Vulnerability index

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Axtls MEDIUM 5.5
CVE-2023-33613

axTLS v2.1.5 was discovered to contain a heap buffer overflow in the bi_import function in axtls-code/crypto/bigint.c. This vulnerability allows atta…

No fix yet
Fix from $1,600 2023-06-06
Axtls HIGH 7.5
CVE-2019-9689

process_certificate in tls1.c in Cameron Hamilton-Rich axTLS through 2.1.5 has a Buffer Overflow via a crafted TLS certificate handshake message with…

Fix: after 2.1.5
Fix from $1,950 2019-12-03
Axtls HIGH 7.5
CVE-2019-10013

The asn1_signature function in asn1.c in Cameron Hamilton-Rich axTLS through 2.1.5 has a Buffer Overflow that allows remote attackers to cause a deni…

Fix: after 2.1.5
Fix from $1,950 2019-12-03
Axtls CRITICAL 9.8
CVE-2019-8981

tls1.c in Cameron Hamilton-Rich axTLS before 2.1.5 has a Buffer Overflow via a crafted sequence of TLS packets because the need_bytes value is misman…

Fix: 2.1.5+
Fix from $2,300 2019-03-26
Axtls MEDIUM 5.9
CVE-2018-16149

In sig_verify() in x509.c in axTLS version 2.1.3 and before, the PKCS#1 v1.5 signature verification blindly trusts the declared lengths in the ASN.1 …

Fix: after 2.1.3
Fix from $1,600 2018-11-07
Axtls MEDIUM 5.9
CVE-2018-16150

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.…

Fix: after 2.1.3
Fix from $1,600 2018-11-07
Axtls MEDIUM 5.9
CVE-2018-16253

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. Cons…

Fix: after 2.1.3
Fix from $1,600 2018-11-07
Axtls MEDIUM 5.3
CVE-2017-1000416

axTLS version 1.5.3 has a coding error in the ASN.1 parser resulting in the year (19)50 of UTCTime being misinterpreted as 2050.

Mitigation only
Fix from $1,600 2018-01-22