National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2018-16868 Detail

Current Description

A Bleichenbacher type side-channel based padding oracle attack was found in the way gnutls handles verification of RSA decrypted PKCS#1 v1.5 data. An attacker who is able to run process on the same physical core as the victim process, could use this to extract plaintext or in some cases downgrade any TLS connections to a vulnerable server.

Source:  MITRE
Description Last Modified:  12/03/2018
View Analysis Description

Impact

CVSS v3.0 Severity and Metrics:

Base Score: 5.6 MEDIUM
Vector: AV:P/AC:H/PR:L/UI:N/S:C/C:H/I:L/A:N (V3 legend)
Impact Score: 4.7
Exploitability Score: 0.4


Attack Vector (AV): Physical
Attack Complexity (AC): High
Privileges Required (PR): Low
User Interaction (UI): None
Scope (S): Changed
Confidentiality (C): High
Integrity (I): Low
Availability (A): None

CVSS v2.0 Severity and Metrics:

Base Score: 3.3 LOW
Vector: (AV:L/AC:M/Au:N/C:P/I:P/A:N) (V2 legend)
Impact Subscore: 4.9
Exploitability Subscore: 3.4


Access Vector (AV): Local
Access Complexity (AC): Medium
Authentication (AU): None
Confidentiality (C): Partial
Integrity (I): Partial
Availability (A): None
Additional Information:
Allows unauthorized disclosure of information
Allows unauthorized modification

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://cat.eyalro.net/ Technical Description Third Party Advisory
http://www.securityfocus.com/bid/106080 Third Party Advisory VDB Entry
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16868 Issue Tracking Third Party Advisory

Technical Details

Vulnerability Type (View All)

Vulnerable software and versions Switch to CPE 2.2

Configuration 1
OR
cpe:2.3:a:gnu:gnutls:-:*:*:*:*:*:*:*

Denotes Vulnerable Software
Are we missing a CPE here? Please let us know.

Change History

2 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2018-16868
NVD Published Date:
12/03/2018
NVD Last Modified:
01/31/2019