PYSEC-2019-196

    Dashboard / Vulnerabilities / PYSEC-2019-196

    PYSEC-2019-196

    Published: 8 Nov 2019Last Modified: 8 Nov 2023

    Summary:

    Details: While investigating UBSAN errors in https://github.com/apache/arrow/pull/5365 it was discovered Apache Arrow versions 0.12.0 to 0.14.1, left memory Array data uninitialized when reading RLE null data from parquet. This affected the C++, Python, Ruby and R implementations. The uninitialized memory could potentially be shared if are transmitted over the wire (for instance with Flight) or persisted in the streaming IPC and file formats.

    References: https://lists.apache.org/thread.html/49f067b1c5fb7493d952580f0d2d032819ba351f7a78743c21126269@%3Cdev.arrow.apache.org%3E, http://www.openwall.com/lists/oss-security/2019/11/08/1, https://lists.apache.org/thread.html/efd8bbf57427d3c303b5316d208a335f8d0c0dbe0dc4c87cfa995073@%3Cannounce.apache.org%3E, https://github.com/advisories/GHSA-cjw4-2w9r-r8mv

    Affected packages

    Package

    Name: pyarrow

    Purl: pkg:pypi/pyarrow

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0.12.0
    Fixed -0.15.0

    Affected versions

    0.12.0
    0.12.1

    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
    PYSEC-2019-196 | CVE-DB