Vulnerability in Connect2id Nimbus_jose\+jwt
CVE-2017-12972
In Nimbus JOSE+JWT before 4.39, there is no integer-overflow check when converting length values from bytes to bits, which allows attackers to conduct HMAC bypass attacks by shifting Additional Authenticated Data (AAD) and ciphertext so th…
EPSS: 0.009 (54.6th 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
- Connect2id Nimbus_jose\+jwt — versions 1.0, 1.1, 1.2
- N/a — versions n/a
Weakness classification (CWE)
References
- cve@mitre.org (x_refsource_CONFIRM, Patch, Third Party Advisory)
- cve@mitre.org (x_refsource_CONFIRM, Third Party Advisory)
- cve@mitre.org (x_refsource_CONFIRM, Third Party Advisory, Release Notes)
- cve@mitre.org (mailing-list, x_refsource_MLIST)
Frequently asked questions
- What is CVE-2017-12972?
- CVE-2017-12972 is a high-severity vulnerability in Connect2id Nimbus_jose\+jwt, classified under Insufficient Verification of Data Authenticity. CVSS score: 7.5/10. Published 2017-08-20.
- How severe is CVE-2017-12972?
- High severity. CVSS v3 base score is 7.5 out of 10.