FFmpeg up to 4.0.1 Waveform Audio File libavformat/movenc.c divide by zero

CVSS Meta Temp Score
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CTI Interest Score
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5.3$0-$5k0.00

Summaryinfo

A vulnerability identified as problematic has been detected in FFmpeg up to 4.0.1. The affected element is an unknown function of the file libavformat/movenc.c of the component Waveform Audio File Handler. This manipulation causes divide by zero. This vulnerability appears as CVE-2018-14394. The attack may be initiated remotely. There is no available exploit. You should upgrade the affected component.

Detailsinfo

A vulnerability has been found in FFmpeg up to 4.0.1 (Multimedia Processing Software) and classified as problematic. Affected by this vulnerability is some unknown functionality of the file libavformat/movenc.c of the component Waveform Audio File Handler. 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. The summary by CVE is:

libavformat/movenc.c in FFmpeg before 4.0.2 allows attackers to cause a denial of service (application crash caused by a divide-by-zero error) with a user crafted Waveform audio file.

The bug was discovered 07/07/2018. The weakness was presented 07/19/2018 (Website). It is possible to read the advisory at github.com. This vulnerability is known as CVE-2018-14394 since 07/18/2018. The attack can be launched remotely. The exploitation doesn't need any form of authentication. 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 attack technique deployed by this issue is T1499 according to MITRE ATT&CK.

The vulnerability was handled as a non-public zero-day exploit for at least 12 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 120988 (Debian DLA-1630-1 : libav 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. The commercial vulnerability scanner Qualys is able to test this issue with plugin 176709 (Debian Security Update for libav (DLA 1630-1)).

Upgrading to version 4.0.2 eliminates this vulnerability. A possible mitigation has been published 7 months after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (120988) and SecurityFocus (BID 99317†). See VDB-102891, VDB-102892, VDB-106023 and VDB-106024 for similar entries. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

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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: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Divide by zero
CWE: CWE-369 / 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: 120988
Nessus Name: Debian DLA-1630-1 : libav security update
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: 🔍

Upgrade: FFmpeg 4.0.2
Patch: github.com

Timelineinfo

06/28/2017 🔍
07/07/2018 +374 days 🔍
07/18/2018 +11 days 🔍
07/19/2018 +0 days 🔍
07/19/2018 +0 days 🔍
07/19/2018 +0 days 🔍
01/07/2019 +172 days 🔍
01/08/2019 +1 days 🔍
04/18/2023 +1561 days 🔍

Sourcesinfo

Product: ffmpeg.org

Advisory: 3a2d21bc5f97aa0161db3ae731fc2732be6108b8
Status: Confirmed

CVE: CVE-2018-14394 (🔍)
GCVE (CVE): GCVE-0-2018-14394
GCVE (VulDB): GCVE-100-121963
SecurityFocus: 99317 - FFmpeg CVE-2017-9994 Heap Buffer Overflow Vulnerability

See also: 🔍

Entryinfo

Created: 07/19/2018 19:31
Updated: 04/18/2023 16:15
Changes: 07/19/2018 19:31 (69), 03/08/2020 16:34 (11), 04/18/2023 16:06 (5), 04/18/2023 16:15 (1)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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