Out-of-bounds read in QEMU - CVE-2018-18849
Published: December 17, 2018
Vulnerability identifier: #VU16555
CSH Severity: Low
CVSS v4.0: 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/E:U/U:Clear
CVE-ID: CVE-2018-18849
CWE-ID: CWE-125
Exploitation vector: Adjecent network
Exploit availability:
No public exploit available
Vendor: QEMU
Affected software:
QEMU
QEMU
Detailed vulnerability description
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.
How to mitigate CVE-2018-18849
Install update from vendor's website.