VDB-122087 · CVE-2018-1999012 · BID 104896

FFmpeg resource consumption

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.1$0-$5k0.00

A vulnerability, which was classified as problematic, has been found in FFmpeg (Multimedia Processing Software) (version unknown). This issue affects an unknown function. The manipulation with an unknown input leads to a resource consumption vulnerability. Using CWE to declare the problem leads to CWE-400. The product does not properly control the allocation and maintenance of a limited resource, thereby enabling an actor to influence the amount of resources consumed, eventually leading to the exhaustion of available resources. Impacted is availability. The summary by CVE is:

FFmpeg before commit 9807d3976be0e92e4ece3b4b1701be894cd7c2e1 contains a CWE-835: Infinite loop vulnerability in pva format demuxer that can result in a Vulnerability that allows attackers to consume excessive amount of resources like CPU and RAM. This attack appear to be exploitable via specially crafted PVA file has to be provided as input. This vulnerability appears to have been fixed in 9807d3976be0e92e4ece3b4b1701be894cd7c2e1 and later.

The bug was discovered 07/03/2018. The weakness was disclosed 07/23/2018 by Paul (GitHub Repository). It is possible to read the advisory at github.com. The identification of this vulnerability is CVE-2018-1999012 since 07/23/2018. 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. The technical details are unknown and an exploit is not publicly available. 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 20 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 120076 (SUSE SLED15 / SLES15 Security Update : ffmpeg (SUSE-SU-2018:2305-1)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family SuSE Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 176766 (Debian Security Update for libav (DLA 1740-1)).

Applying the patch 9807d3976be0e92e4ece3b4b1701be894cd7c2e1 is able to eliminate this problem. A possible mitigation has been published 3 weeks after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (120076). The entries 76807, 106026, 111271 and 112644 are pretty similar.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

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

CVSSv3info

VulDB Meta Base Score: 5.4
VulDB Meta Temp Score: 5.1

VulDB Base Score: 4.3
VulDB Temp Score: 3.8
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: Resource consumption
CWE: CWE-400 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 120076
Nessus Name: SUSE SLED15 / SLES15 Security Update : ffmpeg (SUSE-SU-2018:2305-1)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

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

Patch: 9807d3976be0e92e4ece3b4b1701be894cd7c2e1

Timelineinfo

07/03/2018 🔍
07/23/2018 +19 days 🔍
07/23/2018 +0 days 🔍
07/23/2018 +0 days 🔍
07/23/2018 +0 days 🔍
07/23/2018 +0 days 🔍
08/10/2018 +18 days 🔍
01/02/2019 +145 days 🔍
04/25/2023 +1574 days 🔍

Sourcesinfo

Product: ffmpeg.org

Advisory: 9807d3976be0e92e4ece3b4b1701be894cd7c2e1
Researcher: Paul
Status: Not defined
Confirmation: 🔍

CVE: CVE-2018-1999012 (🔍)
SecurityFocus: 104896 - FFmpeg Multiple Security Vulnerabilities

See also: 🔍

Entryinfo

Created: 07/23/2018 18:21
Updated: 04/25/2023 11:43
Changes: 07/23/2018 18:21 (70), 03/09/2020 15:29 (6), 04/25/2023 11:37 (5), 04/25/2023 11:43 (1)
Complete: 🔍

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