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    CVE-2023-38315

    An issue was discovered in OpenNDS Captive Portal before version 10.1.2. It has a try_to_authenticate NULL pointer dereference that can be triggered with a crafted GET HTTP with a missing client token query string parameter. Triggering this issue results in crashing OpenNDS (a Denial-of-Service condition). Affected OpenNDS Captive Portal before version 10.1.2 fixed in OpenWrt master, OpenWrt 23.05 and OpenWrt 22.03 on 28. August 2023 by updating OpenNDS to version 10.1.3.

    Published:Nov 17, 2023
    Last Modified:Nov 21, 2024
    EPS:Nov 17, 2023
    EPSS Score:0.00227
    CVSS Score:7.5

    Affected Products

    Vendor
    Opennds
    Product
    Captive Portal

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-476 NULL Pointer Dereference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

    CVE-2023-38313 (CVSS 7.5) — An issue was discovered in OpenNDS Captive Portal before 10.1.2. it has a do_binauth NULL pointer dereference …
    CVE-2023-38324 (CVSS 5.3) — An issue was discovered in OpenNDS before 10.1.2. It allows users to skip the splash page sequence (and direct…
    CVE-2023-38314 (CVSS 6.5) — An issue was discovered in OpenNDS Captive Portal before version 10.1.2. It has a NULL pointer dereference in …
    CVE-2023-38316 (CVSS 9.8) — An issue was discovered in OpenNDS Captive Portal before version 10.1.2. When the custom unescape callback is …
    CVE-2023-38320 (CVSS 7.5) — An issue was discovered in OpenNDS Captive Portal before version 10.1.2. It has a show_preauthpage NULL pointe…
    CVE-2023-38322 (CVSS 7.5) — An issue was discovered in OpenNDS Captive Portal before version 10.1.2. It has a do_binauth NULL pointer dere…

    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