CVE-2022-24859: Manipulated inline images can cause Infinite Loop in PyPDF2
(updated )
An attacker who uses this vulnerability can craft a PDF which leads to an infinite loop if the PyPDF2 user wrote the following code:
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)
References
- github.com/advisories/GHSA-xcjx-m2pj-8g79
- github.com/py-pdf/PyPDF2
- github.com/py-pdf/PyPDF2/issues/329
- github.com/py-pdf/PyPDF2/pull/740
- github.com/py-pdf/PyPDF2/releases/tag/1.27.5
- github.com/py-pdf/PyPDF2/security/advisories/GHSA-xcjx-m2pj-8g79
- github.com/pypa/advisory-database/tree/main/vulns/pypdf2/PYSEC-2022-194.yaml
- lists.debian.org/debian-lts-announce/2022/06/msg00001.html
- lists.debian.org/debian-lts-announce/2023/06/msg00013.html
- nvd.nist.gov/vuln/detail/CVE-2022-24859
Code Behaviors & Features
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