Improper Data Handling The advisory has been revoked - it doesn't affect any version of package percona-server-5.6 (opens in a new tab)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-UBUNTU1604-PERCONASERVER56-365439
- published22 Jan 2016
- disclosed22 Jan 2016
Introduced: 22 Jan 2016
CVE-2015-7744 (opens in a new tab)Amendment
The Ubuntu security team deemed this advisory irrelevant for Ubuntu:16.04.
NVD Description
Note: Versions mentioned in the description apply only to the upstream percona-server-5.6 package and not the percona-server-5.6 package as distributed by Ubuntu.
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
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2015-7744
- 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://wolfssl.com/wolfSSL/Docs-wolfssl-changelog.html
- https://security-tracker.debian.org/tracker/CVE-2015-7744
- https://people.redhat.com/~fweimer/rsa-crt-leaks.pdf
- https://securityblog.redhat.com/2015/09/02/factoring-rsa-keys-with-tls-perfect-forward-secrecy/
- http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00015.html
- http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00016.html
- http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html
- http://www.oracle.com/technetwork/topics/security/cpujan2016-2367955.html
- http://www.securitytracker.com/id/1034708