Medium severity · published Jun 20, 2016
CVE-2016-2178
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…
5.5
CVSS
1.2%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.2% · higher than 69% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DL
Debian Linux · Debian
8.0 · source: NVD
LI
Linux · Oracle
5; 6; 7 · source: NVD
LE
Linux Enterprise · Suse
12.0 · source: NVD
NO
Node.js · Nodejs
0.10.0 before 0.10.47; 0.12.0 before 0.12.16; 4.0.0 through 4.1.2; 4.2.0 before 4.6.0; 5.0.0 before 6.7.0 · source: NVD
OP
Openssl · Openssl
1.0.1; 1.0.1a; 1.0.1b; 1.0.1c; 1.0.1d; 1.0.1e; +24 more · source: NVD
SO
Solaris · Oracle
10; 11.3 · source: NVD
UL
Ubuntu Linux · Canonical
12.04; 14.04; 16.04 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2016-2178
CVE.org
https://www.cve.org/CVERecord?id=CVE-2016-2178
Technical Description
http://eprint.iacr.org/2016/594.pdf
Third Party Advisory
http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10759
Mailing List
http://lists.opensuse.org/opensuse-security-announce/2016-09/msg00022.html
Mailing List
http://lists.opensuse.org/opensuse-security-announce/2016-09/msg00023.html
Mailing List
http://lists.opensuse.org/opensuse-security-announce/2016-09/msg00024.html
Mailing List
http://lists.opensuse.org/opensuse-security-announce/2016-09/msg00031.html
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