CVE-2018-12617
- Source
- https://nvd.nist.gov/vuln/detail/CVE-2018-12617
- Import Source
- https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2018-12617.json
- JSON Data
- https://api.test.osv.dev/v1/vulns/CVE-2018-12617
- Downstream
- Related
- Published
- 2018-06-21T18:29:00Z
- Modified
- 2025-08-09T20:01:27Z
- Severity
-
- 7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
- Summary
- [none]
- Details
-
qmpguestfileread 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 gmalloc0() 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.
- References
-
- http://www.securityfocus.com/bid/104531
- https://gist.github.com/fakhrizulkifli/c7740d28efa07dafee66d4da5d857ef6
- https://lists.debian.org/debian-lts-announce/2019/02/msg00041.html
- https://lists.gnu.org/archive/html/qemu-devel/2018-06/msg03385.html
- https://seclists.org/bugtraq/2019/May/76
- https://usn.ubuntu.com/3826-1/
- https://www.debian.org/security/2019/dsa-4454
- https://www.exploit-db.com/exploits/44925/