Red Hat Security AdvisoryRHSA-2014:1826
libvncserver security update
Released 2014-11-11 · Red Hat rating Moderate · View on Red Hat →
Fixed in
- Red Hat Enterprise Linux Client (v. 7) libvncserver-0.9.9-9.el7_0.1
- Red Hat Enterprise Linux Client Optional (v. 7) libvncserver-devel-0.9.9-9.el7_0.1
- Red Hat Enterprise Linux Desktop (v. 6) libvncserver-0.9.7-7.el6_6.1
- Red Hat Enterprise Linux Desktop Optional (v. 6) libvncserver-0.9.7-7.el6_6.1, libvncserver-devel-0.9.7-7.el6_6.1
- Red Hat Enterprise Linux Server (v. 6) libvncserver-0.9.7-7.el6_6.1
- Red Hat Enterprise Linux Server (v. 7) libvncserver-0.9.9-9.el7_0.1
- Red Hat Enterprise Linux Server Optional (v. 6) libvncserver-0.9.7-7.el6_6.1, libvncserver-0.9.7-7.el6_6.1.ppc, libvncserver-devel-0.9.7-7.el6_6.1 +1
- Red Hat Enterprise Linux Server Optional (v. 7) libvncserver-devel-0.9.9-9.el7_0.1
- Red Hat Enterprise Linux Workstation (v. 6) libvncserver-0.9.7-7.el6_6.1
- Red Hat Enterprise Linux Workstation (v. 7) libvncserver-0.9.9-9.el7_0.1
- Red Hat Enterprise Linux Workstation Optional (v. 6) libvncserver-0.9.7-7.el6_6.1, libvncserver-devel-0.9.7-7.el6_6.1
- Red Hat Enterprise Linux Workstation Optional (v. 7) libvncserver-devel-0.9.9-9.el7_0.1
Fixes 5 records
Priority MEDIUM 44
Integer overflow in the MallocFrameBuffer function in vncviewer.c in LibVNCServer 0.9.9 and earlier allows remote VNC servers to cause a denial of service (crash) and possibly execute arbitrary code via an advertisement…
CVSS 2.0HIGH 7.5· Network · No auth · Interaction — · EPSS 0.08272 · Published 2014-09-30 · Fixed CWE-189
Priority MEDIUM 42
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 cras…
CVSS 2.0HIGH 7.5· Network · No auth · Interaction — · EPSS 0.06755 · Published 2014-12-15 · Fixed CWE-20
Priority LOW 39
Multiple stack-based buffer overflows in the File Transfer feature in rfbserver.c in LibVNCServer 0.9.9 and earlier allow remote authenticated users to cause a denial of service (crash) and possibly execute arbitrary cod…
CVSS 2.0MEDIUM 6.5· Network · Low privileges · Interaction — · EPSS 0.0783 · Published 2014-09-30 · Fixed CWE-119
Priority LOW 33
The rfbProcessClientNormalMessage function in libvncserver/rfbserver.c in LibVNCServer 0.9.9 and earlier does not properly handle attempts to send a large amount of ClientCutText data, which allows remote attackers to ca…
CVSS 2.0MEDIUM 5.0· Network · No auth · Interaction — · EPSS 0.07254 · Published 2014-12-15 · Partial fix CWE-19
Priority LOW 28
The rfbProcessClientNormalMessage function in libvncserver/rfbserver.c in LibVNCServer 0.9.9 and earlier allows remote attackers to cause a denial of service (divide-by-zero error and server crash) via a zero value in th…
CVSS 2.0MEDIUM 4.3· Network · No auth · Interaction — · EPSS 0.0554 · Published 2014-10-06 · Fixed CWE-189