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.
6.5	$0-$5k	0.00

A vulnerability was found in GNU wget up to 1.17 (Automation Software). It has been declared as critical. This vulnerability affects some unknown processing of the component HTTP Redirect Handler. The manipulation with an unknown input leads to a 7pk security vulnerability (File). The CWE definition for the vulnerability is CWE-254. As an impact it is known to affect integrity, and availability. CVE summarizes:

GNU wget before 1.18 allows remote servers to write to arbitrary files by redirecting a request from HTTP to a crafted FTP resource.

The bug was discovered 06/09/2016. The weakness was presented 06/09/2016 by Dawid Golunski as confirmed release notes (Mailing List). The advisory is shared for download at lists.gnu.org. This vulnerability was named CVE-2016-4971 since 05/24/2016. The exploitation appears to be difficult. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Technical details are unknown but a public exploit is available. The MITRE ATT&CK project declares the attack technique as T1211.

A public exploit has been developed by Dawid Golunski in Shell and been published 4 weeks after the advisory. It is possible to download the exploit at legalhackers.com. It is declared as proof-of-concept. The vulnerability scanner Nessus provides a plugin with the ID 91573 (Slackware 13.0 / 13.1 / 13.37 / 14.0 / 14.1 / current : wget (SSA:2016-165-01)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Slackware Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 169147 (SUSE Enterprise Linux Security Update for wget (SUSE-SU-2016:2226-1)).

Upgrading eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (91573) and Exploit-DB (40064). See 100719 and 100720 for similar entries.

Productinfo

Type

• Automation Software

Vendor

• GNU

Name

• wget

Version

• 1.0
• 1.1
• 1.2
• 1.3
• 1.4
• 1.5
• 1.6
• 1.7
• 1.8
• 1.9
• 1.10
• 1.11
• 1.12
• 1.13
• 1.14
• 1.15
• 1.16
• 1.17

License

• open-source

CPE 2.3info

• 🔍
• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍
• 🔍

Video

CVSSv4info

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

CVSSv3info

VulDB Meta Base Score: 6.8
VulDB Meta Temp Score: 6.5

VulDB Base Score: 4.8
VulDB Temp Score: 4.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.8
NVD Vector: 🔍

CVSSv2info

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

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
unlock	unlock	unlock	unlock	unlock	unlock
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Name: File
Class: 7pk security / File
CWE: CWE-254
CAPEC: 🔍
ATT&CK: 🔍

Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Author: Dawid Golunski
Programming Language: 🔍
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	unlock	unlock	unlock	unlock
Today	unlock	unlock	unlock	unlock

Nessus ID: 91573
Nessus Name: Slackware 13.0 / 13.1 / 13.37 / 14.0 / 14.1 / current : wget (SSA:2016-165-01)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 58361
OpenVAS Name: Fedora Update for wget FEDORA-2016-e14374472f
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍
Exploit Delay Time: 🔍

Patch: git.savannah.gnu.org

Timelineinfo

05/24/2016 🔍
06/09/2016 +16 days 🔍
06/09/2016 +0 days 🔍
06/09/2016 +0 days 🔍
06/09/2016 +0 days 🔍
06/14/2016 +5 days 🔍
06/20/2016 +6 days 🔍
06/24/2016 +4 days 🔍
06/30/2016 +6 days 🔍
07/06/2016 +6 days 🔍
08/24/2022 +2240 days 🔍

Sourcesinfo

Vendor: gnu.org

Advisory: USN-3012-1
Researcher: Dawid Golunski
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2016-4971 (🔍)
SecurityTracker: 1036133
SecurityFocus: 91530 - GNU Wget CVE-2016-4971 Arbitrary File Overwrite Vulnerability

scip Labs: https://www.scip.ch/en/?labs.20161013
See also: 🔍

Entryinfo

Created: 06/24/2016 11:05
Updated: 08/24/2022 14:50
Changes: 06/24/2016 11:05 (90), 07/24/2019 12:26 (4), 08/24/2022 14:45 (4), 08/24/2022 14:50 (1)
Complete: 🔍

Discussion

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