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…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (8.27%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
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.
- CVSS 2.0
- 7.5 HIGHAV:N/AC:L/Au:N/C:P/I:P/A:P
- EPSS
- 8.27% probability · 95th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-189
- Affected
- redhat/enterprise linux server aus · redhat/enterprise linux server eus · fedoraproject/fedora · libvncserver/libvncserver · debian/debian linux · oracle/solaris
- Source
- cve@mitre.org
References
- http://lists.fedoraproject.org/pipermail/package-announce/2014-October/139654.htmlThird Party Advisory
- http://lists.fedoraproject.org/pipermail/package-announce/2014-September/139445.htmlThird Party Advisory
- http://lists.opensuse.org/opensuse-updates/2015-12/msg00022.html
- http://rhn.redhat.com/errata/RHSA-2015-0113.htmlThird Party Advisory
- http://seclists.org/oss-sec/2014/q3/639Third Party Advisory
- http://secunia.com/advisories/61506Permissions Required, Third Party Advisory
- http://www.debian.org/security/2014/dsa-3081Third Party Advisory
- http://www.ocert.org/advisories/ocert-2014-007.htmlPatch, Third Party Advisory, US Government Resource
- http://www.openwall.com/lists/oss-security/2014/09/25/11Third Party Advisory
- http://www.oracle.com/technetwork/topics/security/bulletinoct2015-2511968.htmlThird Party Advisory
- http://www.securityfocus.com/bid/70093
- https://github.com/newsoft/libvncserver/commit/045a044e8ae79db9244593fbce154cdf6e843273Patch, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2019/10/msg00042.html
- https://security.gentoo.org/glsa/201507-07
- https://security.gentoo.org/glsa/201612-36
- https://usn.ubuntu.com/4587-1/
- https://www.kde.org/info/security/advisory-20140923-1.txtThird Party Advisory
- http://lists.fedoraproject.org/pipermail/package-announce/2014-October/139654.htmlThird Party Advisory
- http://lists.fedoraproject.org/pipermail/package-announce/2014-September/139445.htmlThird Party Advisory
- http://lists.opensuse.org/opensuse-updates/2015-12/msg00022.html
- http://rhn.redhat.com/errata/RHSA-2015-0113.htmlThird Party Advisory
- http://seclists.org/oss-sec/2014/q3/639Third Party Advisory
- http://secunia.com/advisories/61506Permissions Required, Third Party Advisory
- http://www.debian.org/security/2014/dsa-3081Third Party Advisory
- http://www.ocert.org/advisories/ocert-2014-007.htmlPatch, Third Party Advisory, US Government Resource
- http://www.openwall.com/lists/oss-security/2014/09/25/11Third Party Advisory
- http://www.oracle.com/technetwork/topics/security/bulletinoct2015-2511968.htmlThird Party Advisory
- http://www.securityfocus.com/bid/70093
- https://github.com/newsoft/libvncserver/commit/045a044e8ae79db9244593fbce154cdf6e843273Patch, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2019/10/msg00042.html
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.