CVE-2017-12972 describes an integer overflow vulnerability in Nimbus JOSE+JWT versions prior to 4.39. This flaw allows attackers to bypass HMAC authentication by manipulating Additional Authenticated Data (AAD) and ciphertext, leading to different plaintext being accepted for the same HMAC. Rated with a CVSS score of 7.5 (HIGH), it is a network-exploitable vulnerability with low attack complexity, potentially resulting in high integrity impact. There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
1.0CPE matchmatch criteria | cpe:2.3:a:connect2id:nimbus_jose\+jwt:1.0:*:*:*:*:*:*:* | ||
1.1CPE matchmatch criteria | cpe:2.3:a:connect2id:nimbus_jose\+jwt:1.1:*:*:*:*:*:*:* | ||
1.2CPE matchmatch criteria | cpe:2.3:a:connect2id:nimbus_jose\+jwt:1.2:*:*:*:*:*:*:* | ||
1.3CPE matchmatch criteria | cpe:2.3:a:connect2id:nimbus_jose\+jwt:1.3:*:*:*:*:*:*:* | ||
1.4CPE matchmatch criteria | cpe:2.3:a:connect2id:nimbus_jose\+jwt:1.4:*:*:*:*:*:*:* |
CVSS version used by this source: 3.0
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
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The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.