Integer overflow in QEMU - CVE-2017-5898
Published: May 10, 2018
Vulnerability identifier: #VU12554
CSH Severity: Low
CVSS v4: 4.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2017-5898
CWE-ID: CWE-190
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local attacker to cause DoS condition on the target system.
The weakness exists in the emulated_apdu_from_guest function in usb/dev-smartcard-reader.c due to integer overflow when built with the CCID Card device emulator support. A local attacker can cause the service to crash via a large Application Protocol Data Units (APDU) unit
The weakness exists in the emulated_apdu_from_guest function in usb/dev-smartcard-reader.c due to integer overflow when built with the CCID Card device emulator support. A local attacker can cause the service to crash via a large Application Protocol Data Units (APDU) unit
Affected software
QEMU
Gentoo Linux
SUSE Linux
qemu (Alpine package)
Gentoo Linux
SUSE Linux
qemu (Alpine package)
How to mitigate CVE-2017-5898
Install update from vendor's website.
qemu (Alpine package) - addressed in versions 2.8.1-r1, 2.8.1.1-r0