GHSA-xcjx-m2pj-8g79

    Dashboard / Vulnerabilities / GHSA-xcjx-m2pj-8g79

    GHSA-xcjx-m2pj-8g79

    Published: 22 Apr 2022Last Modified: 14 Oct 2024

    Summary: Manipulated inline images can cause Infinite Loop in PyPDF2

    Details: ### Impact An attacker who uses this vulnerability can craft a PDF which leads to an infinite loop if the PyPDF2 user wrote the following code: ```python from PyPDF2 import PdfFileReader, PdfFileWriter from PyPDF2.pdf import ContentStream reader = PdfFileReader("malicious.pdf", strict=False) for page in reader.pages: ContentStream(page.getContents(), reader) ``` ### Patches [`PyPDF2==1.27.5`](https://pypi.org/project/PyPDF2) and later are patched. Credits to [Sebastian Krause](https://github.com/sekrause) for finding ([issue](https://github.com/py-pdf/PyPDF2/issues/329)) and fixing ([PR](https://github.com/py-pdf/PyPDF2/pull/740)) it.

    Affected packages

    Package

    Name: pypdf2

    Purl: pkg:pypi/pypdf2

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -1.27.5

    Affected versions

    1.15

    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-xcjx-m2pj-8g79 | CVE-DB