Buffer overflow in Qemu
CVE-2017-2630
A stack buffer overflow flaw was found in the Quick Emulator (QEMU) before 2.9 built with the Network Block Device (NBD) client support. The flaw could occur while processing server's response to a 'NBD_OPT_LIST' request. A malicious NBD server could use this issue to crash a remote NBD client resulting in DoS or potentially execute arbitrary code on client host with privileges of the QEMU process.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.0/AV:N/AC:H/PR:H/UI:N/S:C/C:L/I:L/A:L.
EPSS exploit prediction
EPSS: 0.026 (85.0th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 85th percentile — 85.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.026 · newest: 0.026 · change: 0.000
Affected products
- Qemu
- Qemu Qemu: — versions 2.9
Weakness classification (CWE)
References
- access.redhat.com/errata/RHSA-2017:2392 (vendor-advisory, Third Party Advisory)
- www.securityfocus.com/bid/96265 (VDB Entry, Third Party Advisory, vdb-entry)
- security.gentoo.org/glsa/201704-01 (vendor-advisory, Third Party Advisory)
- www.openwall.com/lists/oss-security/2017/02/15/2 (mailing-list, Patch, Mailing List, Third Party Advisory)
- lists.gnu.org/archive/html/qemu-devel/2017-02/msg01246.html (mailing-list, Patch, Third Party Advisory)
- bugzilla.redhat.com/show_bug.cgi (Patch, Third Party Advisory, Issue Tracking)
- bugzilla.redhat.com/show_bug.cgi
- github.com/qemu/qemu/commit/2563c9c6b8670400c48e562034b321a7cf3d9a85
Frequently asked questions
- What is CVE-2017-2630?
- CVE-2017-2630 is a medium-severity vulnerability in Qemu, classified under Stack-based Buffer Overflow. CVSS score: 5.5/10. Published 2018-07-27.
- How severe is CVE-2017-2630?
- Medium severity. CVSS v3 base score is 5.5 out of 10.