ASB-A-158221622

    Dashboard / Vulnerabilities / ASB-A-158221622

    ASB-A-158221622

    Published: 1 Mar 2021Last Modified: 18 Sept 2026

    Summary:

    Details: In do_rfc1035_name of util.c, there is a possible out of bounds write due to a missing bounds check. This could lead to remote code execution when processing a malicious DNS server response with no additional execution privileges needed. User interaction is not needed for exploitation.

    References: https://source.android.com/security/bulletin/2021-03-01, https://android.googlesource.com/platform/external/dnsmasq/+/10ba39da6b98043989b1a604f533d5b647ee7bda

    Affected packages

    Package

    Name: platform/external/dnsmasq

    Purl:

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 8.1:0
    Fixed -8.1:2021-03-01

    Affected versions

    8.1

    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
    ASB-A-158221622 | CVE-DB