UBUNTU-CVE-2016-4008

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    UBUNTU-CVE-2016-4008

    Published: 14 Apr 2016Last Modified: 22 Apr 2026
    Upstream:
    CVE-2016-4008

    Summary:

    Details: The _asn1_extract_der_octet function in lib/decoding.c in GNU Libtasn1 before 4.8, when used without the ASN1_DECODE_FLAG_STRICT_DER flag, allows remote attackers to cause a denial of service (infinite recursion) via a crafted certificate.

    References: https://ubuntu.com/security/CVE-2016-4008, http://www.openwall.com/lists/oss-security/2016/04/11/3, https://ubuntu.com/security/notices/USN-2957-1, https://ubuntu.com/security/notices/USN-2957-2, https://www.cve.org/CVERecord?id=CVE-2016-4008

    Affected packages

    Package

    Name: libtasn1-6

    Purl: pkg:deb/ubuntu/[email protected]?arch=source&distro=trusty

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -3.4-3ubuntu0.4

    Affected versions

    3.3-2

    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