MEDIUM
CVE-2017-11434
CWE-125Published: July 25, 2017· Updated: Jun 17, 2026
5.5
CVSS v3.1
Official 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.
Technical Analysis
CVE-2017-11434 requires local access, meaning attackers must already have a foothold on the target system.
Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.
A successful exploit results in availability disruption (denial of service), with a CVSS base score of 5.5.
CVSS v3.1 Vector Breakdown
Exploitability
Attack VectorLocal
Attack ComplexityLow
Privileges Req.Low
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityNone
IntegrityNone
AvailabilityHigh
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Affected Vendors & Products
Exploit & PoC Resources
NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.
Official Patches & Advisories
All References (12)
→
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
Quick Facts
CVE IDCVE-2017-11434
CVSS Score5.5 / 10
SeverityMEDIUM
WeaknessCWE-125
CISA KEVNo
Affected2 vendor(s)
PublishedJul 25, 2017
Related CVEs (CWE-125)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2017-11434 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.