CVE-2018-12617
qmp_guest_file_read in qga/commands-posix.c and qga/commands-win32.c in qemu-ga (aka QEMU Guest Agent) in QEMU 2.12.50 h
qmp_guest_file_read in qga/commands-posix.c and qga/commands-win32.c in qemu-ga (aka QEMU Guest Agent) in QEMU 2.12.50 has an integer overflow causing a g_malloc0() call to trigger a segmentation fault when trying to allocate a large memory chunk. The vulnerability can be exploited by sending a crafted QMP command (including guest-file-read with a large count value) to the agent via the listening socket.
HIGH · CVSS 7.5
EPSS 0.11739
Act now
- EPSS ≥ 0.10 - elevated exploitation probability
- EPSS percentile: top 6% of all CVEs by exploitation likelihood
- Public exploit or PoC is available
- CVSS base score ≥ 7.0
Sigma rules1
YARA rules0