FFmpeg 3.3.2 RTMP Server Reply libavformat/rtmppkt.c ff_amf_get_field_value input validation

CVSS Meta Temp Score
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CTI Interest Score
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5.8$0-$5k0.00

Summaryinfo

A vulnerability marked as problematic has been reported in FFmpeg 3.3.2. Impacted is the function ff_amf_get_field_value of the file libavformat/rtmppkt.c of the component RTMP Server Reply Handler. The manipulation leads to input validation. This vulnerability is traded as CVE-2017-11665. It is possible to initiate the attack remotely. There is no exploit available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in FFmpeg 3.3.2 (Multimedia Processing Software) and classified as problematic. This issue affects the function ff_amf_get_field_value of the file libavformat/rtmppkt.c of the component RTMP Server Reply Handler. The manipulation with an unknown input leads to a input validation vulnerability. Using CWE to declare the problem leads to CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. Impacted is availability. The summary by CVE is:

The ff_amf_get_field_value function in libavformat/rtmppkt.c in FFmpeg 3.3.2 allows remote RTMP servers to cause a denial of service (Segmentation Violation and application crash) via a crafted stream.

The bug was discovered 07/27/2017. The weakness was shared 07/27/2017 with Ant-financial Light-Year Security Lab (Website). The advisory is shared at gist.github.com. The identification of this vulnerability is CVE-2017-11665 since 07/26/2017. 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. Technical details are known, but no exploit is available.

The vulnerability scanner Nessus provides a plugin with the ID 102807 (Debian DSA-3957-1 : ffmpeg - 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 176136 (Debian Security Update for ffmpeg (DSA 3957-1)).

Upgrading eliminates this vulnerability. A possible mitigation has been published 2 months after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (102807) and SecurityFocus (BID 100017†). The entries VDB-102891, VDB-103711, VDB-104601 and VDB-111123 are related to this item. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.9
VulDB Meta Temp Score: 5.8

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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Exploitinginfo

Class: Input validation
CWE: CWE-20
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: 102807
Nessus Name: Debian DSA-3957-1 : ffmpeg - security update
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 53375
OpenVAS Name: Debian Security Advisory DSA 3957-1 (ffmpeg - security update)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Patch: github.com

Timelineinfo

07/26/2017 🔍
07/27/2017 +1 days 🔍
07/27/2017 +0 days 🔍
07/27/2017 +0 days 🔍
07/27/2017 +0 days 🔍
07/27/2017 +0 days 🔍
08/28/2017 +32 days 🔍
08/29/2017 +1 days 🔍
12/14/2022 +1933 days 🔍

Sourcesinfo

Product: ffmpeg.org

Advisory: ffcc82219cef0928bed2d558b19ef6ea35634130
Researcher: JunDong Xie
Organization: Ant-financial Light-Year Security Lab
Status: Not defined

CVE: CVE-2017-11665 (🔍)
GCVE (CVE): GCVE-0-2017-11665
GCVE (VulDB): GCVE-100-104549

OVAL: 🔍

SecurityFocus: 100017 - FFmpeg 'libavformat/rtmppkt.c' Denial of Service Vulnerability

See also: 🔍

Entryinfo

Created: 07/27/2017 19:02
Updated: 12/14/2022 09:39
Changes: 07/27/2017 19:02 (76), 11/01/2019 16:00 (6), 01/06/2021 14:23 (3), 12/14/2022 09:39 (4)
Complete: 🔍
Cache ID: 216:409:103

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