Vulnerability in Pyjwt_project Pyjwt
CVE-2017-11424
In PyJWT 1.5.0 and below the `invalid_strings` check in `HMACAlgorithm.prepare_key` does not account for all PEM encoded public keys. Specifically, the PKCS1 PEM encoded format would be allowed because it is prefaced with the string `-----…
EPSS: 0.002 (41.1th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N.
Affected products
- Pyjwt_project Pyjwt
- Debian Debian_linux — versions 8.0, 9.0
- N/a — versions n/a
Public proof-of-concept exploits
References
- security@duo.com (vendor-advisory, Third Party Advisory, x_refsource_DEBIAN)
- security@duo.com (x_refsource_CONFIRM, Patch, Third Party Advisory, Issue Tracking)
Frequently asked questions
- What is CVE-2017-11424?
- CVE-2017-11424 is a high-severity vulnerability in Pyjwt_project Pyjwt. CVSS score: 7.5/10. Published 2017-08-24.
- How severe is CVE-2017-11424?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2017-11424 known to be exploited?
- 4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.