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CVE-2020-17445

HIGHCVSS 7.5/10EPSS 2.94%

Last modified

CVE-2020-17445 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. 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. EPSS estimates a 2.94% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1
7.5/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS Probability
2.94%

85.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
AltranPicotcp<= 1.7.0

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2020-17445?
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.
How severe is CVE-2020-17445?
CVE-2020-17445 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 2.94% probability of exploitation in the next 30 days.
How do I fix CVE-2020-17445?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-17445?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST