An issue was discovered in picoTCP 1.7.0. The code for creating an ICMPv6 echo replies doesn't check whether the ICMPv6 echo request packet's size is shorter than 8 bytes. If the size of the incoming ICMPv6 request packet is shorter than this, the operation that calculates the size of the ICMPv6 echo replies has an integer wrap around, leading to memory corruption and, eventually, Denial-of-Service in pico_icmp6_send_echoreply_not_frag in pico_icmp6.c.
References
Link | Resource |
---|---|
https://us-cert.cisa.gov/ics/advisories/icsa-20-343-01 | Third Party Advisory US Government Resource |
https://www.kb.cert.org/vuls/id/815128 | Third Party Advisory US Government Resource |
History
No history.
MITRE Information
Status: PUBLISHED
Assigner: mitre
Published: 2020-12-11T22:31:33
Updated: 2020-12-11T22:31:33
Reserved: 2020-08-07T00:00:00
Link: CVE-2020-17443
JSON object: View
NVD Information
Status : Analyzed
Published: 2020-12-11T23:15:13.387
Modified: 2021-07-21T11:39:23.747
Link: CVE-2020-17443
JSON object: View
Redhat Information
No data.