Vulnerability Monitor

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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.

Published

2017-07-25T18:29:01.057

Last Modified

2025-04-20T01:37:25.860

Status

Deferred

Source

[email protected]

Severity

CVSSv3.1: 5.5 (MEDIUM)

CVSSv2 Vector

AV:L/AC:L/Au:N/C:N/I:N/A:P

Access Vector: LOCAL
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: NONE
Integrity Impact: NONE
Availability Impact: PARTIAL

Exploitability Score

3.9

Impact Score

2.9

Weaknesses

Type: Primary
CWE-125

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	qemu	qemu	≤ 2.9.1	Yes
Application	qemu	qemu	2.10.0	Yes
Application	qemu	qemu	2.10.0	Yes
Application	qemu	qemu	2.10.0	Yes
Application	qemu	qemu	2.10.0	Yes
Operating System	debian	debian_linux	8.0	Yes
Operating System	debian	debian_linux	9.0	Yes

References

http://www.debian.org/security/2017/dsa-3925 Third Party Advisory ([email protected])
http://www.openwall.com/lists/oss-security/2017/07/19/2 Mailing List, Patch, Third Party Advisory ([email protected])
http://www.securityfocus.com/bid/99923 Third Party Advisory, VDB Entry ([email protected])
https://bugzilla.redhat.com/show_bug.cgi?id=1472611 Issue Tracking, Patch, Third Party Advisory ([email protected])
https://lists.debian.org/debian-lts-announce/2018/09/msg00007.html Third Party Advisory ([email protected])
https://lists.gnu.org/archive/html/qemu-devel/2017-07/msg05001.html Issue Tracking, Patch, Third Party Advisory ([email protected])
http://www.debian.org/security/2017/dsa-3925 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.openwall.com/lists/oss-security/2017/07/19/2 Mailing List, Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.securityfocus.com/bid/99923 Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)
https://bugzilla.redhat.com/show_bug.cgi?id=1472611 Issue Tracking, Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://lists.debian.org/debian-lts-announce/2018/09/msg00007.html Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://lists.gnu.org/archive/html/qemu-devel/2017-07/msg05001.html Issue Tracking, Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)