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    CVE-2019-17266

    libsoup from versions 2.65.1 until 2.68.1 have a heap-based buffer over-read because soup_ntlm_parse_challenge() in soup-auth-ntlm.c does not properly check an NTLM message's length before proceeding with a memcpy.

    Published:Oct 6, 2019
    Last Modified:Nov 21, 2024
    EPS:Oct 6, 2019
    EPSS Score:0.00902
    CVSS Score:9.8

    Affected Products

    Vendor
    Canonical
    Product
    Ubuntu Linux
    Vendor
    Gnome
    Product
    Libsoup

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-125 Out-of-bounds Read

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-540 Overread Buffers

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    References

    https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=941912
    https://github.com/Kirin-say/Vulnerabilities/blob/master/CVE-2019-17266_POC.md
    https://gitlab.gnome.org/GNOME/libsoup/commit/88b7dff4467f4151afae244ea7d1223753cd05ab
    https://gitlab.gnome.org/GNOME/libsoup/commit/f8a54ac85eec2008c85393f331cdd251af8266ad
    https://gitlab.gnome.org/GNOME/libsoup/issues/173
    https://security-tracker.debian.org/tracker/CVE-2019-17266
    https://usn.ubuntu.com/4152-1/
    https://www.mail-archive.com/debian-bugs-dist%40lists.debian.org/msg1705054.html
    https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=941912
    https://github.com/Kirin-say/Vulnerabilities/blob/master/CVE-2019-17266_POC.md
    https://gitlab.gnome.org/GNOME/libsoup/commit/88b7dff4467f4151afae244ea7d1223753cd05ab
    https://gitlab.gnome.org/GNOME/libsoup/commit/f8a54ac85eec2008c85393f331cdd251af8266ad
    https://gitlab.gnome.org/GNOME/libsoup/issues/173
    https://security-tracker.debian.org/tracker/CVE-2019-17266
    https://usn.ubuntu.com/4152-1/
    https://www.mail-archive.com/debian-bugs-dist%40lists.debian.org/msg1705054.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