Vulnerability Details : CVE-2018-8311
A remote code execution vulnerability exists when Skype for Business and Microsoft Lync clients fail to properly sanitize specially crafted content, aka "Remote Code Execution Vulnerability in Skype For Business and Lync." This affects Skype, Microsoft Lync.
Vulnerability category: Input validationExecute code
Products affected by CVE-2018-8311
- cpe:2.3:a:microsoft:lync:-:sp1:*:*:*:*:*:*
- cpe:2.3:a:microsoft:skype_for_business:-:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2018-8311
23.48%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 96 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2018-8311
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
6.8
|
MEDIUM | AV:N/AC:M/Au:N/C:P/I:P/A:P |
8.6
|
6.4
|
NIST | |
|
8.8
|
HIGH | CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
2.8
|
5.9
|
NIST |
CWE ids for CVE-2018-8311
-
The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.Assigned by: nvd@nist.gov (Primary)
References for CVE-2018-8311
-
http://www.securitytracker.com/id/1041260
Microsoft Lync Input Validation Flaw Lets Remote Users Execute Arbitrary Code - SecurityTrackerThird Party Advisory;VDB Entry
-
http://www.securitytracker.com/id/1041259
Microsoft Skype for Business Input Validation Flaw Lets Remote Users Execute Arbitrary Code - SecurityTrackerThird Party Advisory;VDB Entry
-
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8311
CVE-2018-8311 | Remote Code Execution Vulnerability in Skype For Business and LyncVendor Advisory
-
http://www.securityfocus.com/bid/104624
Microsoft Skype for Business and Lync CVE-2018-8311 Remote Code Execution VulnerabilityThird Party Advisory;VDB Entry
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