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.
6.0	$0-$5k	0.00

A vulnerability, which was classified as critical, was found in FFmpeg (Multimedia Processing Software) (affected version unknown). Affected is an unknown functionality of the component RM File Handler. The manipulation with an unknown input leads to a use after free vulnerability. CWE is classifying the issue as CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

FFmpeg before commit a7e032a277452366771951e29fd0bf2bd5c029f0 contains a use-after-free vulnerability in the realmedia demuxer that can result in vulnerability allows attacker to read heap memory. This attack appear to be exploitable via specially crafted RM file has to be provided as input. This vulnerability appears to have been fixed in a7e032a277452366771951e29fd0bf2bd5c029f0 and later.

The bug was discovered 07/03/2018. The weakness was presented 07/23/2018 by Paul (GitHub Repository). The advisory is shared for download at github.com. This vulnerability is traded as CVE-2018-1999013 since 07/23/2018. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available.

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.

Applying the patch a7e032a277452366771951e29fd0bf2bd5c029f0 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). See 111271, 122085, 122086 and 122087 for similar entries.

Productinfo

Type

• Multimedia Processing Software

Name

• FFmpeg

License

• open-source

CPE 2.3info

• 🔍

CPE 2.2info

• 🔍

CVSSv4info

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

CVSSv3info

VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.0

VulDB Base Score: 6.3
VulDB Temp Score: 5.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.5
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: Use after free
CWE: CWE-416 / CWE-119
ATT&CK: Unknown

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

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

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

Patch: a7e032a277452366771951e29fd0bf2bd5c029f0

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: a7e032a277452366771951e29fd0bf2bd5c029f0
Researcher: Paul
Status: Not defined
Confirmation: 🔍

CVE: CVE-2018-1999013 (🔍)
SecurityFocus: 104896 - FFmpeg Multiple Security Vulnerabilities

See also: 🔍

Entryinfo

Created: 07/23/2018 18:22
Updated: 04/25/2023 11:50
Changes: 07/23/2018 18:22 (69), 03/09/2020 15:32 (6), 04/25/2023 11:50 (5)
Complete: 🔍

Discussion

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