CVE-2013-3893

Known Exploited Public Exploit

Description

Use-after-free vulnerability in the SetMouseCapture implementation in mshtml.dll in Microsoft Internet Explorer 6 through 11 allows remote attackers to execute arbitrary code via crafted JavaScript strings, as demonstrated by use of an ms-help: URL that triggers loading of hxds.dll.

Categories

8.8
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 76.56% Top 5%
KEV Since 
Vendor Advisory microsoft.com Vendor Advisory microsoft.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://jvndb.jvn.jp/ja/contents/2013/JVNDB-2013-000093.html third party advisory
http://jvn.jp/en/jp/JVN27443259/index.html third party advisory
http://blogs.technet.com/b/srd/archive/2013/10/08/ms13-080-addresses-two-vulnerabilities-under-limited-targeted-attacks.aspx
http://www.securityfocus.com/bid/62453 vdb entry
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A18665 vdb entry signature
http://www.us-cert.gov/ncas/alerts/TA13-288A third party advisory us government resource
http://technet.microsoft.com/security/advisory/2887505 vendor advisory
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2013/ms13-080 vendor advisory
http://pastebin.com/raw.php?i=Hx1L5gu6 exploit
http://blogs.technet.com/b/srd/archive/2013/09/17/cve-2013-3893-fix-it-workaround-available.aspx exploit
http://packetstormsecurity.com/files/162585/Microsoft-Internet-Explorer-8-SetMouseCapture-Use-After-Free.html

Frequently Asked Questions

What is the severity of CVE-2013-3893?
CVE-2013-3893 has been scored as a high severity vulnerability.
How to fix CVE-2013-3893?
To fix CVE-2013-3893, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2013-3893 being actively exploited in the wild?
It is confirmed that CVE-2013-3893 is actively exploited. Be extra cautious if you are using vulnerable components. According to its EPSS score, there is a ~77% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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