Out-of-bounds read in QEMU - CVE-2018-18849
Published: December 17, 2018
Vulnerability identifier: #VU16555
CSH Severity: Low
CVSS v4: 7.1 [CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2018-18849
CWE-ID: CWE-125
Exploitation vector: Adjecent network
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows an adjacent attacker to cause DoS condition on the target system.
The vulnerability exists due to message length value in 'msg_len' could be invalid due to an invalid migration stream while writing a message in 'lsi_do_msgin'. An adjacent attacker can trigger out-of-bounds read and cause the service to crash.
Affected software
QEMU
Opensuse
Fedora
qemu
Opensuse
Fedora
qemu
How to mitigate CVE-2018-18849
Install update from vendor's website.
qemu - update to 3.0.0-2.fc29