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    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.

    Published:Apr 19, 2023
    Last Modified:Feb 5, 2025
    EPS:Apr 19, 2023
    EPSS Score:0.00069
    CVSS Score:7.5

    Affected Products

    Vendor
    Altran
    Product
    Picotcp

    Exploits

    https://georgyg.com/home/picotcp-denial-of-service-cve-2023-30463/https://georgyg.com/home/picotcp-denial-of-service-cve-2023-30463/

    Common Weakness Enumeration

    CWE-190 Integer Overflow or Wraparound

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-92 Forced Integer Overflow

    Related CVEs

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    CVE-2020-24340 (CVSS 7.5) — An issue was discovered in picoTCP and picoTCP-NG through 1.7.0. The code that processes DNS responses in pico…
    CVE-2020-24339 (CVSS 7.5) — An issue was discovered in picoTCP and picoTCP-NG through 1.7.0. The DNS domain name record decompression func…
    CVE-2020-24338 (CVSS 9.8) — An issue was discovered in picoTCP through 1.7.0. The DNS domain name record decompression functionality in pi…
    CVE-2020-24337 (CVSS 7.5) — An issue was discovered in picoTCP and picoTCP-NG through 1.7.0. When an unsupported TCP option with zero leng…
    CVE-2020-17445 (CVSS 7.5) — An issue was discovered in picoTCP 1.7.0. The code for processing the IPv6 destination options does not check …
    CVE-2020-17444 (CVSS 7.5) — An issue was discovered in picoTCP 1.7.0. The routine for processing the next header field (and deducing wheth…
    CVE-2020-17443 (CVSS 7.5) — An issue was discovered in picoTCP 1.7.0. The code for creating an ICMPv6 echo replies doesn't check whether t…
    CVE-2020-17442 (CVSS 7.5) — An issue was discovered in picoTCP 1.7.0. The code for parsing the hop-by-hop IPv6 extension headers does not …

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High