CVE-2020-17441 Information disclosure in n/a
Attackers can trigger out-of-bounds reads in picoTCP via malformed IPv6 headers, leading to information disclosure or denial of service.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2020-17441?
CVE-2020-17441 is a critical vulnerability in n/a, published on 11 Dec 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
An issue was discovered in picoTCP 1.7.0. The code for processing the IPv6 headers does not validate whether the IPv6 payload length field is equal to the actual size of the payload, which leads to an Out-of-Bounds read during the ICMPv6 checksum calculation, resulting in either Denial-of-Service or Information Disclosure. This affects pico_ipv6_extension_headers and pico_checksum_adder (in pico_ipv6.c and pico_frame.c).
Weakness: CWE-125
Which versions are affected by CVE-2020-17441?
It affects 2 products.
Products include Altran Picotcp, Microchip Mplab Harmony.
How do I fix CVE-2020-17441?
No fix has been published for CVE-2020-17441 yet. Limit exposure of the affected software until one is available.
Is CVE-2020-17441 being exploited?
There is no known exploitation of CVE-2020-17441 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-q3g8-363q-g9qq.