FFmpeg up to 3.3.3 SDP File rtpdec_h264.c sdp_parse_fmtp_config_h264 Parameter memory corruption

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.6$0-$5k0.00

A vulnerability classified as critical has been found in FFmpeg up to 3.3.3 (Multimedia Processing Software). This affects the function sdp_parse_fmtp_config_h264 of the file libavformat/rtpdec_h264.c of the component SDP File Handler. The manipulation as part of a Parameter leads to a memory corruption vulnerability. CWE is classifying the issue as CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

The sdp_parse_fmtp_config_h264 function in libavformat/rtpdec_h264.c in FFmpeg before 3.3.4 mishandles empty sprop-parameter-sets values, which allows remote attackers to cause a denial of service (heap buffer overflow) or possibly have unspecified other impact via a crafted sdp file.

The bug was discovered 08/24/2017. The weakness was released 09/27/2017 (GitHub Repository). The advisory is shared at github.com. This vulnerability is uniquely identified as CVE-2017-14767 since 09/27/2017. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details are known, but no exploit is available.

The vulnerability was handled as a non-public zero-day exploit for at least 34 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 103758 (Debian DSA-3996-1 : 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 176709 (Debian Security Update for libav (DLA 1630-1)).

Upgrading to version 3.3.4 eliminates this vulnerability. A possible mitigation has been published 2 weeks after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (103758). Entries connected to this vulnerability are available at 102891, 102892, 106023 and 106024.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

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

CVSSv3info

VulDB Meta Base Score: 8.0
VulDB Meta Temp Score: 7.6

VulDB Base Score: 7.3
VulDB Temp Score: 6.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.8
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

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Exploitinginfo

Class: Memory corruption
CWE: CWE-119
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 103758
Nessus Name: Debian DSA-3996-1 : ffmpeg - security update
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 53378
OpenVAS Name: Debian Security Advisory DSA 3996-1 (ffmpeg - security update)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Upgrade: FFmpeg 3.3.4
Patch: github.com

Timelineinfo

08/24/2017 🔍
09/27/2017 +34 days 🔍
09/27/2017 +0 days 🔍
09/27/2017 +0 days 🔍
09/27/2017 +0 days 🔍
09/28/2017 +1 days 🔍
10/10/2017 +12 days 🔍
10/11/2017 +1 days 🔍
12/30/2022 +1906 days 🔍

Sourcesinfo

Product: ffmpeg.org

Advisory: DLA 1630-1
Researcher: Bingchang
Status: Not defined
Confirmation: 🔍

CVE: CVE-2017-14767 (🔍)
OVAL: 🔍

SecurityFocus: 101019 - FFmpeg CVE-2017-14767 Heap Buffer Overflow Vulnerability

See also: 🔍

Entryinfo

Created: 09/28/2017 08:57
Updated: 12/30/2022 10:05
Changes: 09/28/2017 08:57 (80), 11/20/2019 08:37 (5), 01/14/2021 15:21 (2), 12/30/2022 10:05 (4)
Complete: 🔍

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