Input validation error in QEMU - CVE-2015-8504
Published: April 11, 2017 / Updated: August 8, 2020
Vulnerability identifier: #VU39210
CSH Severity: Medium
CVSS v4: 6 [CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2015-8504
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote authenticated user to perform a denial of service (DoS) attack.
Qemu, when built with VNC display driver support, allows remote attackers to cause a denial of service (arithmetic exception and application crash) via crafted SetPixelFormat messages from a client.
Affected software
QEMU
Fedora
qemu
Fedora
qemu
How to mitigate CVE-2015-8504
Install update from vendor's website.
qemu - addressed in versions 2.3.1-9.fc22, 2.4.1-3.fc23
External References
- http://git.qemu-project.org/?p=qemu.git;a=commitdiff;h=4c65fed8bdf96780735dbdb92a8
- http://www.debian.org/security/2016/dsa-3469
- http://www.debian.org/security/2016/dsa-3470
- http://www.debian.org/security/2016/dsa-3471
- http://www.openwall.com/lists/oss-security/2015/12/08/7
- http://www.securityfocus.com/bid/78708
- https://bugzilla.redhat.com/show_bug.cgi?id=1289541
- https://security.gentoo.org/glsa/201602-01