MGASA-2019-0139

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    MGASA-2019-0139

    Published: 10 Apr 2019Last Modified: 16 Apr 2026

    Summary: Updated libssh2 packages fix security vulnerability

    Details: Possible integer overflow in transport read allows out-of-bounds write. (CVE-2019-3855) Possible integer overflow in keyboard interactive handling allows out-of-bounds write. (CVE-2019-3856) Possible integer overflow leading to zero-byte allocation and out-of-bounds write. (CVE-2019-3857) Possible zero-byte allocation leading to an out-of-bounds read. (CVE-2019-3858) Out-of-bounds reads with specially crafted payloads due to unchecked use of `_libssh2_packet_require` and `_libssh2_packet_requirev`. (CVE-2019-3859) Out-of-bounds reads with specially crafted SFTP packets. (CVE-2019-3860) Out-of-bounds reads with specially crafted SSH packets. (CVE-2019-3861) Out-of-bounds memory comparison. (CVE-2019-3862) Integer overflow in user authenicate keyboard interactive allows out-of-bounds writes. (CVE-2019-3863)

    Affected packages

    Package

    Name: libssh2

    Purl: pkg:rpm/mageia/libssh2?arch=source&distro=mageia-6

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -1.7.0-2.1.mga6

    Affected versions

    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