CVE-2017-11434
MEDIUMCVSS 5.5/10EPSS 0.41%
Last modified
CVE-2017-11434 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. The dhcp_decode function in slirp/bootp.c in QEMU (aka Quick Emulator) allows local guest OS users to cause a denial of service (out-of-bounds read and QEMU process crash) via a crafted DHCP options string.. EPSS estimates a 0.41% chance of exploitation in the next 30 days.
Description
The dhcp_decode function in slirp/bootp.c in QEMU (aka Quick Emulator) allows local guest OS users to cause a denial of service (out-of-bounds read and QEMU process crash) via a crafted DHCP options string.
Metrics
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions | Update |
|---|---|---|---|
| Qemu | Qemu | <= 2.9.1 | — |
| Qemu | Qemu | 2.10.0 | Rc0 |
| Debian | Debian Linux | 8.0 | — |
| Debian | Debian Linux | 9.0 | — |
References
- http://www.debian.org/security/2017/dsa-3925Third Party Advisory
- http://www.openwall.com/lists/oss-security/2017/07/19/2Mailing List, Patch, Third Party Advisory
- http://www.securityfocus.com/bid/99923Third Party Advisory, VDB Entry
- https://bugzilla.redhat.com/show_bug.cgi?id=1472611Issue Tracking, Patch, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2018/09/msg00007.htmlThird Party Advisory
- https://lists.gnu.org/archive/html/qemu-devel/2017-07/msg05001.htmlIssue Tracking, Patch, Third Party Advisory
- http://www.debian.org/security/2017/dsa-3925Third Party Advisory
- http://www.openwall.com/lists/oss-security/2017/07/19/2Mailing List, Patch, Third Party Advisory
- http://www.securityfocus.com/bid/99923Third Party Advisory, VDB Entry
- https://bugzilla.redhat.com/show_bug.cgi?id=1472611Issue Tracking, Patch, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2018/09/msg00007.htmlThird Party Advisory
- https://lists.gnu.org/archive/html/qemu-devel/2017-07/msg05001.htmlIssue Tracking, Patch, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2017-11434?
The dhcp_decode function in slirp/bootp.c in QEMU (aka Quick Emulator) allows local guest OS users to cause a denial of service (out-of-bounds read and QEMU process crash) via a crafted DHCP options string.
How severe is CVE-2017-11434?
CVE-2017-11434 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 0.41% probability of exploitation in the next 30 days.
How do I fix CVE-2017-11434?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
Are you affected by CVE-2017-11434?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST