high7.5
CVE-2021-29421
Improper Restriction of XML External Entity Reference in pikepdf
Impact
models/metadata.py in the pikepdf package 1.3.0 through 2.9.2 for Python allows XXE when parsing XMP metadata entries.
Affected packages
| Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|
| pip | pikepdf | >= 1.3.0, < 2.10.0 | 2.10.0 |
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Pikepdf Project | Pikepdf | from 1.3.0 through 2.9.2 |
| Fedoraproject | Fedora | Versions 32, 33 |
Weakness classification
References
- NVD record
- CVE.org record
- GitHub advisory
- https://github.com/pikepdf/pikepdf/blob/v2.10.0/docs/release_notes.rst#v2100
- https://github.com/pikepdf/pikepdf/commit/3f38f73218e5e782fe411ccbb3b44a793c0b343a
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/36P4HTLBJPO524WMQWW57N3QRF4RFSJG/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3QFLBBYGEDNXJ7FS6PIWTVI4T4BUPGEQ/
- https://github.com/advisories/GHSA-ccgm-3xw4-h5p8
- https://nvd.nist.gov/vuln/detail/CVE-2021-29421
- https://github.com/pypa/advisory-database/tree/main/vulns/pikepdf/PYSEC-2021-34.yaml
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/36P4HTLBJPO524WMQWW57N3QRF4RFSJG
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/3QFLBBYGEDNXJ7FS6PIWTVI4T4BUPGEQ