CVE-2012-2557: Use After Free
First published: Fri Sep 21 2012(Updated: )
Use-after-free vulnerability in Microsoft Internet Explorer 6 through 8 allows remote attackers to execute arbitrary code via a crafted web site that triggers access to a deleted object, aka "cloneNode Use After Free Vulnerability."
Credit: secure@microsoft.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Internet Explorer | =6 | |
| Internet Explorer | =6-beta1 | |
| Internet Explorer | =6-sp1 | |
| Internet Explorer | =6-sp2 | |
| Internet Explorer | =6-sp3 | |
| Internet Explorer | =7 | |
| Internet Explorer | =7-beta1 | |
| Internet Explorer | =7-beta2 | |
| Internet Explorer | =7-beta3 | |
| Internet Explorer | =7-rc1 | |
| Internet Explorer | =8 | |
| Internet Explorer | =8-beta1 | |
| Internet Explorer | =8-beta2 | |
| Internet Explorer | =8-rc1 | |
| Internet Explorer | =9 |
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Reference Links
- http://www.securityfocus.com/bid/55647
- http://www.securitytracker.com/id?1027555
- http://www.us-cert.gov/cas/techalerts/TA12-255A.html
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2012/ms12-063
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A15745
Frequently Asked Questions
What is the severity of CVE-2012-2557?
CVE-2012-2557 is classified as a critical vulnerability due to its potential for remote code execution.
How do I fix CVE-2012-2557?
To fix CVE-2012-2557, users should apply the latest security updates provided by Microsoft for Internet Explorer.
What versions of Internet Explorer are affected by CVE-2012-2557?
CVE-2012-2557 affects Internet Explorer versions 6, 7, and 8.
What type of vulnerability is CVE-2012-2557?
CVE-2012-2557 is a use-after-free vulnerability that can allow an attacker to execute arbitrary code.
How can attackers exploit CVE-2012-2557?
Attackers can exploit CVE-2012-2557 by crafting malicious websites that trigger the vulnerability when visited.
- agent/softwarecombine
- agent/type
- collector/mitre-cve
- source/MITRE
- agent/weakness
- agent/last-modified-date
- agent/references
- agent/severity
- agent/author
- agent/description
- agent/event
- agent/first-publish-date
- agent/source
- agent/tags
- collector/nvd-index
- agent/software-canonical-lookup-request
- vendor/microsoft
- canonical/internet explorer
- version/internet explorer/6
- version/internet explorer/6-beta1
- version/internet explorer/6-sp1
- version/internet explorer/6-sp2
- version/internet explorer/6-sp3
- version/internet explorer/7
- version/internet explorer/7-beta1
- version/internet explorer/7-beta2
- version/internet explorer/7-beta3
- version/internet explorer/7-rc1
- version/internet explorer/8
- version/internet explorer/8-beta1
- version/internet explorer/8-beta2
- version/internet explorer/8-rc1
- version/internet explorer/9