What is CVE-2023-34205?

CVE-2023-34205 is a critical-severity vulnerability in Moov Signedxml, classified under Improper Verification of Cryptographic Signature. CVSS score: 9.1/10. Published 2023-05-30.

How severe is CVE-2023-34205?

Critical severity. CVSS v3 base score is 9.1 out of 10.

Vulnerability in Moov Signedxml

CVE-2023-34205

In Moov signedxml through 1.0.0, parsing the raw XML (as received) can result in different output than parsing the canonicalized XML. Thus, signature validation can be bypassed via a Signature Wrapping attack (aka XSW).

EPSS: 0.004 (31.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N.

Affected products

Moov Signedxml — versions 1.0.0
N/a — versions n/a

Weakness classification (CWE)

CWE-347 — Improper Verification of Cryptographic Signature

References

cve@mitre.org (Third Party Advisory, Issue Tracking)

Frequently asked questions

What is CVE-2023-34205?: CVE-2023-34205 is a critical-severity vulnerability in Moov Signedxml, classified under Improper Verification of Cryptographic Signature. CVSS score: 9.1/10. Published 2023-05-30.
How severe is CVE-2023-34205?: Critical severity. CVSS v3 base score is 9.1 out of 10.