CVE-2018-1000520
First published: Tue Jun 26 2018(Updated: )
ARM mbedTLS version 2.7.0 and earlier contains a Ciphersuite Allows Incorrectly Signed Certificates vulnerability in mbedtls_ssl_get_verify_result() that can result in ECDSA-signed certificates are accepted, when only RSA-signed ones should be.. This attack appear to be exploitable via Peers negotiate a TLS-ECDH-RSA-* ciphersuite. Any of the peers can then provide an ECDSA-signed certificate, when only an RSA-signed one should be accepted..
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| ARM mbed TLS | <=2.7.0 |
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Reference Links
Frequently Asked Questions
What is the vulnerability ID for this vulnerability?
The vulnerability ID for this vulnerability is CVE-2018-1000520.
What is the severity of CVE-2018-1000520?
The severity of CVE-2018-1000520 is high with a severity value of 7.5.
What software is affected by CVE-2018-1000520?
The ARM mbedTLS version 2.7.0 and earlier is affected by CVE-2018-1000520.
What is the vulnerability description of CVE-2018-1000520?
CVE-2018-1000520 is a vulnerability in mbedtls_ssl_get_verify_result() function of ARM mbedTLS version 2.7.0 and earlier that allows incorrectly signed certificates to be accepted.
Is there any fix available for CVE-2018-1000520?
Yes, there is a fix available for CVE-2018-1000520. Please refer to the provided reference link for more information.
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