axtls project axtls vulnerabilities and exploits

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5.9

CVSSv3

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 structure. Consequently, when small public exponents are being used, a remote attacker can generate purposefully crafted signatures...

Axtls Project Axtls

5.9

CVSSv3

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...

Axtls Project Axtls

5.9

CVSSv3

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 thro...

Axtls Project Axtls

7.5

CVSSv3

process_certificate in tls1.c in Cameron Hamilton-Rich axTLS up to and including 2.1.5 has a Buffer Overflow via a crafted TLS certificate handshake message with zero certificates.

Axtls Project Axtls

7.5

CVSSv3

The asn1_signature function in asn1.c in Cameron Hamilton-Rich axTLS up to and including 2.1.5 has a Buffer Overflow that allows remote malicious users to cause a denial of service (memory and CPU consumption) via a crafted certificate in the TLS certificate handshake message, be...

Axtls Project Axtls

9.8

CVSSv3

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

Axtls Project Axtls

5.3

CVSSv3

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.

Axtls Project Axtls 1.5.3

5.5

CVSSv3

axTLS v2.1.5 exists to contain a heap buffer overflow in the bi_import function in axtls-code/crypto/bigint.c. This vulnerability allows malicious users to cause a Denial of Service (DoS) when parsing a private key.

Axtls Project Axtls 2.1.5

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