CVE-2016-2178

MEDIUM

5.5

CVSS Score

Published: June 20, 2016 at 12:00 AM UTC

Updated: June 17, 2026 at 12:43 AM UTC

7 products affected across 6 vendorsDebian LinuxUbuntu LinuxSolaris

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Severity

MEDIUM5.5

Exploit prediction

EPSS 1%

Description

The dsa_sign_setup function in crypto/dsa/dsa_ossl.c in OpenSSL through 1.0.2h does not properly ensure the use of constant-time operations, which makes it easier for local users to discover a DSA private key via a timing side-channel attack.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Ubuntu Linux · Canonicalrubygems

95%

12.04 14.04 16.04

Debian Linux · Debiandrupal

95%

8.0

Node.js · Node.js

95%

0.10.0 ≤ v < 0.10.470.12.0 ≤ v < 0.12.164.0.0 ≤ v ≤ 4.1.24.2.0 ≤ v < 4.6.05.0.0 ≤ v < 6.7.0

Affected range stops below 0.10.47, so it looks safe — our inference, not a vendor statement

Affected range stops below 0.12.16, so it looks safe — our inference, not a vendor statement

Affected range stops below 4.6.0, so it looks safe — our inference, not a vendor statement

Affected range stops below 6.7.0, so it looks safe — our inference, not a vendor statement

OpenSSL · OpenSSL

95%

1.0.1 1.0.1a 1.0.1b 1.0.1c 1.0.1d 1.0.1e 1.0.1f 1.0.1g 1.0.1h 1.0.1i 1.0.1j 1.0.1k 1.0.1l 1.0.1m 1.0.1n 1.0.1o 1.0.1p 1.0.1q 1.0.1r 1.0.1s 1.0.1t 1.0.2 1.0.2a 1.0.2b 1.0.2c 1.0.2d 1.0.2e 1.0.2f 1.0.2g 1.0.2h

Linux · Oracledrupal

95%

5 6 7

Solaris · Oraclerubygems

95%

10 11.3

Linux Enterprise · SUSE

95%

12.0

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (69)

Technical DescriptionThird Party Advisory

Source: [email protected]

http://eprint.iacr.org/2016/594.pdf

Third Party Advisory

Source: [email protected]

http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10759