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ubuntucveUbuntu.comUB:CVE-2017-18235
HistoryMar 15, 2018 - 12:00 a.m.

CVE-2017-18235

2018-03-1500:00:00
ubuntu.com
ubuntu.com
10

4.3 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

5.5 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

0.001 Low

EPSS

Percentile

37.4%

An issue was discovered in Exempi before 2.4.3. The VPXChunk class in
XMPFiles/source/FormatSupport/WEBP_Support.cpp does not ensure nonzero
widths and heights, which allows remote attackers to cause a denial of
service (assertion failure and application exit) via a crafted .webp file.

Bugs

Notes

Author Note
leosilva couldn’t reproduce in trusty, xenial, artful and bionic.
mdeslaur trusty and xenial have no WEBP support

4.3 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

5.5 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

0.001 Low

EPSS

Percentile

37.4%