CVE-2018-16149 in axTLSinfo

Zusammenfassung (Englisch)

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 (and put them on X.509 certificates) to induce illegal memory access and crash the verifier.

Reservieren

29.08.2018

Veröffentlichung

07.11.2018

Einträge

VulDB provides additional information and datapoints for this CVE:

ID	Schwachstelle	CWE	Aus	Mas	CVE
126520	axTLS ASN.1 x509.c sig_verify schwache Authentisierung	347	Nicht definiert	Offizieller Fix	CVE-2018-16149

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