medium6.2
CVE-2022-24859
Manipulated inline images can cause Infinite Loop in PyPDF2
Impact
### 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
| Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|
| pip | PyPDF2 | < 1.27.5 | 1.27.5 |
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Pypdf2 Project | Pypdf2 | before 1.27.5 |
| Debian | Debian Linux | Version 9.0 |
Weakness classification
References
- NVD record
- CVE.org record
- GitHub advisory
- https://github.com/py-pdf/PyPDF2/issues/329
- https://github.com/py-pdf/PyPDF2/pull/740
- https://github.com/py-pdf/PyPDF2/releases/tag/1.27.5
- https://github.com/py-pdf/PyPDF2/security/advisories/GHSA-xcjx-m2pj-8g79
- https://lists.debian.org/debian-lts-announce/2022/06/msg00001.html
- https://lists.debian.org/debian-lts-announce/2023/06/msg00013.html
- https://github.com/advisories/GHSA-xcjx-m2pj-8g79
- https://nvd.nist.gov/vuln/detail/CVE-2022-24859
- https://github.com/pypa/advisory-database/tree/main/vulns/pypdf2/PYSEC-2022-194.yaml