VDB-120575 · CVE-2018-13440 · USN-3800-1

audiofile 0.3.6 modules/ModuleState.cpp ModuleState::setup null pointer dereference

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.
5.3	$0-$5k	0.00

Summaryinfo

A vulnerability was found in audiofile 0.3.6. It has been rated as problematic. This issue affects the function ModuleState::setup of the file modules/ModuleState.cpp. The manipulation leads to null pointer dereference. This vulnerability is referenced as CVE-2018-13440. Remote exploitation of the attack is possible. No exploit is available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in audiofile 0.3.6. This issue affects the function ModuleState::setup of the file modules/ModuleState.cpp. The manipulation with an unknown input leads to a null pointer dereference vulnerability. Using CWE to declare the problem leads to CWE-476. A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit. Impacted is availability. The summary by CVE is:

The audiofile Audio File Library 0.3.6 has a NULL pointer dereference bug in ModuleState::setup in modules/ModuleState.cpp, which allows an attacker to cause a denial of service via a crafted caf file, as demonstrated by sfconvert.

The bug was discovered 07/06/2018. The weakness was published 07/08/2018 (Website). It is possible to read the advisory at github.com. The identification of this vulnerability is CVE-2018-13440 since 07/08/2018. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. It demands that the victim is doing some kind of user interaction. Technical details of the vulnerability are known, but there is no available exploit.

The vulnerability was handled as a non-public zero-day exploit for at least 2 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 118392 (Ubuntu 14.04 LTS : audiofile vulnerabilities (USN-3800-1)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Ubuntu Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 197285 (Ubuntu Security Notification for Audiofile Vulnerabilities (USN-3800-1)).

Upgrading eliminates this vulnerability. A possible mitigation has been published 4 months after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (118392). Similar entry is available at VDB-124104. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Name

audiofile

Version

0.3.6

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.4
VulDB Meta Temp Score: 5.3

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.5
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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NVD Base Score: 🔍

Exploitinginfo

Class: Null pointer dereference
CWE: CWE-476 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 118392
Nessus Name: Ubuntu 14.04 LTS : audiofile vulnerabilities (USN-3800-1)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Timelineinfo

07/06/2018 🔍
07/08/2018 +1 days 🔍
07/08/2018 +0 days 🔍
07/08/2018 +0 days 🔍
07/09/2018 +1 days 🔍
10/24/2018 +107 days 🔍
10/25/2018 +1 days 🔍
08/13/2025 +2484 days 🔍

Sourcesinfo

Advisory: USN-3800-1
Status: Confirmed

CVE: CVE-2018-13440 (🔍)
GCVE (CVE): GCVE-0-2018-13440
GCVE (VulDB): GCVE-100-120575
See also: 🔍

Entryinfo

Created: 07/09/2018 10:12
Updated: 08/13/2025 23:25
Changes: 07/09/2018 10:12 (71), 02/26/2020 17:56 (3), 04/05/2023 09:26 (4), 04/05/2023 09:29 (1), 04/05/2023 09:32 (1), 08/13/2025 23:25 (15)
Complete: 🔍
Cache ID: 216::103