Microsoft Internet Explorer 8 CGenericElement Use-After-Free
CVE-2013-1347 is a use-after-free / improper object lifetime handling vulnerability in Microsoft Internet Explorer 8. The provided content identifies it as a CGenericElement object use-after-free flaw in which IE8 does not properly handle objects in memory, allowing an attacker to access an object that was either not properly allocated or had already been deleted. By triggering this memory corruption condition via malicious web content, a remote attacker can corrupt process memory and achieve arbitrary code execution. The vulnerability was exploited in the wild in May 2013, including watering-hole and exploit-kit-driven campaigns, and was associated with Microsoft bulletin MS13-038.
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Impact, mitigation & remediation
What it means. What to do now. Patch path, mitigations, and the assume-compromise checklist.
Impact
What an attacker gets, and what they’ve been doing with it.
Mitigation
If you can’t patch tonight, do this now.
Remediation
Patch, then assume compromise.
Exploits
No public exploits tracked yet. Mallory keeps watching.
No public exploit code observed for this vulnerability.
Affected products & vendors
Products and vendors Mallory has correlated with this vulnerability. Open in Mallory to drill down to specific CPE configurations and version ranges.
Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.
Recent activity
10 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A specific vulnerability used by multiple exploit kits according to the table.
A Microsoft Internet Explorer CGenericElement use-after-free vulnerability exploited by the LightsOut exploit kit against IE8 on Windows XP, with code closely matching a Metasploit module.
An Internet Explorer vulnerability used by the exploit kit against IE8 on Windows XP, 2000, or 2003 systems as part of the infection chain.
A memory handling vulnerability in Microsoft Internet Explorer 8 that was used in this watering-hole campaign to deliver malware.
The version that knows your environment.
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.