CVE-2014-0307 Use after free in n/a

Critical 9.3 Published Updated

Remote attackers can execute arbitrary code or cause denial of service via a use-after-free flaw in Internet Explorer 9 triggered by manipulating TextRange elements.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
A user has to click or open something
Fix
None listed

What is CVE-2014-0307?

CVE-2014-0307 is a critical use after free vulnerability in Microsoft Internet Explorer, published on 12 Mar 2014. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

Use-after-free vulnerability in Microsoft Internet Explorer 9 allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a certain sequence of manipulations of a TextRange element, aka "Internet Explorer Memory Corruption Vulnerability."

Weakness: CWE-416, CWE-119

Which versions are affected by CVE-2014-0307?

It affects 1 product.

Products include Microsoft Internet Explorer.

How do I fix CVE-2014-0307?

No fix has been published for CVE-2014-0307 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.

Is CVE-2014-0307 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2014-0307 exists.

Public exploit code: 1 Metasploit module and 1 Exploit-DB entry.

All Microsoft Internet Explorer vulnerabilities

Sources

Also known as GHSA-9p29-48xx-9pmw.

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