CVE-2023-34205 Signature validation bypass in github.com/moov-io/signedxml

Critical 9.1 Published Updated

Attackers can bypass XML signature validation in Moov signedxml via Signature Wrapping attacks, compromising data integrity.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
Available

What is CVE-2023-34205?

CVE-2023-34205 is a critical vulnerability in n/a, published on 30 May 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

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).

Weakness: CWE-347

Which versions are affected by CVE-2023-34205?

3 open source packages ship an affected version, including github.com/moov-io/signedxml. It affects 1 product.

PackageAffectedFixed in
github.com/moov-io/signedxml GoAll versions1.1.0
github.com/moov-io/signedxml GoAll versions1.1.0
github.com/moov-io/signedxml GoAll versions1.1.0

Products include Moov Signedxml.

How do I fix CVE-2023-34205?

Upgrade github.com/moov-io/signedxml to 1.1.0 or later.

Is CVE-2023-34205 being exploited?

There is no known exploitation of CVE-2023-34205 in the wild and no public exploit code.

Sources

Also known as GHSA-jqvr-j2vg-gjrv, GO-2023-1826.

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