Vulnerability CVE-2020-17445


Published: 2020-12-11   Modified: 2020-12-12

Description:
An issue was discovered in picoTCP 1.7.0. The code for processing the IPv6 destination options does not check for a valid length of the destination options header. This results in an Out-of-Bounds Read, and, depending on the memory protection mechanism, this may result in Denial-of-Service in pico_ipv6_process_destopt() in pico_ipv6.c.

Type:

CWE-125

(Out-of-bounds Read)

CVSS2 => (AV:N/AC:L/Au:N/C:N/I:N/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
5/10
2.9/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
None
None
Partial
Affected software
Altran -> Picotcp 

 References:
https://us-cert.cisa.gov/ics/advisories/icsa-20-343-01
https://www.kb.cert.org/vuls/id/815128

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