Vulnerability Description
The qemu-nbd server in QEMU (aka Quick Emulator), when built with the Network Block Device (NBD) Server support, allows remote attackers to cause a denial of service (segmentation fault and server crash) by leveraging failure to ensure that all initialization occurs before talking to a client in the nbd_negotiate function.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Qemu | Qemu | <= 2.9.1 |
| Debian | Debian Linux | 9.0 |
Related Weaknesses (CWE)
References
- http://www.debian.org/security/2017/dsa-3925Third Party Advisory
- http://www.openwall.com/lists/oss-security/2017/06/12/1Mailing ListPatchThird Party Advisory
- http://www.securityfocus.com/bid/99011Third Party AdvisoryVDB Entry
- https://access.redhat.com/errata/RHSA-2017:1681Third Party Advisory
- https://access.redhat.com/errata/RHSA-2017:1682Third Party Advisory
- https://access.redhat.com/errata/RHSA-2017:2408Third Party Advisory
- https://lists.gnu.org/archive/html/qemu-devel/2017-05/msg06240.htmlPatchThird Party Advisory
- https://lists.gnu.org/archive/html/qemu-devel/2017-06/msg02321.htmlPatchThird Party Advisory
- http://www.debian.org/security/2017/dsa-3925Third Party Advisory
- http://www.openwall.com/lists/oss-security/2017/06/12/1Mailing ListPatchThird Party Advisory
- http://www.securityfocus.com/bid/99011Third Party AdvisoryVDB Entry
- https://access.redhat.com/errata/RHSA-2017:1681Third Party Advisory
- https://access.redhat.com/errata/RHSA-2017:1682Third Party Advisory
- https://access.redhat.com/errata/RHSA-2017:2408Third Party Advisory
- https://lists.gnu.org/archive/html/qemu-devel/2017-05/msg06240.htmlPatchThird Party Advisory
FAQ
What is CVE-2017-9524?
CVE-2017-9524 is a vulnerability with a CVSS score of 7.5 (HIGH). The qemu-nbd server in QEMU (aka Quick Emulator), when built with the Network Block Device (NBD) Server support, allows remote attackers to cause a denial of service (segmentation fault and server cra...
How severe is CVE-2017-9524?
CVE-2017-9524 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2017-9524?
Check the references section above for vendor advisories and patch information. Affected products include: Qemu Qemu, Debian Debian Linux.