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CVE Descriptions
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.
CVE Informations
Related Weaknesses
| Weakness Name | Source | |
|---|---|---|
| Category : Numeric Errors Weaknesses in this category are related to improper calculation or conversion of numbers. |
Metrics
| Metrics | Score | Severity | CVSS Vector | Source |
|---|---|---|---|---|
| V2 | 4.3 | AV:N/AC:M/Au:N/C:N/I:N/A:P | nvd@nist.gov |
EPSS
EPSS is a scoring model that predicts the likelihood of a vulnerability being exploited.
EPSS Score
The EPSS model produces a probability score between 0 and 1 (0 and 100%). The higher the score, the greater the probability that a vulnerability will be exploited.
EPSS Percentile
The percentile is used to rank CVE according to their EPSS score. For example, a CVE in the 95th percentile according to its EPSS score is more likely to be exploited than 95% of other CVE. Thus, the percentile is used to compare the EPSS score of a CVE with that of other CVE.
Products Mentioned
Configuraton 0
Libvncserver>>Libvncserver >> Version To (including) 0.9.9
Configuraton 0
Debian>>Debian_linux >> Version 7.0
Configuraton 0
Canonical>>Ubuntu_linux >> Version 12.04
Canonical>>Ubuntu_linux >> Version 14.04
References
http://lists.opensuse.org/opensuse-updates/2015-12/msg00022.html
Tags : vendor-advisory, x_refsource_SUSE
Tags : vendor-advisory, x_refsource_SUSE
https://github.com/newsoft/libvncserver/commit/05a9bd41a8ec0a9d580a8f420f41718bdd235446
Tags : x_refsource_CONFIRM
Tags : x_refsource_CONFIRM
https://lists.debian.org/debian-lts-announce/2019/10/msg00042.html
Tags : mailing-list, x_refsource_MLIST
Tags : mailing-list, x_refsource_MLIST
