click Path install.py access control

EntryHistoryDiffjsonxmlCTI

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.
8.5	$0-$5k	0.00

A vulnerability classified as critical was found in click (affected version unknown). This vulnerability affects an unknown functionality of the file install.py of the component Path Handler. The manipulation with an unknown input leads to a access control vulnerability. The CWE definition for the vulnerability is CWE-264. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

install.py in click allows remote attackers to gain privileges via a data tarball containing a file with a crafted path.

The bug was discovered 01/12/2016. The weakness was disclosed 02/13/2017 (oss-sec). The advisory is shared for download at openwall.com. This vulnerability was named CVE-2015-8768 since 01/12/2016. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1068. Responsible for the vulnerability is the following code:

if data_name != "." and not data_name.startswith("./"):

The vulnerability was handled as a non-public zero-day exploit for at least 398 days. During that time the estimated underground price was around $0-$5k.

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

Productinfo

Name

click

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.5
VulDB Meta Temp Score: 8.5

VulDB Base Score: 7.3
VulDB Temp Score: 7.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
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

Class: Access control
CWE: CWE-264
CAPEC: 🔍
ATT&CK: 🔍

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

OpenVAS ID: 54464
OpenVAS Name: Ubuntu Update for click USN-2771-1
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

01/12/2016 🔍
01/12/2016 +0 days 🔍
02/13/2017 +398 days 🔍
02/13/2017 +0 days 🔍
02/14/2017 +1 days 🔍
02/22/2017 +8 days 🔍
11/14/2022 +2091 days 🔍

Sourcesinfo

Advisory: usn-2771-1
Status: Not defined
Confirmation: 🔍

CVE: CVE-2015-8768 (🔍)
SecurityFocus: 96386 - Click CVE-2015-8768 Privilege Escalation Vulnerability
OSVDB: - CVE-2015-8768 - Click - Privilege Escalation Issue

Entryinfo

Created: 02/14/2017 09:03
Updated: 11/14/2022 08:16
Changes: 02/14/2017 09:03 (61), 09/01/2020 18:16 (6), 11/14/2022 08:13 (2), 11/14/2022 08:16 (1)
Complete: 🔍