DEBIAN-CVE-2020-1763

    Dashboard / Vulnerabilities / DEBIAN-CVE-2020-1763

    DEBIAN-CVE-2020-1763

    Published: 12 May 2020Last Modified: 11 Sept 2026
    Upstream:

    Summary:

    Details: An out-of-bounds buffer read flaw was found in the pluto daemon of libreswan from versions 3.27 till 3.31 where, an unauthenticated attacker could use this flaw to crash libreswan by sending specially-crafted IKEv1 Informational Exchange packets. The daemon respawns after the crash.

    Affected packages

    Package

    Name: libreswan

    Purl: pkg:deb/debian/libreswan?arch=source&distro=bookworm

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -3.32-1

    Affected versions

    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
    DEBIAN-CVE-2020-1763 | CVE-DB