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CVE-2016-0702

CVE information

Published

8 years ago

Last Modified

5 months ago

CVSSv2.0 Severity

Low

CVSSv3.1 Severity

Medium

Impact Analysis

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Description

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..

CVSSv2.0 Score

Severity
Low
Base Score
1.9/10
Exploit Score
3.4/10
Access Vector
Local
Access Complexity
Medium
Authentication Required
None
Impact Score
2.9/10
Confidentiality Impact
Partial
Availability Impact
None
Integrity Impact
None

CVSSv3.1 Score

Severity
Medium
Base Score
5.1/10
Exploit Score
1.4/10
Access Vector
Local
Access Complexity
High
Privileges Required
None
Impact Score
3.6/10
Confidentiality Impact
High
Availability Impact
None
Integrity Impact
None
Scope
Unchanged
User Interaction
None

Products Affected

CPE Affected Vulnerable Excluding Edit
cpe:2.3:a:openssl:openssl:1.0.1m:*:*:*:*:*:*:*
  Yes
- -
cpe:2.3:a:openssl:openssl:1.0.2a:*:*:*:*:*:*:*
  Yes
- -
cpe:2.3:a:openssl:openssl:1.0.1j:*:*:*:*:*:*:*
  Yes
- -
cpe:2.3:a:openssl:openssl:1.0.1:beta2:*:*:*:*:*:*
  Yes
- -
cpe:2.3:a:openssl:openssl:1.0.1h:*:*:*:*:*:*:*
  Yes
- -
cpe:2.3:a:openssl:openssl:1.0.2e:*:*:*:*:*:*:*
  Yes
- -
cpe:2.3:a:openssl:openssl:1.0.1r:*:*:*:*:*:*:*
  Yes
- -
cpe:2.3:a:openssl:openssl:1.0.2b:*:*:*:*:*:*:*
  Yes
- -
cpe:2.3:a:openssl:openssl:1.0.1c:*:*:*:*:*:*:*
  Yes
- -
cpe:2.3:a:openssl:openssl:1.0.1g:*:*:*:*:*:*:*
  Yes
- -
cpe:2.3:a:openssl:openssl:1.0.1:beta3:*:*:*:*:*:*
  Yes
- -
cpe:2.3:a:openssl:openssl:1.0.1a:*:*:*:*:*:*:*
  Yes
- -
cpe:2.3:a:openssl:openssl:1.0.1:beta1:*:*:*:*:*:*
  Yes
- -
cpe:2.3:a:openssl:openssl:1.0.1d:*:*:*:*:*:*:*
  Yes
- -
cpe:2.3:a:openssl:openssl:1.0.2c:*:*:*:*:*:*:*
  Yes
- -
cpe:2.3:a:openssl:openssl:1.0.2:beta3:*:*:*:*:*:*
  Yes
- -
cpe:2.3:a:openssl:openssl:1.0.1p:*:*:*:*:*:*:*
  Yes
- -
cpe:2.3:a:openssl:openssl:1.0.2:beta1:*:*:*:*:*:*
  Yes
- -
cpe:2.3:a:openssl:openssl:1.0.1k:*:*:*:*:*:*:*
  Yes
- -
cpe:2.3:a:openssl:openssl:1.0.1b:*:*:*:*:*:*:*
  Yes
- -
cpe:2.3:a:openssl:openssl:1.0.1n:*:*:*:*:*:*:*
  Yes
- -
cpe:2.3:a:openssl:openssl:1.0.1q:*:*:*:*:*:*:*
  Yes
- -
cpe:2.3:a:openssl:openssl:1.0.1e:*:*:*:*:*:*:*
  Yes
- -
cpe:2.3:a:openssl:openssl:1.0.1l:*:*:*:*:*:*:*
  Yes
- -
cpe:2.3:a:openssl:openssl:1.0.1f:*:*:*:*:*:*:*
  Yes
- -
cpe:2.3:a:openssl:openssl:1.0.1o:*:*:*:*:*:*:*
  Yes
- -
cpe:2.3:a:openssl:openssl:1.0.2:*:*:*:*:*:*:*
  Yes
- -
cpe:2.3:a:openssl:openssl:1.0.2f:*:*:*:*:*:*:*
  Yes
- -
cpe:2.3:a:openssl:openssl:1.0.1i:*:*:*:*:*:*:*
  Yes
- -
cpe:2.3:a:openssl:openssl:1.0.2:beta2:*:*:*:*:*:*
  Yes
- -
cpe:2.3:a:openssl:openssl:1.0.1:*:*:*:*:*:*:*
  Yes
- -
cpe:2.3:a:openssl:openssl:1.0.2d:*:*:*:*:*:*:*
  Yes
- -
cpe:2.3:a:nodejs:node.js:*:*:*:*:-:*:*:*
  Yes
4.0.0 -
cpe:2.3:a:nodejs:node.js:*:*:*:*:lts:*:*:*
  Yes
4.2.0 4.3.2
cpe:2.3:a:nodejs:node.js:*:*:*:*:-:*:*:*
  Yes
5.0.0 5.7.1
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
  Yes
- -
cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:*
  Yes
- -
cpe:2.3:o:canonical:ubuntu_linux:15.10:*:*:*:*:*:*:*
  Yes
- -
cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:*
  Yes
- -
cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:-:*:*:*
  Yes
- -

References