UBUNTU-CVE-2017-6891

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    UBUNTU-CVE-2017-6891

    Published: 22 May 2017Last Modified: 22 Apr 2026
    Upstream:
    CVE-2017-6891

    Summary:

    Details: Two errors in the "asn1_find_node()" function (lib/parser_aux.c) within GnuTLS libtasn1 version 4.10 can be exploited to cause a stacked-based buffer overflow by tricking a user into processing a specially crafted assignments file via the e.g. asn1Coding utility.

    References: https://ubuntu.com/security/CVE-2017-6891, https://secuniaresearch.flexerasoftware.com/advisories/76125/, https://secuniaresearch.flexerasoftware.com/secunia_research/2017-11/, https://ubuntu.com/security/notices/USN-3309-1, https://ubuntu.com/security/notices/USN-3309-2, https://www.cve.org/CVERecord?id=CVE-2017-6891

    Affected packages

    Package

    Name: libtasn1-6

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

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -3.4-3ubuntu0.5

    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