CVE-2015-1779

The VNC websocket frame decoder in QEMU allows remote attackers to cause a denial of service (memory and CPU consumption) via a large (1) websocket payload or (2) HTTP headers section.

CVSS v3 8.6 HIGH
CVSS v2.0 7.8 HIGH

8.6^/10

CVSS v3 : HIGH

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 4.0

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope CHANGED

7.8^/10

CVSS v2.0 : HIGH

V2 Legend

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

Exploitability : 10.0 / Impact : 6.9

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact COMPLETE

References

Link	Resource
http://lists.fedoraproject.org/pipermail/package-announce/2015-April/154656.html	Third Party Advisory
http://lists.fedoraproject.org/pipermail/package-announce/2015-April/155196.html	Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2015-05/msg00033.html	Broken Link
http://lists.opensuse.org/opensuse-security-announce/2015-05/msg00042.html	Broken Link
http://rhn.redhat.com/errata/RHSA-2015-1931.html	Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2015-1943.html	Third Party Advisory
http://www.debian.org/security/2015/dsa-3259	Third Party Advisory
http://www.openwall.com/lists/oss-security/2015/03/24/9	Mailing List Third Party Advisory
http://www.openwall.com/lists/oss-security/2015/04/09/6	Mailing List Third Party Advisory
http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html	Third Party Advisory
http://www.securityfocus.com/bid/73303	Third Party Advisory VDB Entry
http://www.securitytracker.com/id/1033975	Third Party Advisory VDB Entry
http://www.ubuntu.com/usn/USN-2608-1	Third Party Advisory
https://lists.gnu.org/archive/html/qemu-devel/2015-03/msg04894.html	Mailing List Third Party Advisory
https://lists.gnu.org/archive/html/qemu-devel/2015-03/msg04895.html	Mailing List Patch Third Party Advisory
https://lists.gnu.org/archive/html/qemu-devel/2015-03/msg04896.html	Mailing List Patch Third Party Advisory
https://security.gentoo.org/glsa/201602-01	Third Party Advisory
http://lists.fedoraproject.org/pipermail/package-announce/2015-April/154656.html	Third Party Advisory
http://lists.fedoraproject.org/pipermail/package-announce/2015-April/155196.html	Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2015-05/msg00033.html	Broken Link
http://lists.opensuse.org/opensuse-security-announce/2015-05/msg00042.html	Broken Link
http://rhn.redhat.com/errata/RHSA-2015-1931.html	Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2015-1943.html	Third Party Advisory
http://www.debian.org/security/2015/dsa-3259	Third Party Advisory
http://www.openwall.com/lists/oss-security/2015/03/24/9	Mailing List Third Party Advisory
http://www.openwall.com/lists/oss-security/2015/04/09/6	Mailing List Third Party Advisory
http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html	Third Party Advisory
http://www.securityfocus.com/bid/73303	Third Party Advisory VDB Entry
http://www.securitytracker.com/id/1033975	Third Party Advisory VDB Entry
http://www.ubuntu.com/usn/USN-2608-1	Third Party Advisory
https://lists.gnu.org/archive/html/qemu-devel/2015-03/msg04894.html	Mailing List Third Party Advisory
https://lists.gnu.org/archive/html/qemu-devel/2015-03/msg04895.html	Mailing List Patch Third Party Advisory
https://lists.gnu.org/archive/html/qemu-devel/2015-03/msg04896.html	Mailing List Patch Third Party Advisory
https://security.gentoo.org/glsa/201602-01	Third Party Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:qemu:qemu::::::::
	cpe:2.3:a:qemu:qemu:2.3.0:rc0::::::
	cpe:2.3:a:qemu:qemu:2.3.0:rc1::::::

Configuration 2 (hide)

OR	cpe:2.3:o:canonical:ubuntu_linux:12.04::::esm:::
	cpe:2.3:o:canonical:ubuntu_linux:14.04::::esm:::
	cpe:2.3:o:canonical:ubuntu_linux:14.10:::::::*
	cpe:2.3:o:canonical:ubuntu_linux:15.04:::::::*

Configuration 3 (hide)

OR	cpe:2.3:o:debian:debian_linux:7.0:::::::*
	cpe:2.3:o:debian:debian_linux:8.0:::::::*

Configuration 4 (hide)

OR	cpe:2.3:o:fedoraproject:fedora:21:::::::*
	cpe:2.3:o:fedoraproject:fedora:22:::::::*

Configuration 5 (hide)

OR	cpe:2.3:o:redhat:enterprise_linux_eus:7.1:::::::*
	cpe:2.3:o:redhat:enterprise_linux_eus:7.2:::::::*
	cpe:2.3:o:redhat:enterprise_linux_eus:7.3:::::::*
	cpe:2.3:o:redhat:enterprise_linux_eus:7.4:::::::*
	cpe:2.3:o:redhat:enterprise_linux_eus:7.5:::::::*
	cpe:2.3:o:redhat:enterprise_linux_eus:7.6:::::::*
	cpe:2.3:o:redhat:enterprise_linux_eus:7.7:::::::*
	cpe:2.3:o:redhat:enterprise_linux_server:7.0:::::::*
	cpe:2.3:o:redhat:enterprise_linux_server_aus:7.3:::::::*
	cpe:2.3:o:redhat:enterprise_linux_server_aus:7.4:::::::*
	cpe:2.3:o:redhat:enterprise_linux_server_aus:7.6:::::::*
	cpe:2.3:o:redhat:enterprise_linux_server_aus:7.7:::::::*
	cpe:2.3:o:redhat:enterprise_linux_server_tus:7.3:::::::*
	cpe:2.3:o:redhat:enterprise_linux_server_tus:7.6:::::::*
	cpe:2.3:o:redhat:enterprise_linux_server_tus:7.7:::::::*
	cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:::::::*

Configuration 6 (hide)

AND

cpe:2.3:a:redhat:virtualization:3.0:*:*:*:*:*:*:*

cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*

Configuration 7 (hide)

cpe:2.3:o:oracle:linux:7:-:*:*:*:*:*:*

History

21 Nov 2024, 02:26

Information

Published : 2016-01-12 19:59

Updated : 2025-04-12 10:46

NVD link : CVE-2015-1779

Mitre link : CVE-2015-1779

CVE.ORG link : CVE-2015-1779

JSON object : View

Products Affected

redhat

enterprise_linux_server
enterprise_linux_server_aus
enterprise_linux
enterprise_linux_server_tus
virtualization
enterprise_linux_workstation
enterprise_linux_eus

canonical

ubuntu_linux

qemu

qemu

debian

debian_linux

fedoraproject

fedora

oracle

linux

CWE

CWE-400

Uncontrolled Resource Consumption

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"confidentialityImpact": "NONE"}, "impactScore": 4.0, "exploitabilityScore": 3.9}]}, "published": "2016-01-12T19:59:00.110", "references": [{"url": "http://lists.fedoraproject.org/pipermail/package-announce/2015-April/154656.html", "tags": ["Third Party Advisory"], "source": "secalert@redhat.com"}, {"url": "http://lists.fedoraproject.org/pipermail/package-announce/2015-April/155196.html", "tags": ["Third Party Advisory"], "source": "secalert@redhat.com"}, {"url": "http://lists.opensuse.org/opensuse-security-announce/2015-05/msg00033.html", "tags": ["Broken Link"], "source": "secalert@redhat.com"}, {"url": "http://lists.opensuse.org/opensuse-security-announce/2015-05/msg00042.html", "tags": ["Broken Link"], "source": "secalert@redhat.com"}, {"url": "http://rhn.redhat.com/errata/RHSA-2015-1931.html", "tags": ["Third Party Advisory"], "source": "secalert@redhat.com"}, {"url": "http://rhn.redhat.com/errata/RHSA-2015-1943.html", "tags": ["Third Party Advisory"], "source": 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"http://lists.opensuse.org/opensuse-security-announce/2015-05/msg00033.html", "tags": ["Broken Link"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://lists.opensuse.org/opensuse-security-announce/2015-05/msg00042.html", "tags": ["Broken Link"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://rhn.redhat.com/errata/RHSA-2015-1931.html", "tags": ["Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://rhn.redhat.com/errata/RHSA-2015-1943.html", "tags": ["Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://www.debian.org/security/2015/dsa-3259", "tags": ["Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://www.openwall.com/lists/oss-security/2015/03/24/9", "tags": ["Mailing List", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://www.openwall.com/lists/oss-security/2015/04/09/6", "tags": ["Mailing List", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html", "tags": ["Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://www.securityfocus.com/bid/73303", "tags": ["Third Party Advisory", "VDB Entry"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://www.securitytracker.com/id/1033975", "tags": ["Third Party Advisory", "VDB Entry"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://www.ubuntu.com/usn/USN-2608-1", "tags": ["Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://lists.gnu.org/archive/html/qemu-devel/2015-03/msg04894.html", "tags": ["Mailing List", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://lists.gnu.org/archive/html/qemu-devel/2015-03/msg04895.html", "tags": ["Mailing List", "Patch", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://lists.gnu.org/archive/html/qemu-devel/2015-03/msg04896.html", "tags": ["Mailing List", "Patch", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://security.gentoo.org/glsa/201602-01", "tags": ["Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Deferred", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-400"}]}], "descriptions": [{"lang": "en", "value": "The VNC websocket frame decoder in QEMU allows remote attackers to cause a denial of service (memory and CPU consumption) via a large (1) websocket payload or (2) HTTP headers section."}, {"lang": "es", "value": "El decodificador de frames websocket VNC en QEMU permite a atacantes remotos causar una denegaci\u00f3n de servicio (consumo de CPU y memoria) a trav\u00e9s de una gran (1) carga \u00fatil websocket o (2) secci\u00f3n de cabeceras HTTP"}], "lastModified": "2025-04-12T10:46:40.837", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:qemu:qemu:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "AE638DF5-8411-473C-B378-DF0FDBF850AE", "versionEndIncluding": "2.2.1"}, {"criteria": "cpe:2.3:a:qemu:qemu:2.3.0:rc0:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "371ABF66-ED4F-4D07-B3BF-3B74C0C65C58"}, {"criteria": "cpe:2.3:a:qemu:qemu:2.3.0:rc1:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "C1E7510E-84EE-48AB-B8F3-90601C1C23E2"}], "operator": "OR"}]}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:esm:*:*:*", "vulnerable": true, "matchCriteriaId": "8D305F7A-D159-4716-AB26-5E38BB5CD991"}, {"criteria": "cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:*", "vulnerable": true, "matchCriteriaId": "815D70A8-47D3-459C-A32C-9FEACA0659D1"}, {"criteria": "cpe:2.3:o:canonical:ubuntu_linux:14.10:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "49A63F39-30BE-443F-AF10-6245587D3359"}, {"criteria": "cpe:2.3:o:canonical:ubuntu_linux:15.04:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "F38D3B7E-8429-473F-BB31-FC3583EE5A5B"}], "operator": "OR"}]}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "16F59A04-14CF-49E2-9973-645477EA09DA"}, {"criteria": "cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "C11E6FB0-C8C0-4527-9AA0-CB9B316F8F43"}], "operator": "OR"}]}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:fedoraproject:fedora:21:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "56BDB5A0-0839-4A20-A003-B8CD56F48171"}, {"criteria": "cpe:2.3:o:fedoraproject:fedora:22:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "253C303A-E577-4488-93E6-68A8DD942C38"}], "operator": "OR"}]}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:redhat:enterprise_linux_eus:7.1:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "A67A7B7A-998D-4B8C-8831-6E58406565FE"}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux_eus:7.2:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "AE1D81A1-CD24-4B17-8AFD-DC95E90AD7D0"}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux_eus:7.3:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "807C024A-F8E8-4B48-A349-4C68CD252CA1"}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux_eus:7.4:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "F96E3779-F56A-45FF-BB3D-4980527D721E"}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux_eus:7.5:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "0CF73560-2F5B-4723-A8A1-9AADBB3ADA00"}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux_eus:7.6:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "5BF3C7A5-9117-42C7-BEA1-4AA378A582EF"}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux_eus:7.7:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "83737173-E12E-4641-BC49-0BD84A6B29D0"}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "51EF4996-72F4-4FA4-814F-F5991E7A8318"}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux_server_aus:7.3:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "98381E61-F082-4302-B51F-5648884F998B"}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux_server_aus:7.4:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "D99A687E-EAE6-417E-A88E-D0082BC194CD"}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux_server_aus:7.6:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "B353CE99-D57C-465B-AAB0-73EF581127D1"}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux_server_aus:7.7:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "7431ABC1-9252-419E-8CC1-311B41360078"}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux_server_tus:7.3:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "24C0F4E1-C52C-41E0-9F14-F83ADD5CC7ED"}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux_server_tus:7.6:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "B76AA310-FEC7-497F-AF04-C3EC1E76C4CC"}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux_server_tus:7.7:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "17F256A9-D3B9-4C72-B013-4EFD878BFEA8"}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "825ECE2D-E232-46E0-A047-074B34DB1E97"}], "operator": "OR"}]}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:redhat:virtualization:3.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "D86166F9-BBF0-4650-8CCD-0F9C97104D21"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": 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8.6 /10

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope CHANGED

7.8 /10

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact COMPLETE

JSON object

Attach tags to CVE-2015-1779

8.6^/10

7.8^/10

Attach tags to `CVE-2015-1779`