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    CVE-2019-16201

    WEBrick::HTTPAuth::DigestAuth in Ruby through 2.4.7, 2.5.x through 2.5.6, and 2.6.x through 2.6.4 has a regular expression Denial of Service cause by looping/backtracking. A victim must expose a WEBrick server that uses DigestAuth to the Internet or a untrusted network.

    Published:Oct 1, 2019
    Last Modified:Nov 21, 2024
    EPS:Nov 26, 2019
    EPSS Score:0.00474
    CVSS Score:7.5

    Affected Products

    Vendor
    Debian
    Product
    Debian Linux
    Vendor
    Redhat
    Product
    Enterprise Linux
    Vendor
    Redhat
    Product
    Rhel E4s
    Vendor
    Redhat
    Product
    Rhel Eus
    Vendor
    Redhat
    Product
    Rhel Software Collections
    Vendor
    Ruby-lang
    Product
    Ruby

    Exploits

    No exploit reference

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    References

    http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00041.html
    https://hackerone.com/reports/661722
    https://lists.debian.org/debian-lts-announce/2019/11/msg00025.html
    https://lists.debian.org/debian-lts-announce/2019/12/msg00009.html
    https://lists.debian.org/debian-lts-announce/2020/08/msg00027.html
    https://lists.debian.org/debian-lts-announce/2023/04/msg00033.html
    https://seclists.org/bugtraq/2019/Dec/31
    https://seclists.org/bugtraq/2019/Dec/32
    https://security.gentoo.org/glsa/202003-06
    https://www.debian.org/security/2019/dsa-4587
    https://www.oracle.com/security-alerts/cpujan2020.html
    http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00041.html
    https://hackerone.com/reports/661722
    https://lists.debian.org/debian-lts-announce/2019/11/msg00025.html
    https://lists.debian.org/debian-lts-announce/2019/12/msg00009.html
    https://lists.debian.org/debian-lts-announce/2020/08/msg00027.html
    https://lists.debian.org/debian-lts-announce/2023/04/msg00033.html
    https://seclists.org/bugtraq/2019/Dec/31
    https://seclists.org/bugtraq/2019/Dec/32
    https://security.gentoo.org/glsa/202003-06
    https://www.debian.org/security/2019/dsa-4587
    https://www.oracle.com/security-alerts/cpujan2020.html

    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