CVE-2016-7942

The XGetImage function in X.org libX11 before 1.6.4 might allow remote X servers to gain privileges via vectors involving image type and geometry, which triggers out-of-bounds read operations.

CVSS v3.0 9.8 CRITICAL
CVSS v2.0 7.5 HIGH

9.8^/10

CVSS v3.0 : CRITICAL

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

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

7.5^/10

CVSS v2.0 : HIGH

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

Exploitability : 10.0 / Impact : 6.4

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
http://www.securitytracker.com/id/1036945	Third Party Advisory VDB Entry
https://cgit.freedesktop.org/xorg/lib/libX11/commit/?id=8ea762f94f4c942d898fdeb590a1630c83235c17	Issue Tracking Patch
http://www.openwall.com/lists/oss-security/2016/10/04/2	Mailing List Third Party Advisory
http://www.openwall.com/lists/oss-security/2016/10/04/4	Mailing List Patch Third Party Advisory
http://www.securityfocus.com/bid/93363	Third Party Advisory VDB Entry
https://lists.x.org/archives/xorg-announce/2016-October/002720.html	Vendor Advisory
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/GMCVDXMFPXR7QGMKDG22WPPJCXH2X3L7/	Third Party Advisory
https://security.gentoo.org/glsa/201704-03
https://usn.ubuntu.com/3758-2/
https://usn.ubuntu.com/3758-1/

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Configurations

Configuration 1 (hide)

cpe:2.3:o:fedoraproject:fedora:25:*:*:*:*:*:*:*

Configuration 2 (hide)

cpe:2.3:a:x.org:libx11:*:*:*:*:*:*:*:*

Information

Published : 2016-12-13 12:59

Updated : 2018-09-13 03:29

NVD link : CVE-2016-7942

Mitre link : CVE-2016-7942

JSON object : View

CWE

CWE-787

Out-of-bounds Write

CWE-264

Permissions, Privileges, and Access Controls

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Products Affected

fedoraproject

fedora

x.org

libx11

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