Vulnerability CVE-2017-8808

Vulnerability Name:

CVE-2017-8808 (CCN-134934)

Assigned:

2017-11-14

Published:

2017-11-14

Updated:

2017-11-28

Summary:

MediaWiki before 1.27.4, 1.28.x before 1.28.3, and 1.29.x before 1.29.2 has XSS when the $wgShowExceptionDetails setting is false and the browser sends non-standard URL escaping.

CVSS v3 Severity:

6.1 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N)
5.8 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N/E:H/RL:O/RC:C)

Exploitability Metrics:	Attack Vector (AV): Network Attack Complexity (AC): Low Privileges Required (PR): None User Interaction (UI): Required
Scope:	Scope (S): Changed
Impact Metrics:	Confidentiality (C): Low Integrity (I): Low Availibility (A): None

6.1 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N)
5.8 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N/E:H/RL:O/RC:C)

Exploitability Metrics:	Attack Vector (AV): Network Attack Complexity (AC): Low Privileges Required (PR): None User Interaction (UI): Required
Scope:	Scope (S): Changed
Impact Metrics:	Confidentiality (C): Low Integrity (I): Low Availibility (A): None

CVSS v2 Severity:

4.3 Medium (CVSS v2 Vector: AV:N/AC:M/Au:N/C:N/I:P/A:N)

Exploitability Metrics:	Access Vector (AV): Network Access Complexity (AC): Medium Authentication (Au): None
Impact Metrics:	Confidentiality (C): None Integrity (I): Partial Availibility (A): None

5.5 Medium (CCN CVSS v2 Vector: AV:N/AC:L/Au:S/C:P/I:P/A:N)

Exploitability Metrics:	Access Vector (AV): Network Access Complexity (AC): Low Athentication (Au): Single_Instance
Impact Metrics:	Confidentiality (C): Partial Integrity (I): Partial Availibility (A): None

Vulnerability Type:

CWE-79

Vulnerability Consequences:

Cross-Site Scripting

References:

Source: MITRE
Type: CNA
CVE-2017-8808

Source: SECTRACK
Type: Third Party Advisory, VDB Entry
1039812

Source: XF
Type: UNKNOWN
mediawiki-cve20178808-xss(134934)

Source: CCN
Type: MediaWiki Mailing List, Tue Nov 14 23:38:15 UTC 2017
[MediaWiki-announce] Security release: 1.29.2 / 1.28.3 / 1.27.4

Source: CONFIRM
Type: Mailing List, Patch, Vendor Advisory
https://lists.wikimedia.org/pipermail/mediawiki-announce/2017-November/000216.html

Source: DEBIAN
Type: Third Party Advisory
DSA-4036

Source: CCN
Type: MediaWiki Web site
MediaWiki

Vulnerable Configuration:

Configuration 1:

cpe:/a:mediawiki:mediawiki:*:*:*:*:*:*:*:* (Version <= 1.27.3)

OR cpe:/a:mediawiki:mediawiki:1.28.0:*:*:*:*:*:*:*

OR cpe:/a:mediawiki:mediawiki:1.28.1:*:*:*:*:*:*:*

OR cpe:/a:mediawiki:mediawiki:1.28.2:*:*:*:*:*:*:*

OR cpe:/a:mediawiki:mediawiki:1.29.0:*:*:*:*:*:*:*

OR cpe:/a:mediawiki:mediawiki:1.29.1:*:*:*:*:*:*:*

Configuration 2:

cpe:/o:debian:debian_linux:9.0:*:*:*:*:*:*:*

Configuration CCN 1:

cpe:/a:mediawiki:mediawiki:1.27.0:*:*:*:*:*:*:*

OR cpe:/a:mediawiki:mediawiki:1.28.0:*:*:*:*:*:*:*

OR cpe:/a:mediawiki:mediawiki:1.29.0:*:*:*:*:*:*:*

Denotes that component is vulnerable

Oval Definitions

Definition ID	Class	Title	Last Modified
oval:com.ubuntu.artful:def:20178808000	V	CVE-2017-8808 on Ubuntu 17.10 (artful) - untriaged.	2017-11-15
oval:com.ubuntu.cosmic:def:201788080000000	V	CVE-2017-8808 on Ubuntu 18.10 (cosmic) - low.	2017-11-15
oval:com.ubuntu.bionic:def:20178808000	V	CVE-2017-8808 on Ubuntu 18.04 LTS (bionic) - low.	2017-11-15
oval:com.ubuntu.bionic:def:201788080000000	V	CVE-2017-8808 on Ubuntu 18.04 LTS (bionic) - low.	2017-11-15
oval:com.ubuntu.cosmic:def:20178808000	V	CVE-2017-8808 on Ubuntu 18.10 (cosmic) - low.	2017-11-15
oval:com.ubuntu.disco:def:201788080000000	V	CVE-2017-8808 on Ubuntu 19.04 (disco) - low.	2017-11-15
oval:com.ubuntu.trusty:def:20178808000	V	CVE-2017-8808 on Ubuntu 14.04 LTS (trusty) - low.	2017-11-15

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