CVE-2017-12704

Description

A heap-based buffer overflow issue was discovered in Advantech WebAccess versions prior to V8.2_20170817. Researchers have identified multiple vulnerabilities where there is a lack of proper validation of the length of user-supplied data prior to copying it to the heap-based buffer, which could allow an attacker to execute arbitrary code under the context of the process.

Weakness classification

• CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer
• CWE-122: Heap-based Buffer Overflow

Primary references

• ics-cert@hq.dhs.gov — Third Party Advisory, VDB Entry
• ics-cert@hq.dhs.gov — Third Party Advisory, US Government Resource
• af854a3a-2127-422b-91ae-364da2661108 — Third Party Advisory, VDB Entry
• af854a3a-2127-422b-91ae-364da2661108 — Third Party Advisory, US Government Resource