CVE-2014-6054
MEDIUM severity · CVSS 4.3 · CWE-189
4.3CVSS MEDIUM
Summary
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 the scaling factor in a (1) PalmVNCSetScaleFactor or (2) SetScale message.
Impact & exploitability
Attack vectorNetwork
Attack complexity—
Privileges required—
User interaction—
Confidentiality impactNone
Integrity impactNone
Availability impact—
Exploit probability (EPSS)6%
AV:N/AC:M/Au:N/C:N/I:N/A:P
Affected products we track (1)
Recommendation
Apply the vendor fix in your normal patch cycle. Open any affected product above for its exact safe version.
Additional information
- NVD record
- http://lists.opensuse.org/opensuse-updates/2015-12/msg00022.html
- http://seclists.org/oss-sec/2014/q3/639Advisory
- http://secunia.com/advisories/61506
- http://secunia.com/advisories/61682
- http://www.debian.org/security/2014/dsa-3081Advisory
- http://www.ocert.org/advisories/ocert-2014-007.htmlAdvisory
- http://www.openwall.com/lists/oss-security/2014/09/25/11Advisory
- http://www.securityfocus.com/bid/70094