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Secunia Security Advisory 47386

Secunia Security Advisory 47386
Posted Feb 7, 2012
Authored by Secunia | Site secunia.com

Secunia Security Advisory - Tielei Wang has discovered two vulnerabilities in Hancom Office 2010 SE, which can be exploited by malicious people to compromise a user's system.

tags | advisory, vulnerability
SHA-256 | 38eca4d257c925cad1d7e0e5f862e11422bf06ae9982ce039aec7ba14793c417

Secunia Security Advisory 47386

Change Mirror Download
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SC Magazine awards the Secunia CSI a 5-Star rating
Top-level rating for ease of use, performance, documentation, support, and value for money. Read more and get a free trial here: http://secunia.com/blog/296

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TITLE:
Hancom Office Hanword Image Processing Integer Overflow
Vulnerabilities

SECUNIA ADVISORY ID:
SA47386

VERIFY ADVISORY:
Secunia.com
http://secunia.com/advisories/47386/
Customer Area (Credentials Required)
https://ca.secunia.com/?page=viewadvisory&vuln_id=47386

RELEASE DATE:
2012-02-07

DISCUSS ADVISORY:
http://secunia.com/advisories/47386/#comments

AVAILABLE ON SITE AND IN CUSTOMER AREA:
* Last Update
* Popularity
* Comments
* Criticality Level
* Impact
* Where
* Solution Status
* Operating System / Software
* CVE Reference(s)

http://secunia.com/advisories/47386/

ONLY AVAILABLE IN CUSTOMER AREA:
* Authentication Level
* Report Reliability
* Secunia PoC
* Secunia Analysis
* Systems Affected
* Approve Distribution
* Remediation Status
* Secunia CVSS Score
* CVSS

https://ca.secunia.com/?page=viewadvisory&vuln_id=47386

ONLY AVAILABLE WITH SECUNIA CSI AND SECUNIA PSI:
* AUTOMATED SCANNING

http://secunia.com/vulnerability_scanning/personal/
http://secunia.com/vulnerability_scanning/corporate/wsus_sccm_3rd_third_party_patching/

DESCRIPTION:
Tielei Wang has discovered two vulnerabilities in Hancom Office 2010
SE, which can be exploited by malicious people to compromise a user's
system.

1) An integer overflow error in the "ImportGR()" function within the
JPG image filter module (HncJpeg10.flt) when allocating memory can be
exploited to cause a heap-based buffer overflow via a specially
crafted JPG image within a document file using overly large image
dimension values.

2) An integer overflow error within the PNG image filter module
(HncPng10.flt) when allocating memory can be exploited to cause a
heap-based buffer overflow via a specially crafted PNG image within a
document file using overly large image dimension values.

Successful exploitation of the vulnerabilities may allow execution of
arbitrary code, but requires tricking a user into opening a malicious
file.

The vulnerabilities are confirmed in version 8.5.5. Other versions
may also be affected.

SOLUTION:
Do not open files from untrusted sources.

PROVIDED AND/OR DISCOVERED BY:
Tielei Wang via Secunia.

OTHER REFERENCES:
Further details available in Customer Area:
http://secunia.com/vulnerability_intelligence/

DEEP LINKS:
Further details available in Customer Area:
http://secunia.com/vulnerability_intelligence/

EXTENDED DESCRIPTION:
Further details available in Customer Area:
http://secunia.com/vulnerability_intelligence/

EXTENDED SOLUTION:
Further details available in Customer Area:
http://secunia.com/vulnerability_intelligence/

EXPLOIT:
Further details available in Customer Area:
http://secunia.com/vulnerability_intelligence/

----------------------------------------------------------------------

About:
This Advisory was delivered by Secunia as a free service to help
private users keeping their systems up to date against the latest
vulnerabilities.

Subscribe:
http://secunia.com/advisories/secunia_security_advisories/

Definitions: (Criticality, Where etc.)
http://secunia.com/advisories/about_secunia_advisories/


Please Note:
Secunia recommends that you verify all advisories you receive by
clicking the link.
Secunia NEVER sends attached files with advisories.
Secunia does not advise people to install third party patches, only
use those supplied by the vendor.

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