High severity · published Apr 19, 2023
CVE-2023-30463
Altran picoTCP through 1.7.0 allows memory corruption (and subsequent denial of service) because of an integer overflow in pico_ipv6_alloc when processing large ICMPv6 packets
7.5
CVSS
0.9%
EPSS
No
On KEV
Description
Altran picoTCP through 1.7.0 allows memory corruption (and subsequent denial of service) because of an integer overflow in pico_ipv6_alloc when processing large ICMPv6 packets. This affects installations with Ethernet support in which a packet size greater than 65495 may occur.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.9% · higher than 59% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
PI
Picotcp · Altran
through 1.7.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-30463
CVE.org
https://www.cve.org/CVERecord?id=CVE-2023-30463
Exploit
https://georgyg.com/home/picotcp-denial-of-service-cve-2023-30463/
Release Notes
https://github.com/tass-belgium/picotcp/releases
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