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cve[email protected]CVE-2018-16869
HistoryDec 03, 2018 - 2:29 p.m.

CVE-2018-16869

2018-12-0314:29:00
CWE-203
web.nvd.nist.gov
123
cve-2018-16869
bleichenbacher
side-channel
padding oracle
nettle
rsa
pkcs#1
tls
nvd

5.7 Medium

CVSS3

Attack Vector

PHYSICAL

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

LOW

Availability Impact

NONE

CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:C/C:H/I:L/A:N

5.3 Medium

AI Score

Confidence

High

3.3 Low

CVSS2

Access Vector

LOCAL

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

NONE

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

0.001 Low

EPSS

Percentile

35.6%

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

5.7 Medium

CVSS3

Attack Vector

PHYSICAL

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

LOW

Availability Impact

NONE

CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:C/C:H/I:L/A:N

5.3 Medium

AI Score

Confidence

High

3.3 Low

CVSS2

Access Vector

LOCAL

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

NONE

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

0.001 Low

EPSS

Percentile

35.6%