VDB-98971 · CVE-2016-9459 · BID 97284

ownCloud Server up to 9.0.3 Log cross site scripting

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
4.3$0-$5k0.00

Summaryinfo

A vulnerability was found in ownCloud Server up to 9.0.3. It has been classified as problematic. This issue affects some unknown processing of the component Log Handler. This manipulation causes cross site scripting. This vulnerability is handled as CVE-2016-9459. It is possible to launch the attack on the local host. There is not any exploit available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in ownCloud Server up to 9.0.3 (Cloud Software). It has been declared as problematic. Affected by this vulnerability is an unknown code block of the component Log Handler. The manipulation with an unknown input leads to a cross site scripting vulnerability. The CWE definition for the vulnerability is CWE-79. The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. As an impact it is known to affect integrity. The summary by CVE is:

Nextcloud Server before 9.0.52 & ownCloud Server before 9.0.4 are vulnerable to a log pollution vulnerability potentially leading to a local XSS. The download log functionality in the admin screen is delivering the log in JSON format to the end-user. The file was delivered with an attachment disposition forcing the browser to download the document. However, Firefox running on Microsoft Windows would offer the user to open the data in the browser as an HTML document. Thus any injected data in the log would be executed.

The bug was discovered 10/10/2016. The weakness was released 03/28/2017 (GitHub Repository). It is possible to read the advisory at github.com. This vulnerability is known as CVE-2016-9459 since 11/19/2016. Attacking locally is a requirement. The requirement for exploitation is a single authentication. It demands that the victim is doing some kind of user interaction. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1059.007 according to MITRE ATT&CK.

The vulnerability was handled as a non-public zero-day exploit for at least 168 days. During that time the estimated underground price was around $0-$5k.

Upgrading to version 9.0.4 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at SecurityFocus (BID 97284†). Entries connected to this vulnerability are available at VDB-98975, VDB-98974, VDB-98972 and VDB-98973. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.4
VulDB Meta Temp Score: 4.3

VulDB Base Score: 2.8
VulDB Temp Score: 2.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.1
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Cross site scripting
CWE: CWE-79 / CWE-94 / CWE-74
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

OpenVAS ID: 801810
OpenVAS Name: nextCloud share.js Gallery Application XSS Vulnerability (Windows)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: ownCloud Server 9.0.4
Patch: github.com

Timelineinfo

07/19/2016 🔍
10/10/2016 +83 days 🔍
11/19/2016 +40 days 🔍
03/27/2017 +128 days 🔍
03/28/2017 +1 days 🔍
03/28/2017 +0 days 🔍
11/22/2022 +2065 days 🔍

Sourcesinfo

Advisory: 94975af6db1551c2d23136c2ea22866a5b416070
Status: Not defined

CVE: CVE-2016-9459 (🔍)
GCVE (CVE): GCVE-0-2016-9459
GCVE (VulDB): GCVE-100-98971
SecurityFocus: 97284 - ownCloud and Nextcloud CVE-2016-9459 HTML Injection Vulnerability

See also: 🔍

Entryinfo

Created: 03/28/2017 22:14
Updated: 11/22/2022 16:06
Changes: 03/28/2017 22:14 (65), 12/29/2019 13:16 (3), 11/22/2022 16:06 (5)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Might our Artificial Intelligence support you?

Check our Alexa App!