CVE-2018-10845

Impact:
Moderate
Public Date:
2018-08-21
CWE:
CWE-385
Bugzilla:
1582572: CVE-2018-10845 gnutls: HMAC-SHA-384 vulnerable to Lucky thirteen attack due to use of wrong constant
It was found that GnuTLS's implementation of HMAC-SHA-384 was vulnerable to a Lucky Thirteen-style attack. A remote attacker could use this flaw to conduct distinguishing attacks and plain text recovery attacks via statistical analysis of timing data using crafted packets.

Find out more about CVE-2018-10845 from the MITRE CVE dictionary dictionary and NIST NVD.

Statement

Red Hat Enterprise Linux 5:
This vulnerability has been rated as having a security impact of Moderate. After evaluation and in accordance with the criteria noted in the product support life cycle, there are no plans to address this issue in an upcoming release. Please contact Red Hat Support for further information.

Red Hat Enterprise Linux 6:
This vulnerability has been rated as having a security impact of Moderate. After evaluation and in accordance with the criteria noted in the product support life cycle, there are no plans to address this issue in an upcoming release. Please contact Red Hat Support for further information.

Red Hat Enterprise Linux 8:
This vulnerability has been rated as having a security impact of Moderate. After evaluation and in accordance with the criteria noted in the product support life cycle, there are no plans to address this issue in an upcoming release. Please contact Red Hat Support for further information.

CVSS v3 metrics

CVSS3 Base Score 5.9
CVSS3 Base Metrics CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
Attack Vector Network
Attack Complexity High
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality High
Integrity Impact None
Availability Impact None

Red Hat Security Errata

Platform Errata Release Date
Red Hat Enterprise Linux 7 (gnutls) RHSA-2018:3050 2018-10-30

Affected Packages State

Platform Package State
Red Hat Enterprise Linux 8 gnutls Not affected
Red Hat Enterprise Linux 8 mingw-gnutls Will not fix
Red Hat Enterprise Linux 6 gnutls Will not fix
Red Hat Enterprise Linux 5 gnutls Will not fix
Unless explicitly stated as not affected, all previous versions of packages in any minor update stream of a product listed here should be assumed vulnerable, although may not have been subject to full analysis.

External References

Last Modified