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-$5k	0.00

Summaryinfo

A vulnerability was found in GNU Libextractor 1.4. It has been rated as problematic. This issue affects the function EXTRACTOR_wav_extract_method of the file wav_extractor.c. The manipulation leads to divide by zero. The identification of this vulnerability is CVE-2017-15266. An attack has to be approached locally. There is no exploit available. It is recommended to upgrade the affected component. Once again VulDB remains the best source for vulnerability data.

Detailsinfo

A vulnerability was found in GNU Libextractor 1.4. It has been declared as problematic. This vulnerability affects the function EXTRACTOR_wav_extract_method of the file wav_extractor.c. The manipulation with an unknown input leads to a divide by zero vulnerability. The CWE definition for the vulnerability is CWE-369. The product divides a value by zero. As an impact it is known to affect availability. CVE summarizes:

In GNU Libextractor 1.4, there is a Divide-By-Zero in EXTRACTOR_wav_extract_method in wav_extractor.c via a zero sample rate.

The bug was discovered 10/11/2017. The weakness was published 10/11/2017 with Huawei (Website). The advisory is shared for download at lists.gnu.org. This vulnerability was named CVE-2017-15266 since 10/11/2017. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Successful exploitation requires user interaction by the victim. There are known technical details, but no exploit is available.

The vulnerability scanner Nessus provides a plugin with the ID 105009 (Debian DLA-1198-1 : libextractor security update), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Debian Local Security Checks and running in the context l.

Upgrading eliminates this vulnerability. A possible mitigation has been published 2 months after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (105009) and SecurityFocus (BID 101271†). Similar entries are available at VDB-107801, VDB-108001, VDB-108002 and VDB-108003. Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

• GNU

Name

• Libextractor

Version

• 1.4

License

• open-source

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: 3.3
VulDB Temp Score: 3.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.5
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: Divide by zero
CWE: CWE-369 / CWE-404
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

Nessus ID: 105009
Nessus Name: Debian DLA-1198-1 : libextractor security update
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Timelineinfo

10/11/2017 🔍
10/11/2017 +0 days 🔍
10/11/2017 +0 days 🔍
10/11/2017 +0 days 🔍
10/11/2017 +0 days 🔍
10/12/2017 +1 days 🔍
12/04/2017 +53 days 🔍
12/05/2017 +1 days 🔍
01/03/2023 +1855 days 🔍

Sourcesinfo

Vendor: gnu.org

Advisory: DLA 1198-1
Researcher: Zhao Liang, Huawei Weiran Labs.
Organization: Huawei
Status: Not defined

CVE: CVE-2017-15266 (🔍)
GCVE (CVE): GCVE-0-2017-15266
GCVE (VulDB): GCVE-100-107800
SecurityFocus: 101271 - Libextractor 'wav_extractor.c' Divide By Zero Denial of Service Vulnerability

See also: 🔍

Entryinfo

Created: 10/12/2017 10:39 AM
Updated: 01/03/2023 11:07 AM
Changes: 10/12/2017 10:39 AM (68), 11/24/2019 11:52 AM (6), 01/16/2021 06:54 PM (2), 01/03/2023 11:07 AM (3)
Complete: 🔍
Cache ID: 18:829:40

Discussion

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