CVE-2021-43083

Integer Underflow (Wrap or Wraparound) in maven/org.apache.plc4x/plc4c

Identifiers

CVE-2021-43083

Package Slug

maven/org.apache.plc4x/plc4c

Vulnerability

Integer Underflow (Wrap or Wraparound)

Description

Apache PLC4X - PLC4C (Only the C language implementation was effected) was vulnerable to an unsigned integer underflow flaw inside the tcp transport. Users should update to, which addresses this issue. However, in order to exploit this vulnerability, a user would have to actively connect to a mallicious device which could send a response with invalid content. Currently we consider the probability of this being exploited as quite minimal, however this could change in the future, especially with the industrial networks growing more and more together.

Affected Versions

All versions before 0.9.1

Solution

Upgrade to version 0.9.1 or above.

Last Modified

2022-01-07

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