CVE-2023-52428 Denial of Service in Connect2id Nimbus JOSE+JWT
An attacker can cause denial of service via resource consumption by sending a large JWE p2c header value to the Connect2id Nimbus JOSE+JWT library.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2023-52428?
CVE-2023-52428 is a high-severity denial of service vulnerability in n/a, published on 11 Feb 2024. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
In Connect2id Nimbus JOSE+JWT before 9.37.2, an attacker can cause a denial of service (resource consumption) via a large JWE p2c header value (aka iteration count) for the PasswordBasedDecrypter (PBKDF2) component.
Weakness: CWE-770
Which versions are affected by CVE-2023-52428?
2 open source packages ship an affected version, including com.nimbusds:nimbus-jose-jwt. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
com.nimbusds:nimbus-jose-jwt Maven | All versions | 9.37.2 |
com.nimbusds:nimbus-jose-jwt Maven | All versions | 9.37.2 |
Products include Connect2id Nimbus Jose\+jwt.
How do I fix CVE-2023-52428?
Upgrade com.nimbusds:nimbus-jose-jwt to 9.37.2 or later.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2023-52428 being exploited?
There is no known exploitation of CVE-2023-52428 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as CLEANSTART-2026-CO70761, CLEANSTART-2026-PS45852, CLEANSTART-2026-ZP61425, CLSA-2024-1723507378, CLSA-2024-1733443230, CLSA-2026-1778633125 and 13 more.