Vulnerability Details : CVE-2018-19586
Potential exploit
Silverpeas 5.15 through 6.0.2 is affected by an authenticated Directory Traversal vulnerability that can be triggered during file uploads because core/webapi/upload/FileUploadData.java mishandles a StringUtil.java call. This vulnerability enables regular users to write arbitrary files on the underlying system with privileges of the user running the application. Especially, an attacker may leverage the vulnerability to write an executable JSP file in an exposed web directory to execute commands on the underlying system.
Vulnerability category: Directory traversal
Products affected by CVE-2018-19586
- cpe:2.3:a:silverpeas:silverpeas:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2018-19586
4.29%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 88 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2018-19586
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
9.0
|
HIGH | AV:N/AC:L/Au:S/C:C/I:C/A:C |
8.0
|
10.0
|
NIST | |
|
9.9
|
CRITICAL | CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H |
3.1
|
6.0
|
NIST |
CWE ids for CVE-2018-19586
-
The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory.Assigned by: nvd@nist.gov (Primary)
References for CVE-2018-19586
-
https://github.com/Silverpeas/Silverpeas-Core/blob/d8c3bbb0695a4907db013401bd16c6527e2b4f41/core-web/src/main/java/org/silverpeas/core/webapi/upload/FileUploadData.java#L89
Silverpeas-Core/FileUploadData.java at d8c3bbb0695a4907db013401bd16c6527e2b4f41 · Silverpeas/Silverpeas-Core · GitHubPatch;Third Party Advisory
-
https://www.bishopfox.com/news/2019/01/silverpeas-5-15-to-6-0-2-path-traversal/
Silverpeas 5.15 To 6.0.2: Path TraversalExploit;Third Party Advisory
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