PYSEC-2022-25

    Dashboard / Vulnerabilities / PYSEC-2022-25

    PYSEC-2022-25

    Published: 1 Jan 2022Last Modified: 8 Nov 2023

    Summary:

    Details: UltraJSON (aka ujson) through 5.1.0 has a stack-based buffer overflow in Buffer_AppendIndentUnchecked (called from encode). Exploitation can, for example, use a large amount of indentation.

    References: https://github.com/google/oss-fuzz-vulns/blob/main/vulns/ujson/OSV-2021-955.yaml, https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=36009, https://github.com/ultrajson/ultrajson/issues/501, https://github.com/ultrajson/ultrajson/issues/502#issuecomment-1031747284, https://github.com/advisories/GHSA-fh56-85cw-5pq6

    Affected packages

    Package

    Name: ujson

    Purl: pkg:pypi/ujson

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 4.0.2
    Fixed -5.1.0

    Affected versions

    4.0.2

    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-2022-25 | CVE-DB