CVE-2015-7744

Description

wolfSSL (formerly CyaSSL) before 3.6.8 does not properly handle faults associated with the Chinese Remainder Theorem (CRT) process when allowing ephemeral key exchange without low memory optimizations on a server, which makes it easier for remote attackers to obtain private RSA keys by capturing TLS handshakes, aka a Lenstra attack.

References

https://wolfssl.com/wolfSSL/Blog/Entries/2015/9/17_Two_Vulnerabilities_Recently_Found%2C_An_Attack_on_RSA_using_CRT_and_DoS_Vulnerability_With_DTLS.html

http://www.oracle.com/technetwork/topics/security/cpujan2016-2367955.html

http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html

http://wolfssl.com/wolfSSL/Docs-wolfssl-changelog.html

http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00016.html

http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00015.html

Details

Source: Mitre, NVD

Risk Information

CVSS v2

CVSS v3