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cvelistMitreCVELIST:CVE-2018-16253
HistoryNov 07, 2018 - 8:00 p.m.

CVE-2018-16253

2018-11-0720:00:00
mitre
www.cve.org
6

AI Score

5.9

Confidence

Low

EPSS

0.046

Percentile

92.6%

In sig_verify() in x509.c in axTLS version 2.1.3 and before, the PKCS#1 v1.5 signature verification does not properly verify the ASN.1 metadata. 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 an even more permissive variant of CVE-2006-4790 and CVE-2014-1568.