Ubuntu.comUB:CVE-2018-12293CVE-2018-12293
6.8 Medium
CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:M/Au:N/C:P/I:P/A:P
8.8 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
0.599 Medium
EPSS
Percentile
97.8%
The getImageData function in the ImageBufferCairo class in
WebCore/platform/graphics/cairo/ImageBufferCairo.cpp in WebKit, as used in
WebKitGTK+ prior to version 2.20.3 and WPE WebKit prior to version 2.20.1,
is vulnerable to a heap-based buffer overflow triggered by an integer
overflow, which could be abused by crafted HTML content.
Notes
| Author | Note |
|---|---|
| jdstrand | webkit receives limited support. For details, see https://wiki.ubuntu.com/SecurityTeam/FAQ#webkit webkit in Ubuntu uses the JavaScriptCore (JSC) engine, not V8 |
| OS | Version | Architecture | Package | Version | Filename |
|---|---|---|---|---|---|
| ubuntu | 17.10 | noarch | webkit2gtk | < 2.20.3-0ubuntu0.17.10.1 | UNKNOWN |
| ubuntu | 18.04 | noarch | webkit2gtk | < 2.20.3-0ubuntu0.18.04.1 | UNKNOWN |
| ubuntu | 16.04 | noarch | webkit2gtk | < 2.20.3-0ubuntu0.16.04.1 | UNKNOWN |
Related
6.8 Medium
CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:M/Au:N/C:P/I:P/A:P
8.8 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
0.599 Medium
EPSS
Percentile
97.8%