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)…
Does this matter?
Lower severity and a low EPSS score (5.54%). Track it; it rarely justifies an emergency change on its own.
Description
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.
- CVSS 2.0
- 4.3 MEDIUMAV:N/AC:M/Au:N/C:N/I:N/A:P
- EPSS
- 5.54% probability · 92th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-189
- Affected
- libvncserver/libvncserver · debian/debian linux · canonical/ubuntu linux
- Source
- cve@mitre.org
References
- http://lists.opensuse.org/opensuse-updates/2015-12/msg00022.html
- http://seclists.org/oss-sec/2014/q3/639Mailing List, Third Party Advisory
- http://secunia.com/advisories/61506
- http://secunia.com/advisories/61682
- http://www.debian.org/security/2014/dsa-3081Third Party Advisory
- http://www.ocert.org/advisories/ocert-2014-007.htmlThird Party Advisory, US Government Resource
- http://www.openwall.com/lists/oss-security/2014/09/25/11Mailing List, Third Party Advisory
- http://www.securityfocus.com/bid/70094
- http://www.ubuntu.com/usn/USN-2365-1Third Party Advisory
- https://github.com/newsoft/libvncserver/commit/05a9bd41a8ec0a9d580a8f420f41718bdd235446Issue Tracking, Patch
- https://lists.debian.org/debian-lts-announce/2019/10/msg00042.html
- https://security.gentoo.org/glsa/201507-07
- https://usn.ubuntu.com/4587-1/
- http://lists.opensuse.org/opensuse-updates/2015-12/msg00022.html
- http://seclists.org/oss-sec/2014/q3/639Mailing List, Third Party Advisory
- http://secunia.com/advisories/61506
- http://secunia.com/advisories/61682
- http://www.debian.org/security/2014/dsa-3081Third Party Advisory
- http://www.ocert.org/advisories/ocert-2014-007.htmlThird Party Advisory, US Government Resource
- http://www.openwall.com/lists/oss-security/2014/09/25/11Mailing List, Third Party Advisory
- http://www.securityfocus.com/bid/70094
- http://www.ubuntu.com/usn/USN-2365-1Third Party Advisory
- https://github.com/newsoft/libvncserver/commit/05a9bd41a8ec0a9d580a8f420f41718bdd235446Issue Tracking, Patch
- https://lists.debian.org/debian-lts-announce/2019/10/msg00042.html
- https://security.gentoo.org/glsa/201507-07
- https://usn.ubuntu.com/4587-1/
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.