UBUNTU-CVE-2018-6003

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    UBUNTU-CVE-2018-6003

    Published: 22 Jan 2018Last Modified: 22 Apr 2026
    Upstream:
    CVE-2018-6003
    Aliases:
    USN-3547-1

    Summary:

    Details: An issue was discovered in the _asn1_decode_simple_ber function in decoding.c in GNU Libtasn1 before 4.13. Unlimited recursion in the BER decoder leads to stack exhaustion and DoS.

    References: https://ubuntu.com/security/CVE-2018-6003, http://git.savannah.nongnu.org/cgit/libtasn1.git/commit/?id=c593ae84cfcde8fea45787e53950e0ac71e9ca97, https://bugzilla.redhat.com/show_bug.cgi?id=1535926, https://bugzilla.suse.com/show_bug.cgi?id=1076832, https://gitlab.com/gnutls/libtasn1/commit/946565d8eb05fbf7970ea366e817581bb5a90910, https://ubuntu.com/security/notices/USN-3547-1, https://www.cve.org/CVERecord?id=CVE-2018-6003

    Affected packages

    Package

    Name: libtasn1-6

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

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -4.7-3ubuntu0.16.04.3

    Affected versions

    4.5-2

    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