FFmpeg HLS Playlist encoding error

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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4.6$0-$5k0.00

Summaryinfo

A vulnerability was found in FFmpeg and classified as problematic. This vulnerability affects unknown code of the component HLS Playlist Handler. Executing a manipulation can lead to encoding error. The identification of this vulnerability is CVE-2023-6602. The attack may be launched remotely. Furthermore, there is an exploit available.

Detailsinfo

A vulnerability was found in FFmpeg (the affected version is unknown). It has been declared as problematic. This vulnerability affects an unknown code of the component HLS Playlist Handler. The manipulation with an unknown input leads to a encoding error vulnerability. The CWE definition for the vulnerability is CWE-172. The product does not properly encode or decode the data, resulting in unexpected values. As an impact it is known to affect confidentiality. CVE summarizes:

A flaw was found in FFmpeg's TTY Demuxer. This vulnerability allows possible data exfiltration via improper parsing of non-TTY-compliant input files in HLS playlists.

The weakness was shared by Harvey Phillips. The advisory is available at bugzilla.redhat.com. This vulnerability was named CVE-2023-6602 since 12/08/2023. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Successful exploitation requires user interaction by the victim. Technical details are unknown but a public exploit is available.

It is possible to download the exploit at bugzilla.suse.com. It is declared as proof-of-concept. The vulnerability scanner Nessus provides a plugin with the ID 242064 (Debian dla-4241 : ffmpeg - security update), which helps to determine the existence of the flaw in a target environment.

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

The vulnerability is also documented in the vulnerability database at Tenable (242064). If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.8
VulDB Meta Temp Score: 4.6

VulDB Base Score: 4.3
VulDB Temp Score: 3.9
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 5.3
CNA Vector: 🔍

CVSSv2info

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

Exploitinginfo

Class: Encoding error
CWE: CWE-172
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 242064
Nessus Name: Debian dla-4241 : ffmpeg - security update

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

12/08/2023 🔍
11/27/2024 +355 days 🔍
11/27/2024 +0 days 🔍
07/15/2025 +230 days 🔍

Sourcesinfo

Product: ffmpeg.org

Advisory: bugzilla.redhat.com
Researcher: Harvey Phillips
Status: Not defined

CVE: CVE-2023-6602 (🔍)
GCVE (CVE): GCVE-0-2023-6602
GCVE (VulDB): GCVE-100-286234
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 11/27/2024 07:37
Updated: 07/15/2025 05:20
Changes: 11/27/2024 07:37 (53), 12/31/2024 18:38 (12), 02/23/2025 04:52 (3), 07/15/2025 05:20 (2)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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