VulnerabilityModified

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 to discover a DSA private key via a timing side-channel attack.

MEDIUM 5.5EPSS 1.17%

Does this matter?

Lower severity and a low EPSS score (1.17%). Track it; it rarely justifies an emergency change on its own.

Description

CVSS 3.1: 5.5 MEDIUMCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
EPSS: 1.17% probability · 66th percentile
CISA KEV: Not listed
Weakness: CWE-203
Affected: openssl/openssl · oracle/linux · oracle/solaris · suse/linux enterprise · nodejs/node.js · debian/debian linux · canonical/ubuntu linux
Source: secalert@redhat.com

References

http://eprint.iacr.org/2016/594.pdfTechnical Description, Third Party Advisory
http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10759Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-09/msg00022.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-09/msg00023.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-09/msg00024.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-09/msg00031.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00005.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00011.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00012.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00013.htmlThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00021.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00029.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2017-10/msg00010.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2017-10/msg00011.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2018-02/msg00032.htmlMailing List, Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2016-1940.htmlThird Party Advisory
http://rhn.redhat.com/errata/RHSA-2016-2957.htmlThird Party Advisory
http://rhn.redhat.com/errata/RHSA-2017-1659.htmlThird Party Advisory
http://seclists.org/fulldisclosure/2017/Jul/31Mailing List, Third Party Advisory
http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160927-opensslThird Party Advisory
http://www-01.ibm.com/support/docview.wss?uid=swg21995039Third Party Advisory
http://www.debian.org/security/2016/dsa-3673Third Party Advisory
http://www.huawei.com/en/psirt/security-advisories/huawei-sa-20170322-01-openssl-enThird Party Advisory
http://www.openwall.com/lists/oss-security/2016/06/08/10Mailing List, Third Party Advisory
http://www.openwall.com/lists/oss-security/2016/06/08/11Mailing List, Third Party Advisory
http://www.openwall.com/lists/oss-security/2016/06/08/12Mailing List, Third Party Advisory
http://www.openwall.com/lists/oss-security/2016/06/08/2Mailing List, Patch, Third Party Advisory
http://www.openwall.com/lists/oss-security/2016/06/08/4Mailing List, Third Party Advisory
http://www.openwall.com/lists/oss-security/2016/06/08/5Mailing List, Third Party Advisory
http://www.openwall.com/lists/oss-security/2016/06/08/6Mailing List, Third Party Advisory

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.