use-after-free vulnerability in the CDisplayPointer class of the MSHTML rendering engine affecting Microsoft Internet Explorer 6 through 11. Crafted JavaScript using the onpropertychange event handler can trigger memory corruption, allowing remote attackers to execute arbitrary code or cause a denial of service. The vulnerability was exploited in the wild in September and October 2013 and was subsequently incorporated into exploit kits, including Sedkit, which used it against Internet Explorer 8.
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What it means. What to do now. Patch path, mitigations, and the assume-compromise checklist.
What an attacker gets, and what they’ve been doing with it.
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Patch, then assume compromise.
1 valid exploit after Mallory filtered fakes, detection scripts, and README-only repos.
This repository contains a single Metasploit module implementing a browser-based exploit for CVE-2013-3897 (MS13-080), a use-after-free vulnerability in the CDisplayPointer object of Microsoft Internet Explorer 8 (and 7) on Windows XP SP3 and Windows 7. The exploit is delivered via a malicious HTTP server that serves crafted HTML and JavaScript to the victim's browser. The module leverages DOM manipulation and event handler abuse to trigger the vulnerability, allowing arbitrary code execution in the context of the browser process. The exploit supports customizable Metasploit payloads, enabling post-exploitation activities such as remote shells. The main fingerprintable endpoint is the HTTP path '/search?o=<osinfo>&d=<dllinfo>', which is used to deliver the exploit to the victim. The code is operational and weaponized for use within the Metasploit framework, and is not a detection script or fake exploit.
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Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.
4 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A use-after-free vulnerability in Internet Explorer's CDisplayPointer class in mshtml.dll. Crafted JavaScript using the onpropertychange event handler can enable remote arbitrary code execution or denial of service through memory corruption. The vulnerability was exploited in the wild in September and October 2013.
A specific vulnerability included in Grandsoft Private EK according to the table.
An Internet Explorer 8 vulnerability used as an exploit module in Sednit’s custom exploit kit (Sedkit).
An Internet Explorer 8 vulnerability exploited by Sedkit in targeted attacks.
Query your assets running an affected version, and investigate the blast radius.
Every observed campaign linking this CVE to a named adversary.
Malware families riding this exploit, with evidence and IOCs.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.