VDB-149659 · CVE-2019-15618 · GCVE-0-2019-15618

NextCloud 15.0.5 Updater Reflected 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.
3.6	$0-$5k	0.00

Summaryinfo

A vulnerability classified as problematic has been found in NextCloud 15.0.5. This issue affects some unknown processing of the component Updater. This manipulation causes cross site scripting (Reflected). The identification of this vulnerability is CVE-2019-15618. It is possible to initiate the attack remotely. There is no exploit available.

Detailsinfo

A vulnerability was found in NextCloud 15.0.5 (Cloud Software). It has been declared as problematic. Affected by this vulnerability is some unknown processing of the component Updater. The manipulation with an unknown input leads to a cross site scripting vulnerability (Reflected). 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:

Missing escaping of HTML in the Updater of Nextcloud 15.0.5 allowed a reflected XSS when starting the updater from a malicious location.

The weakness was shared 02/04/2020. This vulnerability is known as CVE-2019-15618 since 08/26/2019. The attack can be launched remotely. Required 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.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The entry VDB-149657 is related to this item. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

Cloud Software

Name

NextCloud

Version

15.0.5

License

open-source

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.6
VulDB Meta Temp Score: 3.6

VulDB Base Score: 2.4
VulDB Temp Score: 2.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 4.8
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

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

NVD Base Score: 🔍

Exploitinginfo

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

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

08/26/2019 🔍
02/04/2020 +162 days 🔍
02/05/2020 +1 days 🔍
03/28/2024 +1513 days 🔍

Sourcesinfo

Advisory: hackerone.com
Status: Not defined

CVE: CVE-2019-15618 (🔍)
GCVE (CVE): GCVE-0-2019-15618
GCVE (VulDB): GCVE-100-149659
See also: 🔍

Entryinfo

Created: 02/05/2020 10:52
Updated: 03/28/2024 09:25
Changes: 02/05/2020 10:52 (36), 02/05/2020 10:57 (18), 03/28/2024 09:25 (17)
Complete: 🔍
Cache ID: 216::103

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