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CVE-2020-24336

Description

An issue was discovered in Contiki through 3.0 and Contiki-NG through 4.5. The code for parsing Type A domain name answers in ip64-dns64.c doesn't verify whether the address in the answer's length is sane. Therefore, when copying an address of an arbitrary length, a buffer overflow can occur. This bug can be exploited whenever NAT64 is enabled.


Affected Software


CPE Name Name Version
contiki-ng:contiki-ng contiki-ng 4.5
contiki-os:contiki contiki-os contiki 3.0

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