Vulnerability Details : 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.
Vulnerability category: Denial of service
Products affected by CVE-2017-11434
- cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
- cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
- cpe:2.3:a:qemu:qemu:*:*:*:*:*:*:*:*
- cpe:2.3:a:qemu:qemu:2.10.0:rc0:*:*:*:*:*:*
- cpe:2.3:a:qemu:qemu:2.10.0:rc1:*:*:*:*:*:*
- cpe:2.3:a:qemu:qemu:2.10.0:rc2:*:*:*:*:*:*
- cpe:2.3:a:qemu:qemu:2.10.0:rc3:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2017-11434
0.06%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 25 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2017-11434
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
2.1
|
LOW | AV:L/AC:L/Au:N/C:N/I:N/A:P |
3.9
|
2.9
|
NIST | |
5.5
|
MEDIUM | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
1.8
|
3.6
|
NIST |
CWE ids for CVE-2017-11434
-
The product reads data past the end, or before the beginning, of the intended buffer.Assigned by: nvd@nist.gov (Primary)
References for CVE-2017-11434
-
http://www.debian.org/security/2017/dsa-3925
Debian -- Security Information -- DSA-3925-1 qemuThird Party Advisory
-
https://lists.debian.org/debian-lts-announce/2018/09/msg00007.html
[SECURITY] [DLA 1497-1] qemu security updateThird Party Advisory
-
https://bugzilla.redhat.com/show_bug.cgi?id=1472611
1472611 – (CVE-2017-11434) CVE-2017-11434 Qemu: slirp: out-of-bounds read while parsing dhcp optionsIssue Tracking;Patch;Third Party Advisory
-
https://lists.gnu.org/archive/html/qemu-devel/2017-07/msg05001.html
[Qemu-devel] [PATCH] slirp: check len against dhcp options array endIssue Tracking;Patch;Third Party Advisory
-
http://www.openwall.com/lists/oss-security/2017/07/19/2
oss-security - CVE-2017-11434 Qemu: slirp: out-of-bounds read while parsing dhcp optionsMailing List;Patch;Third Party Advisory
-
http://www.securityfocus.com/bid/99923
QEMU CVE-2017-11434 Out-of-Bounds Read VulnerabilityThird Party Advisory;VDB Entry
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