Integer overflow in Altran Picotcp
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. This affects installations with Ethernet support in which a packet size greater than 65495 may occur.
Vulnerability class: Integer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.009 (57.3th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 57th percentile — 57.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.009 · newest: 0.009 · change: 0.000
Affected products
Weakness classification (CWE)
References
- github.com/tass-belgium/picotcp/releases (Release Notes)
- georgyg.com/home/picotcp-denial-of-service-cve-2023-30463/ (Exploit, Third Party Advisory)
Frequently asked questions
- What is CVE-2023-30463?
- CVE-2023-30463 is a high-severity vulnerability in Altran Picotcp, classified under Integer Overflow or Wraparound. CVSS score: 7.5/10. Published 2023-04-19.
- How severe is CVE-2023-30463?
- High severity. CVSS v3 base score is 7.5 out of 10.