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ubuntucveUbuntu.comUB:CVE-2018-10845
HistoryAug 22, 2018 - 12:00 a.m.

CVE-2018-10845

2018-08-2200:00:00
ubuntu.com
ubuntu.com
10

5.9 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

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

4.3 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

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

0.006 Low

EPSS

Percentile

78.0%

It was found that the GnuTLS implementation of HMAC-SHA-384 was vulnerable
to a Lucky thirteen style attack. Remote attackers could use this flaw to
conduct distinguishing attacks and plain text recovery attacks via
statistical analysis of timing data using crafted packets.

Bugs

Notes

Author Note
mdeslaur same commits as listed in CVE-2018-10844
OSVersionArchitecturePackageVersionFilename
ubuntu14.04noarchgnutls26< anyUNKNOWN
ubuntu18.04noarchgnutls28< 3.5.18-1ubuntu1.1UNKNOWN
ubuntu16.04noarchgnutls28< 3.4.10-4ubuntu1.5UNKNOWN

5.9 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

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

4.3 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

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

0.006 Low

EPSS

Percentile

78.0%