CVE-2018-16150
Medium
Description
In sig_verify() in x509.c in axTLS version 2.1.3 and before, the PKCS#1 v1.5 signature verification does not reject excess data after the hash value. Consequently, a remote attacker can forge signatures when small public exponents are being used, which could lead to impersonation through fake X.509 certificates. This is a variant of CVE-2006-4340.
SeverityMedium
CVSS5.9
Exploit probability—
ProductAxtls
PublishedNov 7, 2018
First seenNov 7, 2018
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| axtls_project axtls | v ≤ 2.1.3 | — |
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