Vulnerability · Published Feb 24, 2022 · Assigned by mitre
CVE-2022-25640
High 7.5
In plain English
A high-severity security flaw in the wolfssl package (Debian). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.4% (higher than 72% of all known vulnerabilities). Ready-made attack tooling exists: public proof-of-concept code. Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)7.5High
Exploit odds (30 days)1.4%top 28.3% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack tooling1Public PoC
Official description
In wolfSSL before 5.2.0, a TLS 1.3 server cannot properly enforce a requirement for mutual authentication. A client can simply omit the certificate_verify message from the handshake, and never present a certificate.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | wolfssl | 5.2.0-1 | DEBIAN-CVE-2022-25640 |
| Debian:13 | wolfssl | 5.2.0-1 | DEBIAN-CVE-2022-25640 |
| Ubuntu:22.04:LTS | wolfssl | no fix listed | UBUNTU-CVE-2022-25640 |
Affected products (as reported)
References
- https://github.com/wolfSSL/wolfssl/pull/4831 x_refsource_MISC