Risk | High |
Patch available | YES |
Number of vulnerabilities | 1 |
CVE-ID | CVE-2016-7942 |
CWE-ID | CWE-264 |
Exploitation vector | Network |
Public exploit | N/A |
Vulnerable software |
libx11 Other software / Other software solutions |
Vendor | xorg.freedesktop.org |
Security Bulletin
This security bulletin contains one high risk vulnerability.
EUVDB-ID: #VU32226
Risk: High
CVSSv4.0: 8.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]
CVE-ID: CVE-2016-7942
CWE-ID:
CWE-264 - Permissions, Privileges, and Access Controls
Exploit availability: No
DescriptionThe vulnerability allows a remote non-authenticated attacker to execute arbitrary code.
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.
MitigationInstall update from vendor's website.
Vulnerable software versionslibx11: 1.6.0 - 1.6.3
CPE2.3https://www.openwall.com/lists/oss-security/2016/10/04/2
https://www.openwall.com/lists/oss-security/2016/10/04/4
https://www.securityfocus.com/bid/93363
https://www.securitytracker.com/id/1036945
https://cgit.freedesktop.org/xorg/lib/libX11/commit/?id=8ea762f94f4c942d898fdeb590a1630c83235c17
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/GMCVDXMFPXR7QGMKDG22WPPJCXH2X3L7/
https://lists.x.org/archives/xorg-announce/2016-October/002720.html
https://security.gentoo.org/glsa/201704-03
https://usn.ubuntu.com/3758-1/
https://usn.ubuntu.com/3758-2/
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.