PT-2020-10135 · Xmidt · Xmidt Cjwt

Published 2020-03-20 · Updated 2020-03-24 · CVE-2019-19324

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Name of the Vulnerable Software and Affected Versions Xmidt cjwt versions 1.0.1 and earlier

Description The issue arises when Xmidt cjwt maps unsupported algorithms to alg=none, which can lead to the accidental acceptance of untrusted JWTs. This occurs because the mapping sometimes results in untrusted accidental JWT acceptance.

Recommendations For versions 1.0.1 and earlier, update to a version released after 2019-11-25 to resolve the issue.

Fix

Weakness Enumeration

CWE-670

Related Identifiers

CVE-2019-19324

Affected Products

Xmidt Cjwt

References · 5

• https://github.com/xmidt-org/cjwt/commit/9304d3e94242c1a6df77b21bde0e949392e1040a · Patch
• https://github.com/xmidt-org/cjwt/pull/29#issuecomment-558356866 · Patch
• https://osv.dev/vulnerability/CVE-2019-19324 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2019-19324 · Security Note
• https://t.me/cvenotify/1964 · Telegram Post