An exploitable out-of-bounds write exists in the PCX parsing functionality of Canvas Draw version 4.0.0. A specially crafted PCX image processed via the application can lead to an out-of-bounds write, overwriting arbitrary data. An attacker can deliver a PCX image to trigger this vulnerability and gain code execution. A different vulnerability than CVE-2018-3871.
The product writes data past the end, or before the beginning, of the intended buffer.
Link | Tags |
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https://talosintelligence.com/vulnerability_reports/TALOS-2018-0552 | third party advisory exploit |