Published: 09/07/2014 Updated: 05/10/2017

CVSS v2 Base Score: 9.3 | Impact Score: 10 | Exploitability Score: 8.6

VMScore: 935

Vector: AV:N/AC:M/Au:N/C:C/I:C/A:C

Heap-based buffer overflow in the xjpegls.dll (aka JLS, JPEG-LS, or JPEG lossless) format plugin in XnView 1.99 and 1.99.1 allows remote malicious users to execute arbitrary code via a crafted JLS image file.

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xnview xnview 1.99
xnview xnview 1.99.1

SUMMARY XnView Formats PlugIn is prone to an overflow condition The JLS Plugin (xjpeglsdll) library fails to properly sanitize user-supplied input resulting in a heap-based buffer overflow With a specially crafted JLS compressed image file, a context-dependent attacker could potentially execute arbitrary code POC file posted at: wwwre ...

CWE-119 http://osvdb.org/show/osvdb/85893 http://seclists.org/fulldisclosure/2012/Oct/36 http://secunia.com/advisories/50825 http://www.reactionpenetrationtesting.co.uk/xnview-jls-heap.html http://www.securityfocus.com/bid/55787 https://exchange.xforce.ibmcloud.com/vulnerabilities/79030 https://www.exploit-db.com/exploits/21741/https://nvd.nist.gov https://www.exploit-db.com/exploits/21741/

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CVE-2012-4988

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