Ubuntu 14.04 LTS / 16.04 LTS / 17.04 / 17.10 : openssl vulnerabilities (USN-3475-1)
Medium Nessus Plugin ID 104432
SynopsisThe remote Ubuntu host is missing a security-related patch.
DescriptionIt was discovered that OpenSSL incorrectly parsed the IPAddressFamily extension in X.509 certificates, resulting in an erroneous display of the certificate in text format. (CVE-2017-3735)
It was discovered that OpenSSL incorrectly performed the x86_64 Montgomery squaring procedure. While unlikely, a remote attacker could possibly use this issue to recover private keys. This issue only applied to Ubuntu 16.04 LTS, Ubuntu 16.10 and Ubuntu 17.04.
Note that Tenable Network Security has extracted the preceding description block directly from the Ubuntu security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.
SolutionUpdate the affected libssl1.0.0 package.