FFmpeg up to 3.1.3 libavcodec/cavsdsp.c cavs_idct8_add_c out-of-bounds

CVSS Meta Temp Score
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CTI Interest Score
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6.7$0-$5k0.00

Summaryinfo

A vulnerability has been found in FFmpeg up to 3.1.3 and classified as critical. Affected is the function cavs_idct8_add_c of the file libavcodec/cavsdsp.c. The manipulation leads to out-of-bounds. This vulnerability is listed as CVE-2016-7502. The attack may be initiated remotely. There is no available exploit. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in FFmpeg up to 3.1.3 (Multimedia Processing Software). It has been rated as critical. This issue affects the function cavs_idct8_add_c of the file libavcodec/cavsdsp.c. The manipulation with an unknown input leads to a out-of-bounds vulnerability. Using CWE to declare the problem leads to CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

The cavs_idct8_add_c function in libavcodec/cavsdsp.c in FFmpeg before 3.1.4 is vulnerable to reading out-of-bounds memory when decoding with cavs_decode.

The bug was discovered 12/23/2016. The weakness was presented 12/23/2016 with Qihoo 360 (Website). It is possible to read the advisory at openwall.com. The identification of this vulnerability is CVE-2016-7502 since 09/09/2016. 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 of the vulnerability are known, but there is no available exploit.

The vulnerability scanner Nessus provides a plugin with the ID 94129 (openSUSE Security Update : ffmpeg (openSUSE-2016-1203)), 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. The commercial vulnerability scanner Qualys is able to test this issue with plugin 169282 (OpenSuSE Security Update for ffmpeg (openSUSE-SU-2016:2556-1)).

Upgrading to version 3.1.4 eliminates this vulnerability. A possible mitigation has been published even before and not after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (94129) and SecurityFocus (BID 94834†). See VDB-94641, VDB-94642, VDB-94644 and VDB-94645 for similar entries. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.0
VulDB Meta Temp Score: 6.9

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
NVD Vector: 🔍

CVSSv2info

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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
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Exploitinginfo

Class: Out-of-bounds
CWE: CWE-125 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 94129
Nessus Name: openSUSE Security Update : ffmpeg (openSUSE-2016-1203)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: FFmpeg 3.1.4

Timelineinfo

09/09/2016 🔍
10/08/2016 +29 days 🔍
10/18/2016 +10 days 🔍
10/19/2016 +1 days 🔍
12/23/2016 +65 days 🔍
12/23/2016 +0 days 🔍
12/23/2016 +0 days 🔍
12/23/2016 +0 days 🔍
07/15/2019 +934 days 🔍

Sourcesinfo

Product: ffmpeg.org

Advisory: openwall.com
Organization: Qihoo 360
Status: Not defined

CVE: CVE-2016-7502 (🔍)
GCVE (CVE): GCVE-0-2016-7502
GCVE (VulDB): GCVE-100-94643
SecurityFocus: 94834 - FFmpeg CVE-2016-7502 Out of Bounds Read Denial of Service Vulnerability

See also: 🔍

Entryinfo

Created: 12/23/2016 10:13
Updated: 07/15/2019 07:06
Changes: 12/23/2016 10:13 (70), 07/15/2019 07:06 (6)
Complete: 🔍
Cache ID: 216:299:103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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