OSV-2021-891

    Dashboard / Vulnerabilities / OSV-2021-891

    OSV-2021-891

    Published: 24 Jun 2021Last Modified: 13 Apr 2022

    Summary: Heap-buffer-overflow in __cil_cat_expr_range_to_bitmap_helper

    Details: OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=35492 ``` Crash type: Heap-buffer-overflow READ 4 Crash state: __cil_cat_expr_range_to_bitmap_helper __cil_expr_to_bitmap __evaluate_cat_expression ```

    References: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=35492

    Affected packages

    Package

    Name: selinux

    Purl: pkg:generic/selinux

    Affected ranges

    Type: GIT

    Events:

    Introduced- 982ec302b67f3c7f8df667dadb67352b1e4a6d18
    Fixed -8470058934e89d1876b8e034d1ea818bde62b994

    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
    OSV-2021-891 | CVE-DB