Ubuntu 16.04 LTS / 17.04 / 17.10 : openssl vulnerabilities (USN-3512-1)
medium Nessus Plugin ID 105173
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Synopsis
The remote Ubuntu host is missing a security-related patch.Description
David Benjamin discovered that OpenSSL did not correctly prevent buggy applications that ignore handshake errors from subsequently calling certain functions. (CVE-2017-3737)It was discovered that OpenSSL incorrectly performed the x86_64 Montgomery multiplication procedure. While unlikely, a remote attacker could possibly use this issue to recover private keys. (CVE-2017-3738).
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.
Solution
Update the affected libssl1.0.0 package.See Also
Plugin Details
Severity: Medium
ID: 105173
File Name: ubuntu_USN-3512-1.nasl
Version: 3.12
Type: local
Agent: unix
Family: Ubuntu Local Security Checks
Published: 12/12/2017
Updated: 1/12/2023
Supported Sensors: Agentless Assessment, Frictionless Assessment Agent, Frictionless Assessment AWS, Frictionless Assessment Azure, Nessus Agent
Risk Information
VPR
Risk Factor: Medium
Score: 4.4
CVSS v2
Risk Factor: Medium
Base Score: 4.3
Temporal Score: 3.2
Vector: AV:N/AC:M/Au:N/C:P/I:N/A:N
Temporal Vector: E:U/RL:OF/RC:C
CVSS v3
Risk Factor: Medium
Base Score: 5.9
Temporal Score: 5.2
Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
Temporal Vector: E:U/RL:O/RC:C
Vulnerability Information
CPE: p-cpe:/a:canonical:ubuntu_linux:libssl1.0.0, cpe:/o:canonical:ubuntu_linux:16.04, cpe:/o:canonical:ubuntu_linux:17.04, cpe:/o:canonical:ubuntu_linux:17.10
Required KB Items: Host/cpu, Host/Ubuntu, Host/Ubuntu/release, Host/Debian/dpkg-l
Exploit Ease: No known exploits are available
Patch Publication Date: 12/11/2017
Vulnerability Publication Date: 12/7/2017
Reference Information
CVE: CVE-2017-3737, CVE-2017-3738
USN: 3512-1