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CVE-2018-16602: FreeRTOS TCP/IP #73

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senier opened this issue Jan 29, 2021 · 0 comments
Open

CVE-2018-16602: FreeRTOS TCP/IP #73

senier opened this issue Jan 29, 2021 · 0 comments
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DHCP Done Exposure of Sensitive Information OSS Out-of-bounds Read

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@senier
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senier commented Jan 29, 2021

Description

The prvProcessDHCPReplies function doesn’t validate that a packet is large enough to be a valid DHCP packet.

Root cause

An issue was discovered in Amazon Web Services (AWS) FreeRTOS through 1.3.1, FreeRTOS up to V10.0.1 (with FreeRTOS+TCP), and WITTENSTEIN WHIS Connect middleware TCP/IP component. Out of bounds memory access during parsing of DHCP responses in prvProcessDHCPReplies can be used for information disclosure.

Software

Name

FreeRTOS

Versions affected

1.3.1 - 10.0.1

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DHCP Done Exposure of Sensitive Information OSS Out-of-bounds Read
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@senier