GHSA-q5hq-fp76-qmrc

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    GHSA-q5hq-fp76-qmrc

    Published: 8 Jun 2021Last Modified: 14 Oct 2024

    Summary: Uncontrolled Resource Consumption in Pillow

    Details: An issue was discovered in Pillow before 8.2.0. For EPS data, the readline implementation used in EPSImageFile has to deal with any combination of \r and \n as line endings. It used an accidentally quadratic method of accumulating lines while looking for a line ending. A malicious EPS file could use this to perform a DoS of Pillow in the open phase, before an image was accepted for opening.

    References: https://nvd.nist.gov/vuln/detail/CVE-2021-28677, https://github.com/python-pillow/Pillow/pull/5377, https://github.com/python-pillow/Pillow/commit/5a5e6db0abf4e7a638fb1b3408c4e495a096cb92, https://github.com/advisories/GHSA-q5hq-fp76-qmrc, https://github.com/pypa/advisory-database/tree/main/vulns/pillow/PYSEC-2021-93.yaml, https://github.com/python-pillow/Pillow, https://lists.debian.org/debian-lts-announce/2021/07/msg00018.html, https://lists.fedoraproject.org/archives/list/[email protected]/message/MQHA5HAIBOYI3R6HDWCLAGFTIQP767FL, https://pillow.readthedocs.io/en/stable/releasenotes/8.2.0.html#cve-2021-28677-fix-eps-dos-on-open, https://security.gentoo.org/glsa/202107-33

    Affected packages

    Package

    Name: pillow

    Purl: pkg:pypi/pillow

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -8.2.0

    Affected versions

    1.0

    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
    GHSA-q5hq-fp76-qmrc | CVE-DB