Vulnerability in Libvncserver
CVE-2014-6054
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.
Published · last modified .
CVSS v2 metric
CVSS v2 base score 4.3 (Medium). Vector: AV:N/AC:M/Au:N/C:N/I:N/A:P. This CVE predates CVSS v3 and has no v3 score from NVD.
EPSS exploit prediction
EPSS: 0.055 (92.6th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 93rd percentile — 92.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.055 · newest: 0.055 · change: 0.000
Affected products
- Libvncserver
- Canonical Ubuntu Linux — versions 12.04, 14.04
- Debian Linux — versions 7.0
Weakness classification (CWE)
References
- www.ocert.org/advisories/ocert-2014-007.html (US Government Resource, Third Party Advisory)
- www.securityfocus.com/bid/70094 (vdb-entry)
- secunia.com/advisories/61682 (third-party-advisory)
- lists.opensuse.org/opensuse-updates/2015-12/msg00022.html (vendor-advisory)
- github.com/newsoft/libvncserver/commit/05a9bd41a8ec0a9d580a8f420f41718bdd235446 (Patch, Issue Tracking)
- secunia.com/advisories/61506 (third-party-advisory)
- www.openwall.com/lists/oss-security/2014/09/25/11 (mailing-list, Mailing List, Third Party Advisory)
- seclists.org/oss-sec/2014/q3/639 (mailing-list, Mailing List, Third Party Advisory)
- security.gentoo.org/glsa/201507-07 (vendor-advisory)
- www.ubuntu.com/usn/USN-2365-1 (vendor-advisory, Third Party Advisory)