Vulnerability Details : CVE-2017-8814
The language converter in MediaWiki before 1.27.4, 1.28.x before 1.28.3, and 1.29.x before 1.29.2 allows attackers to replace text inside tags via a rule definition followed by "a lot of junk."
Vulnerability category: Input validation
Products affected by CVE-2017-8814
- cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
- cpe:2.3:a:mediawiki:mediawiki:*:*:*:*:*:*:*:*
- cpe:2.3:a:mediawiki:mediawiki:1.28.0:*:*:*:*:*:*:*
- cpe:2.3:a:mediawiki:mediawiki:1.28.1:*:*:*:*:*:*:*
- cpe:2.3:a:mediawiki:mediawiki:1.29.1:*:*:*:*:*:*:*
- cpe:2.3:a:mediawiki:mediawiki:1.28.2:*:*:*:*:*:*:*
- cpe:2.3:a:mediawiki:mediawiki:1.29.0:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2017-8814
0.65%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 68 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2017-8814
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
5.0
|
MEDIUM | AV:N/AC:L/Au:N/C:N/I:P/A:N |
10.0
|
2.9
|
NIST | |
7.5
|
HIGH | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N |
3.9
|
3.6
|
NIST |
CWE ids for CVE-2017-8814
-
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-2017-8814
-
https://lists.wikimedia.org/pipermail/mediawiki-announce/2017-November/000216.html
[MediaWiki-announce] Security release: 1.29.2 / 1.28.3 / 1.27.4Mailing List;Patch;Vendor Advisory
-
http://www.securitytracker.com/id/1039812
MediaWiki Multiple Flaws Let Remote Users Modify Data, Obtain Potentially Sensitive Information, and Conduct Cross-Site Scripting Attacks and Let Local Users Obtain Passwords - SecurityTrackerThird Party Advisory;VDB Entry
-
https://www.debian.org/security/2017/dsa-4036
Debian -- Security Information -- DSA-4036-1 mediawikiThird Party Advisory
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