USN-3850-1

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    USN-3850-1

    Published: 9 Jan 2019Last Modified: 22 Apr 2026

    Summary: nss vulnerabilities

    Details: Keegan Ryan discovered that NSS incorrectly handled ECDSA key generation. A local attacker could possibly use this issue to perform a cache-timing attack and recover private ECDSA keys. (CVE-2018-0495) It was discovered that NSS incorrectly handled certain v2-compatible ClientHello messages. A remote attacker could possibly use this issue to perform a replay attack. (CVE-2018-12384) It was discovered that NSS incorrectly handled certain padding oracles. A remote attacker could possibly use this issue to perform a variant of the Bleichenbacher attack. (CVE-2018-12404)

    References: https://ubuntu.com/security/notices/USN-3850-1, https://ubuntu.com/security/CVE-2018-0495, https://ubuntu.com/security/CVE-2018-12384, https://ubuntu.com/security/CVE-2018-12404

    Affected packages

    Package

    Name: nss

    Purl: pkg:deb/ubuntu/nss@2:3.28.4-0ubuntu0.14.04.4?arch=source&distro=trusty

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -2:3.28.4-0ubuntu0.14.04.4

    Affected versions

    2:3.15.1-1ubuntu1
    2:3.15.2-1
    2:3.15.3-1
    2:3.15.3.1-1
    2:3.15.3.1-1.1
    2:3.15.3.1-1.1ubuntu1
    2:3.15.4-1ubuntu3
    2:3.15.4-1ubuntu4
    2:3.15.4-1ubuntu5
    2:3.15.4-1ubuntu6
    2:3.15.4-1ubuntu7
    2:3.15.4-1ubuntu7.1

    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