CVE-2014-6052

The HandleRFBServerMessage function in libvncclient/rfbproto.c in LibVNCServer 0.9.9 and earlier does not check certain malloc return values, which allows remote VNC servers to cause a denial of service (application crash) or possibly execute arbitrary code by specifying a large screen size in a (1) FramebufferUpdate, (2) ResizeFrameBuffer, or (3) PalmVNCReSizeFrameBuffer message.

CVSS v2.0 7.5 HIGH

7.5^/10

CVSS v2.0 : HIGH

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

Exploitability : 10.0 / Impact : 6.4

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://github.com/newsoft/libvncserver/commit/85a778c0e45e87e35ee7199f1f25020648e8b812	Exploit Patch Issue Tracking
http://ubuntu.com/usn/usn-2365-1	Third Party Advisory
http://www.openwall.com/lists/oss-security/2014/09/25/11	Mailing List Third Party Advisory
http://www.ocert.org/advisories/ocert-2014-007.html	Third Party Advisory US Government Resource
http://seclists.org/oss-sec/2014/q3/639	Mailing List Third Party Advisory
http://secunia.com/advisories/61506	Permissions Required Third Party Advisory
http://secunia.com/advisories/61682	Permissions Required Third Party Advisory
http://www.debian.org/security/2014/dsa-3081	Third Party Advisory
http://www.oracle.com/technetwork/topics/security/bulletinoct2015-2511968.html	Third Party Advisory
http://www.securityfocus.com/bid/70091
http://lists.opensuse.org/opensuse-updates/2015-12/msg00022.html
https://security.gentoo.org/glsa/201507-07
https://lists.debian.org/debian-lts-announce/2019/10/msg00042.html
https://usn.ubuntu.com/4587-1/

Advertisement

Configurations

Configuration 1 (hide)

cpe:2.3:a:libvncserver:libvncserver:*:*:*:*:*:*:*:*

Configuration 2 (hide)

cpe:2.3:o:oracle:solaris:11.3:*:*:*:*:*:*:*

Configuration 3 (hide)

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

Configuration 4 (hide)

OR	cpe:2.3:o:canonical:ubuntu_linux:12.04::::lts:::
	cpe:2.3:o:canonical:ubuntu_linux:14.04::::lts:::

Information

Published : 2014-12-15 10:59

Updated : 2020-10-23 06:15

NVD link : CVE-2014-6052

Mitre link : CVE-2014-6052

JSON object : View

CWE

CWE-20

Improper Input Validation

Advertisement

Products Affected

debian

debian_linux

canonical

ubuntu_linux

libvncserver

libvncserver

oracle

solaris

{"cve": {"data_type": "CVE", "references": {"reference_data": [{"url": "https://github.com/newsoft/libvncserver/commit/85a778c0e45e87e35ee7199f1f25020648e8b812", "name": "https://github.com/newsoft/libvncserver/commit/85a778c0e45e87e35ee7199f1f25020648e8b812", "tags": ["Exploit", "Patch", "Issue Tracking"], "refsource": "CONFIRM"}, {"url": "http://ubuntu.com/usn/usn-2365-1", "name": "USN-2365-1", "tags": ["Third Party Advisory"], "refsource": "UBUNTU"}, {"url": "http://www.openwall.com/lists/oss-security/2014/09/25/11", "name": "[oss-security] 20140925 [oCERT-2014-007] libvncserver multiple issues", "tags": ["Mailing List", "Third Party Advisory"], "refsource": "MLIST"}, {"url": "http://www.ocert.org/advisories/ocert-2014-007.html", "name": "http://www.ocert.org/advisories/ocert-2014-007.html", "tags": ["Third Party Advisory", "US Government Resource"], "refsource": "MISC"}, {"url": "http://seclists.org/oss-sec/2014/q3/639", "name": "[oss-security] 20140923 Multiple issues in libVNCserver", "tags": ["Mailing List", "Third Party Advisory"], "refsource": "MLIST"}, {"url": "http://secunia.com/advisories/61506", "name": "61506", "tags": ["Permissions Required", "Third Party Advisory"], "refsource": "SECUNIA"}, {"url": "http://secunia.com/advisories/61682", "name": "61682", "tags": ["Permissions Required", "Third Party Advisory"], "refsource": "SECUNIA"}, {"url": "http://www.debian.org/security/2014/dsa-3081", "name": "DSA-3081", "tags": ["Third Party Advisory"], "refsource": "DEBIAN"}, {"url": "http://www.oracle.com/technetwork/topics/security/bulletinoct2015-2511968.html", "name": "http://www.oracle.com/technetwork/topics/security/bulletinoct2015-2511968.html", "tags": ["Third Party Advisory"], "refsource": "CONFIRM"}, {"url": "http://www.securityfocus.com/bid/70091", "name": "70091", "tags": [], "refsource": "BID"}, {"url": "http://lists.opensuse.org/opensuse-updates/2015-12/msg00022.html", "name": "openSUSE-SU-2015:2207", "tags": [], "refsource": "SUSE"}, {"url": "https://security.gentoo.org/glsa/201507-07", "name": "GLSA-201507-07", "tags": [], "refsource": "GENTOO"}, {"url": "https://lists.debian.org/debian-lts-announce/2019/10/msg00042.html", "name": "[debian-lts-announce] 20191030 [SECURITY] [DLA 1979-1] italc security update", "tags": [], "refsource": "MLIST"}, {"url": "https://usn.ubuntu.com/4587-1/", "name": "USN-4587-1", "tags": [], "refsource": "UBUNTU"}]}, "data_format": "MITRE", "description": {"description_data": [{"lang": "en", "value": "The HandleRFBServerMessage function in libvncclient/rfbproto.c in LibVNCServer 0.9.9 and earlier does not check certain malloc return values, which allows remote VNC servers to cause a denial of service (application crash) or possibly execute arbitrary code by specifying a large screen size in a (1) FramebufferUpdate, (2) ResizeFrameBuffer, or (3) PalmVNCReSizeFrameBuffer message."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "en", "value": "CWE-20"}]}]}, "data_version": "4.0", "CVE_data_meta": {"ID": "CVE-2014-6052", "ASSIGNER": "cve@mitre.org"}}, "impact": {"baseMetricV2": {"cvssV2": {"version": "2.0", "baseScore": 7.5, "accessVector": "NETWORK", "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P", "authentication": "NONE", "integrityImpact": "PARTIAL", "accessComplexity": "LOW", "availabilityImpact": "PARTIAL", "confidentialityImpact": "PARTIAL"}, "severity": "HIGH", "impactScore": 6.4, "obtainAllPrivilege": false, "exploitabilityScore": 10.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}}, "publishedDate": "2014-12-15T18:59Z", "configurations": {"nodes": [{"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:a:libvncserver:libvncserver:*:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true, "versionEndIncluding": "0.9.9"}]}, {"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:o:oracle:solaris:11.3:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}]}, {"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}]}, {"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:lts:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*", "cpe_name": [], "vulnerable": true}]}], "CVE_data_version": "4.0"}, "lastModifiedDate": "2020-10-23T13:15Z"}