Vulnerability CVE-2016-5303

Vulnerability Name:

CVE-2016-5303 (CCN-120084)

Assigned:

2016-12-20

Published:

2016-12-20

Updated:

2016-12-23

Summary:

Cross-site scripting (XSS) vulnerability in the Horde Text Filter API in Horde Groupware and Horde Groupware Webmail Edition before 5.2.16 allows remote attackers to inject arbitrary web script or HTML via crafted data:text/html content in a form (1) action or (2) xlink attribute.

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)
5.3 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:U/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)
5.3 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:U/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-2016-5303

Source: MLIST
Type: Release Notes, Third Party Advisory
[horde-announce] 20160906 [SECURITY] Horde Groupware 5.2.16 (final)

Source: MLIST
Type: Release Notes, Third Party Advisory
[horde-announce] 20160906 [SECURITY] Horde Groupware Webmail Edition 5.2.16 (final)

Source: BID
Type: UNKNOWN
94997

Source: CCN
Type: BID-94997
Horde Groupware Multiple Cross Site Scripting Vulnerabilities

Source: XF
Type: UNKNOWN
horde-groupware-cve20165303-xss(120084)

Source: CCN
Type: Horde GIT Respository
Fix XSS with data:html links and form actions

Source: CONFIRM
Type: Patch, Vendor Advisory
https://github.com/horde/horde/commit/30d5506c20d26efbb9942fbdc6f981a0bd333b97

Source: CONFIRM
Type: Patch, Vendor Advisory
https://github.com/horde/horde/commit/4d8176d1e9ef5cbd2b3fcacd9b9a4c8e482fb424

Source: CCN
Type: Horde Web site
Groupware - The Horde Project

Source: CCN
Type: WhiteSource Vulnerability Database
CVE-2016-5303

Vulnerable Configuration:

Configuration 1:

cpe:/a:horde:groupware:5.2.15:*:*:*:-:*:*:*

OR cpe:/a:horde:groupware:5.2.15:*:*:*:webmail:*:*:*

Configuration CCN 1:

cpe:/a:horde:groupware:5.2.15:*:*:*:-:*:*:*

Denotes that component is vulnerable

Oval Definitions

Definition ID	Class	Title	Last Modified
oval:com.ubuntu.xenial:def:201653030000000	V	CVE-2016-5303 on Ubuntu 16.04 LTS (xenial) - medium.	2016-12-20
oval:com.ubuntu.artful:def:20165303000	V	CVE-2016-5303 on Ubuntu 17.10 (artful) - medium.	2016-12-20
oval:com.ubuntu.xenial:def:20165303000	V	CVE-2016-5303 on Ubuntu 16.04 LTS (xenial) - medium.	2016-12-20
oval:com.ubuntu.bionic:def:20165303000	V	CVE-2016-5303 on Ubuntu 18.04 LTS (bionic) - medium.	2016-12-20
oval:com.ubuntu.cosmic:def:201653030000000	V	CVE-2016-5303 on Ubuntu 18.10 (cosmic) - medium.	2016-12-20
oval:com.ubuntu.cosmic:def:20165303000	V	CVE-2016-5303 on Ubuntu 18.10 (cosmic) - medium.	2016-12-20
oval:com.ubuntu.bionic:def:201653030000000	V	CVE-2016-5303 on Ubuntu 18.04 LTS (bionic) - medium.	2016-12-20
oval:com.ubuntu.trusty:def:20165303000	V	CVE-2016-5303 on Ubuntu 14.04 LTS (trusty) - medium.	2016-12-20

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