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CVE

CWE

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CVE-2018-16868

Published: Dec 3, 2018

Modified: Aug 5, 2024

PUBLISHED

CVSS v3.0

4.7

MEDIUM

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.

Vendor	Product	Versions
[UNKNOWN]	gnutls	affected `n/a`

Weaknesses (CWE)

CVSS v3.0 Details

CVSS v3.0 Vector

CVSS:3.0/AV:P/AC:H/PR:H/UI:N/S:C/C:H/I:N/A:N

Attack Vector

Physical

Attack Complexity

High

Privileges Required

High

User Interaction

None

Scope

Changed

Confidentiality

High

Integrity

None

Availability

None

References

vdb-entry

x_refsource_BID

openSUSE-SU-2019:1353

vendor-advisory

x_refsource_SUSE

openSUSE-SU-2019:1477

vendor-advisory

x_refsource_SUSE

http://cat.eyalro.net/

x_refsource_MISC

https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16868

x_refsource_CONFIRM

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