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Linux Distros Unpatched Vulnerability : CVE-2016-0702

medium Nessus Plugin ID 219161

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Synopsis

The Linux/Unix host has one or more packages installed with a vulnerability that the vendor indicates will not be patched.

Description

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available.

 - The MOD_EXP_CTIME_COPY_FROM_PREBUF function in crypto/bn/bn_exp.c in OpenSSL 1.0.1 before 1.0.1s and 1.0.2 before 1.0.2g does not properly consider cache-bank access times during modular exponentiation, which makes it easier for local users to discover RSA keys by running a crafted application on the same Intel Sandy Bridge CPU core as a victim and leveraging cache-bank conflicts, aka a CacheBleed attack.
 (CVE-2016-0702)

Note that Nessus relies on the presence of the package as reported by the vendor.

Solution

There is no known solution at this time.

See Also

https://access.redhat.com/security/cve/cve-2016-0702

Plugin Details

Severity: Medium

ID: 219161

File Name: unpatched_CVE_2016_0702.nasl

Version: 1.2

Type: local

Agent: unix

Family: Misc.

Published: 3/4/2025

Updated: 8/21/2025

Supported Sensors: Agentless Assessment, Frictionless Assessment Agent, Frictionless Assessment AWS, Frictionless Assessment Azure, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 4.4

CVSS v2

Risk Factor: Low

Base Score: 1.9

Temporal Score: 1.4

Vector: CVSS2#AV:L/AC:M/Au:N/C:P/I:N/A:N

CVSS Score Source: CVE-2016-0702

CVSS v3

Risk Factor: Medium

Base Score: 5.1

Temporal Score: 4.5

Vector: CVSS:3.0/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:redhat:enterprise_linux:openssl097a, cpe:/o:redhat:enterprise_linux:5, cpe:/o:centos:centos:7, p-cpe:/a:redhat:enterprise_linux:openssl, p-cpe:/a:centos:centos:openssl, cpe:/o:redhat:enterprise_linux:7, p-cpe:/a:redhat:enterprise_linux:openssl098e, cpe:/o:redhat:rhel_eus:6.7, p-cpe:/a:centos:centos:openssl097a, p-cpe:/a:redhat:enterprise_linux:rhel-guest-image, cpe:/o:redhat:rhel_eus:7.2, p-cpe:/a:centos:centos:openssl098e, p-cpe:/a:redhat:enterprise_linux:guest-images, p-cpe:/a:centos:centos:rhel-guest-image, cpe:/o:redhat:enterprise_linux:6, p-cpe:/a:centos:centos:guest-images

Required KB Items: Host/OS/identifier, Host/cpu, Host/local_checks_enabled, global_settings/vendor_unpatched

Exploit Ease: No known exploits are available

Vulnerability Publication Date: 2/29/2016

Reference Information

CVE: CVE-2016-0702