Vulnerability Monitor

The vendors, products, and vulnerabilities you care about

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.

Published

2014-12-15T18:59:04.033

Last Modified

2025-04-12T10:46:40.837

Status

Deferred

Source

[email protected]

Severity

CVSSv2: 7.5 (HIGH)

CVSSv2 Vector

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

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

Exploitability Score

10.0

Impact Score

6.4

Weaknesses

Type: Primary
CWE-20

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	libvncserver	libvncserver	≤ 0.9.9	Yes
Operating System	oracle	solaris	11.3	Yes
Operating System	debian	debian_linux	7.0	Yes
Operating System	canonical	ubuntu_linux	12.04	Yes
Operating System	canonical	ubuntu_linux	14.04	Yes

References

http://lists.opensuse.org/opensuse-updates/2015-12/msg00022.html ([email protected])
http://seclists.org/oss-sec/2014/q3/639 Mailing List, Third Party Advisory ([email protected])
http://secunia.com/advisories/61506 Permissions Required, Third Party Advisory ([email protected])
http://secunia.com/advisories/61682 Permissions Required, Third Party Advisory ([email protected])
http://ubuntu.com/usn/usn-2365-1 Third Party Advisory ([email protected])
http://www.debian.org/security/2014/dsa-3081 Third Party Advisory ([email protected])
http://www.ocert.org/advisories/ocert-2014-007.html Third Party Advisory, US Government Resource ([email protected])
http://www.openwall.com/lists/oss-security/2014/09/25/11 Mailing List, Third Party Advisory ([email protected])
http://www.oracle.com/technetwork/topics/security/bulletinoct2015-2511968.html Third Party Advisory ([email protected])
http://www.securityfocus.com/bid/70091 ([email protected])
https://github.com/newsoft/libvncserver/commit/85a778c0e45e87e35ee7199f1f25020648e8b812 Exploit, Issue Tracking, Patch ([email protected])
https://lists.debian.org/debian-lts-announce/2019/10/msg00042.html ([email protected])
https://security.gentoo.org/glsa/201507-07 ([email protected])
https://usn.ubuntu.com/4587-1/ ([email protected])
http://lists.opensuse.org/opensuse-updates/2015-12/msg00022.html (af854a3a-2127-422b-91ae-364da2661108)
http://seclists.org/oss-sec/2014/q3/639 Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://secunia.com/advisories/61506 Permissions Required, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://secunia.com/advisories/61682 Permissions Required, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://ubuntu.com/usn/usn-2365-1 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.debian.org/security/2014/dsa-3081 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.ocert.org/advisories/ocert-2014-007.html Third Party Advisory, US Government Resource (af854a3a-2127-422b-91ae-364da2661108)
http://www.openwall.com/lists/oss-security/2014/09/25/11 Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.oracle.com/technetwork/topics/security/bulletinoct2015-2511968.html Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.securityfocus.com/bid/70091 (af854a3a-2127-422b-91ae-364da2661108)
https://github.com/newsoft/libvncserver/commit/85a778c0e45e87e35ee7199f1f25020648e8b812 Exploit, Issue Tracking, Patch (af854a3a-2127-422b-91ae-364da2661108)
https://lists.debian.org/debian-lts-announce/2019/10/msg00042.html (af854a3a-2127-422b-91ae-364da2661108)
https://security.gentoo.org/glsa/201507-07 (af854a3a-2127-422b-91ae-364da2661108)
https://usn.ubuntu.com/4587-1/ (af854a3a-2127-422b-91ae-364da2661108)