UBUNTU-CVE-2017-17843

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    UBUNTU-CVE-2017-17843

    Published: 27 Dec 2017Last Modified: 16 Jul 2025
    Upstream:
    CVE-2017-17843

    Summary:

    Details: An issue was discovered in Enigmail before 1.9.9 that allows remote attackers to trigger use of an intended public key for encryption, because incorrect regular expressions are used for extraction of an e-mail address from a comma-separated list, as demonstrated by a modified Full Name field and a homograph attack, aka TBE-01-002.

    References: https://ubuntu.com/security/CVE-2017-17843, https://enigmail.net/download/other/Enigmail%20Pentest%20Report%20by%20Cure53%20-%20Excerpt.pdf, https://lists.debian.org/debian-security-announce/2017/msg00333.html, https://www.debian.org/security/2017/dsa-4070, https://www.mail-archive.com/[email protected]/msg04280.html, https://www.cve.org/CVERecord?id=CVE-2017-17843

    Affected packages

    Package

    Name: enigmail

    Purl: pkg:deb/ubuntu/enigmail@2:1.9.9-0ubuntu0.14.04.1?arch=source&distro=trusty

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -2:1.9.9-0ubuntu0.14.04.1

    Affected versions

    2:1.5.2-0ubuntu1

    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