FFmpeg libavcodec/pictordec.c decode_frame out-of-bounds write
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 8.4 | $0-$5k | 0.00 |
Summary
A vulnerability, which was classified as critical, has been found in FFmpeg. This affects the function decode_frame of the file libavcodec/pictordec.c. Performing a manipulation results in out-of-bounds write.
This vulnerability is cataloged as CVE-2017-7862. It is possible to initiate the attack remotely. There is no exploit available.
It is advisable to upgrade the affected component.
Details
A vulnerability, which was classified as critical, was found in FFmpeg (Multimedia Processing Software) (affected version unknown). This affects the function decode_frame of the file libavcodec/pictordec.c. The manipulation with an unknown input leads to a out-of-bounds write vulnerability. CWE is classifying the issue as CWE-787. The product writes data past the end, or before the beginning, of the intended buffer. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:
FFmpeg before 2017-02-07 has an out-of-bounds write caused by a heap-based buffer overflow related to the decode_frame function in libavcodec/pictordec.c.
The bug was discovered 04/14/2017. The weakness was shared 04/14/2017 (Website). The advisory is shared at securityfocus.com. This vulnerability is uniquely identified as CVE-2017-7862 since 04/14/2017. The exploitability is told to be easy. 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 scanner Nessus provides a plugin with the ID 99722 (openSUSE Security Update : ffmpeg (openSUSE-2017-524)), 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 176191 (Debian Security Update for libav (DSA 4012-1)).
Upgrading 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 (99722) and SecurityFocus (BID 97676†). The entries VDB-96751, VDB-96752, VDB-98343 and VDB-99846 are related to this item. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.
Product
Type
Name
License
Website
- Product: https://ffmpeg.org/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 8.5VulDB Meta Temp Score: 8.4
VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 9.8
NVD Vector: 🔍
CVSSv2
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| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Out-of-bounds writeCWE: CWE-787 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍
Physical: No
Local: No
Remote: Yes
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
| 0-Day | Unlock | Unlock | Unlock | Unlock |
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| Today | Unlock | Unlock | Unlock | Unlock |
Nessus ID: 99722
Nessus Name: openSUSE Security Update : ffmpeg (openSUSE-2017-524)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
OpenVAS ID: 53380
OpenVAS Name: Debian Security Advisory DSA 4012-1 (libav - security update)
OpenVAS File: 🔍
OpenVAS Family: 🔍
Qualys ID: 🔍
Qualys Name: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Patch: github.com
Timeline
02/07/2017 🔍02/07/2017 🔍
04/14/2017 🔍
04/14/2017 🔍
04/14/2017 🔍
04/14/2017 🔍
04/14/2017 🔍
04/28/2017 🔍
11/29/2022 🔍
Sources
Product: ffmpeg.orgAdvisory: 8c2ea3030af7b40a3c4275696fb5c76cdb80950a⛔
Status: Not defined
CVE: CVE-2017-7862 (🔍)
GCVE (CVE): GCVE-0-2017-7862
GCVE (VulDB): GCVE-100-99849
OVAL: 🔍
SecurityFocus: 97676 - FFmpeg CVE-2017-7862 Heap Buffer Overflow Vulnerability
OSVDB: - CVE-2017-7862 - FFmpeg - Buffer Overflow Issue
See also: 🔍
Entry
Created: 04/14/2017 11:12Updated: 11/29/2022 10:57
Changes: 04/14/2017 11:12 (78), 11/29/2022 10:57 (5)
Complete: 🔍
Cache ID: 216:E70:103
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