CVE-2018-16868

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.

CVSS v3.0 5.6 MEDIUM
CVSS v2.0 3.3 LOW

5.6^/10

CVSS v3.0 : MEDIUM

Vector :

Exploitability : 0.4 / Impact : 4.7

Attack Vector PHYSICAL

Attack Complexity HIGH

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact LOW

Availability Impact NONE

Scope CHANGED

3.3^/10

CVSS v2.0 : LOW

Vector : AV:L/AC:M/Au:N/C:P/I:P/A:N

Exploitability : 3.4 / Impact : 4.9

Access Vector LOCAL

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact NONE

References

Link	Resource
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16868	Issue Tracking Third Party Advisory
http://cat.eyalro.net/	Technical Description Third Party Advisory
http://www.securityfocus.com/bid/106080	Third Party Advisory VDB Entry
http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00017.html	Mailing List Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00068.html	Mailing List Third Party Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:gnu:gnutls:*:*:*:*:*:*:*:*

Information

Published : 2018-12-03 14:29

Updated : 2020-12-04 18:15

NVD link : CVE-2018-16868

Mitre link : CVE-2018-16868

JSON object : View

Products Affected

gnu

gnutls

CWE

CWE-203

Observable Discrepancy

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