USN-2788-2

    Dashboard / Vulnerabilities / USN-2788-2

    USN-2788-2

    Published: 9 Nov 2015Last Modified: 10 Feb 2026

    Summary: unzip regression

    Details: USN-2788-1 fixed vulnerabilities in unzip. One of the security patches caused a regression when extracting 0-byte files. This update fixes the problem. We apologize for the inconvenience. Original advisory details: Gustavo Grieco discovered that unzip incorrectly handled certain password protected archives. If a user or automated system were tricked into processing a specially crafted zip archive, an attacker could possibly execute arbitrary code. (CVE-2015-7696) Gustavo Grieco discovered that unzip incorrectly handled certain malformed archives. If a user or automated system were tricked into processing a specially crafted zip archive, an attacker could possibly cause unzip to hang, resulting in a denial of service. (CVE-2015-7697)

    References: https://ubuntu.com/security/notices/USN-2788-2, https://launchpad.net/bugs/1513293

    Affected packages

    Package

    Name: unzip

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

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -6.0-9ubuntu1.5

    Affected versions

    6.0-9ubuntu1
    6.0-9ubuntu1.1
    6.0-9ubuntu1.2
    6.0-9ubuntu1.3
    6.0-9ubuntu1.4

    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
    USN-2788-2 | CVE-DB