CVE-2018-1000520

ARM mbedTLS version 2.7.0 and earlier contains a Ciphersuite Allows Incorrectly Signed Certificates vulnerability in mbedtls_ssl_get_verify_result() that can…

published June 26, 2018

CVSS
—
EPSS
1%
Percentile
56.1
In the wild
Unconfirmed
What it is

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..

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.00799 · 56.1th percentile
Published
2018-06-26T16:00Z
EPSS history
Timeline
  • 26 JUN 16:00Z
    ARM mbedTLS version 2.7.0 and earlier contains a Ciphersuite Allows Incorrectly Signed Certificates vulnerability in mbedtls_ssl_get_verify_result() that can…
    cvelistv5