CVE-2017-1000246: Weak Encryption
First published: Fri Nov 17 2017(Updated: )
Python package pysaml2 version 4.4.0 and earlier reuses the initialization vector across encryptions in the IDP server, resulting in weak encryption of data.
Credit: cve@mitre.org cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| pip/pysaml2 | <4.6.0 | 4.6.0 |
| pysaml2 | <4.6.0 |
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Reference Links
- https://nvd.nist.gov/vuln/detail/CVE-2017-1000246
- https://github.com/rohe/pysaml2/issues/417
- https://github.com/advisories/GHSA-cq94-qf6q-mf2h (Advisory)
- https://github.com/IdentityPython/pysaml2/pull/519/commits/7323f5c20efb59424d853c822e7a26d1aa3e84aa
- https://github.com/pypa/advisory-database/tree/main/vulns/pysaml2/PYSEC-2017-26.yaml
Frequently Asked Questions
What is the severity of CVE-2017-1000246?
CVE-2017-1000246 has a medium severity rating due to its weak encryption resulting from the reuse of initialization vectors.
How do I fix CVE-2017-1000246?
To fix CVE-2017-1000246, upgrade the pysaml2 package to version 4.6.0 or later.
Which versions of pysaml2 are affected by CVE-2017-1000246?
CVE-2017-1000246 affects pysaml2 versions 4.4.0 and earlier.
What type of vulnerability is CVE-2017-1000246?
CVE-2017-1000246 is a cryptographic vulnerability caused by reusing initialization vectors.
Is CVE-2017-1000246 specific to certain environments?
CVE-2017-1000246 specifically affects the IDP server using the pysaml2 package.
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