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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
7.5 UNKNOWN
NETWORK
LOW
AV:N/AC:L/Au:N/C:P/I:P/A:P
mitreCNA
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 88%
VendorProductVersion
libvncserverlibvncserver
𝑥
≤ 0.9.9
oraclesolaris
11.3
debiandebian_linux
7.0
canonicalubuntu_linux
12.04
canonicalubuntu_linux
14.04
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
libvncserver
bullseye
0.9.13+dfsg-2+deb11u1
fixed
bookworm
0.9.14+dfsg-1
fixed
sid
0.9.14+dfsg-1
fixed
trixie
0.9.14+dfsg-1
fixed
veyon
bullseye
4.5.3+repack1-1
fixed
bookworm
4.7.5+repack1-1
fixed
sid
4.7.5+repack1-1.1
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
italc
focal
dne
bionic
Fixed 1:3.0.1+dfsg1-1
released
xenial
Fixed 1:2.0.2+dfsg1-4ubuntu0.1
released
trusty
dne
krfb
trusty
dne
precise
dne
lucid
dne
libvncserver
trusty
Fixed 0.9.9+dfsg-1ubuntu1.1
released
precise
Fixed 0.9.8.2-2ubuntu1.1
released
lucid
ignored
Common Weakness Enumeration
References
http://lists.opensuse.org/opensuse-updates/2015-12/msg00022.html
http://seclists.org/oss-sec/2014/q3/639
http://secunia.com/advisories/61506
http://secunia.com/advisories/61682
http://ubuntu.com/usn/usn-2365-1
http://www.debian.org/security/2014/dsa-3081
http://www.ocert.org/advisories/ocert-2014-007.html
http://www.openwall.com/lists/oss-security/2014/09/25/11
http://www.oracle.com/technetwork/topics/security/bulletinoct2015-2511968.html
http://www.securityfocus.com/bid/70091
https://github.com/newsoft/libvncserver/commit/85a778c0e45e87e35ee7199f1f25020648e8b812
https://lists.debian.org/debian-lts-announce/2019/10/msg00042.html
https://security.gentoo.org/glsa/201507-07
https://usn.ubuntu.com/4587-1/
http://lists.opensuse.org/opensuse-updates/2015-12/msg00022.html
http://seclists.org/oss-sec/2014/q3/639
http://secunia.com/advisories/61506
http://secunia.com/advisories/61682
http://ubuntu.com/usn/usn-2365-1
http://www.debian.org/security/2014/dsa-3081
http://www.ocert.org/advisories/ocert-2014-007.html
http://www.openwall.com/lists/oss-security/2014/09/25/11
http://www.oracle.com/technetwork/topics/security/bulletinoct2015-2511968.html
http://www.securityfocus.com/bid/70091
https://github.com/newsoft/libvncserver/commit/85a778c0e45e87e35ee7199f1f25020648e8b812
https://lists.debian.org/debian-lts-announce/2019/10/msg00042.html
https://security.gentoo.org/glsa/201507-07
https://usn.ubuntu.com/4587-1/