CVE-2015-1793

Public on 2015-07-09
Modified on 2015-07-09
Description
A flaw was found in the way OpenSSL verified alternative certificate chains. An attacker able to supply a certificate chain to an SSL/TLS or DTLS client or an SSL/TLS or DTLS server using client authentication could use this flaw to bypass certain checks in the verification process, possibly allowing them to use one of the certificates in the supplied certificate chain as a CA certificate to generate an invalid certificate.
Severity
Important severity
Important
CVSS v3 Base Score
5.8
See breakdown

Affected Packages

Platform Package Release Date Advisory Status
Amazon Linux 1 openssl 2015-07-09 ALAS-2015-564 Fixed

CVSS Scores

Score Type Score Vector
Amazon Linux CVSSv2 5.8 AV:N/AC:M/Au:N/C:P/I:P/A:N
NVD CVSSv3 6.5 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
NVD CVSSv2 6.4 AV:N/AC:L/Au:N/C:P/I:P/A:N