Vulnerability in Libvncserver
CVE-2014-6051
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 for a large screen size, which triggers a heap-based buffer overflow.
Published · last modified .
CVSS v2 metric
CVSS v2 base score 7.5 (High). Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P. This CVE predates CVSS v3 and has no v3 score from NVD.
EPSS exploit prediction
EPSS: 0.083 (94.7th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 95th percentile — 94.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.083 · newest: 0.083 · change: 0.000
Affected products
- Libvncserver
- Oracle Solaris — versions 11.3
- Debian Linux — versions 7.0
- Fedoraproject Fedora — versions 20, 21
- Red Hat Enterprise Linux Server Aus — versions 6.5
- Red Hat Enterprise Linux Server Eus — versions 6.5.z
Weakness classification (CWE)
References
- www.ocert.org/advisories/ocert-2014-007.html (US Government Resource, Patch, Third Party Advisory)
- security.gentoo.org/glsa/201612-36 (vendor-advisory)
- lists.opensuse.org/opensuse-updates/2015-12/msg00022.html (vendor-advisory)
- github.com/newsoft/libvncserver/commit/045a044e8ae79db9244593fbce154cdf6e843273 (Patch, Third Party Advisory)
- secunia.com/advisories/61506 (Permissions Required, Third Party Advisory, third-party-advisory)
- www.kde.org/info/security/advisory-20140923-1.txt (Third Party Advisory)
- rhn.redhat.com/errata/RHSA-2015-0113.html (vendor-advisory, Third Party Advisory)
- www.openwall.com/lists/oss-security/2014/09/25/11 (mailing-list, Third Party Advisory)
- seclists.org/oss-sec/2014/q3/639 (mailing-list, Third Party Advisory)
- security.gentoo.org/glsa/201507-07 (vendor-advisory)