FFmpeg up to 3.4.2 Array Access vf_signature.c export Filename out-of-bounds

CVSS Meta Temp Score
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Current Exploit Price (≈)
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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.
7.0$0-$5k0.00

Summaryinfo

A vulnerability was found in FFmpeg up to 3.4.2. It has been declared as problematic. Impacted is the function export of the file libavfilter/vf_signature.c of the component Array Access. Executing a manipulation as part of Filename can lead to out-of-bounds. This vulnerability is tracked as CVE-2018-9841. The attack can be launched remotely. No exploit exists.

Detailsinfo

A vulnerability classified as problematic was found in FFmpeg up to 3.4.2 (Multimedia Processing Software). This vulnerability affects the function export of the file libavfilter/vf_signature.c of the component Array Access. The manipulation as part of a Filename leads to a out-of-bounds vulnerability. The CWE definition for the vulnerability is CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. As an impact it is known to affect availability. CVE summarizes:

The export function in libavfilter/vf_signature.c in FFmpeg through 3.4.2 allows remote attackers to cause a denial of service (out-of-array access) or possibly have unspecified other impact via a long filename.

The bug was discovered 04/01/2018. The weakness was disclosed 04/07/2018 (Website). The advisory is shared for download at git.videolan.org. This vulnerability was named CVE-2018-9841 since 04/07/2018. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are known technical details, but no exploit is available.

The vulnerability was handled as a non-public zero-day exploit for at least 6 days. During that time the estimated underground price was around $0-$5k.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.1
VulDB Meta Temp Score: 7.1

VulDB Base Score: 5.3
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.8
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Out-of-bounds
CWE: CWE-125 / CWE-119
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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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Patch: 35eeff30caf34df835206f1c12bcf4b7c2bd6758

Timelineinfo

04/01/2018 🔍
04/07/2018 +6 days 🔍
04/07/2018 +0 days 🔍
04/07/2018 +0 days 🔍
04/08/2018 +1 days 🔍
02/27/2023 +1786 days 🔍

Sourcesinfo

Product: ffmpeg.org

Advisory: git.videolan.org
Status: Not defined

CVE: CVE-2018-9841 (🔍)
GCVE (CVE): GCVE-0-2018-9841
GCVE (VulDB): GCVE-100-115912

Entryinfo

Created: 04/08/2018 11:22
Updated: 02/27/2023 09:49
Changes: 04/08/2018 11:22 (59), 01/23/2020 08:16 (1), 02/27/2023 09:49 (4)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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