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ubuntucveUbuntu.comUB:CVE-2019-14513
HistoryAug 01, 2019 - 12:00 a.m.

CVE-2019-14513

2019-08-0100:00:00
ubuntu.com
ubuntu.com
12

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

5 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

0.001 Low

EPSS

Percentile

42.4%

JSON

Improper bounds checking in Dnsmasq before 2.76 allows an attacker
controlled DNS server to send large DNS packets that result in a read
operation beyond the buffer allocated for the packet, a different
vulnerability than CVE-2017-14491.

Notes

Author Note
msalvatore The vulnerability writeup states, “The git commit affected is this one and before: 15379ea1f252d1f53c5d93ae970b22dedb233642”. This commit, therefore, may resolve the issue: http://thekelleys.org.uk/gitweb/?p=dnsmasq.git;a=patch;h=d3a8b39c7df2f0debf3b5f274a1c37a9e261f94e
mdeslaur can’t reproduce on xenial, probably not a DoS issue
OSVersionArchitecturePackageVersionFilename
ubuntu14.04noarchdnsmasq< anyUNKNOWN
ubuntu16.04noarchdnsmasq< 2.75-1ubuntu0.16.04.10UNKNOWN

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7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

5 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

0.001 Low

EPSS

Percentile

42.4%

JSON
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