FFmpeg 2.0 Frame Size libavformat/smacker.c smacker_read_packet integer coercion
CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
9.5 | $0-$5k | 0.00 |
A vulnerability classified as very critical has been found in FFmpeg 2.0 (Multimedia Processing Software). This affects the function smacker_read_packet
of the file libavformat/smacker.c of the component Frame Size Handler. The manipulation with an unknown input leads to a integer coercion vulnerability. CWE is classifying the issue as CWE-192. Integer coercion refers to a set of flaws pertaining to the type casting, extension, or truncation of primitive data types. This is going to have an impact on confidentiality, integrity, and availability.
The issue has been introduced in 07/11/2013. The weakness was shared 09/11/2013 by Mateusz Jurczyk and Gynvael Coldwind with Google Security Team as smacker: Avoid integer overflow when allocating packets as confirmed git commit (GIT Repository). The advisory is shared at git.libav.org. The vendor cooperated in the coordination of the public release. The exploitability is told to be difficult. 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 price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 04/15/2019).
The vulnerability was handled as a non-public zero-day exploit for at least 62 days. During that time the estimated underground price was around $0-$5k.
Applying a patch is able to eliminate this problem. The bugfix is ready for download at git.libav.org. A possible mitigation has been published immediately after the disclosure of the vulnerability.
The entries 10267, 10268, 10271 and 10272 are related to this item.
Affected
- FFmpeg 2.0
- Libav 9.9
Product
Type
Name
Version
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB CVSS-B Score: 🔍VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 10.0VulDB Meta Temp Score: 9.5
VulDB Base Score: 10.0
VulDB Temp Score: 9.5
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv2
AV | AC | Au | C | I | A |
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💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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unlock | unlock | unlock | unlock | unlock | unlock |
unlock | unlock | unlock | unlock | unlock | unlock |
unlock | unlock | unlock | unlock | unlock | unlock |
VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
Exploiting
Class: Integer coercionCWE: CWE-192 / CWE-189
ATT&CK: Unknown
Local: No
Remote: Yes
Availability: 🔍
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔍
0-Day | unlock | unlock | unlock | unlock |
---|---|---|---|---|
Today | unlock | unlock | unlock | unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: PatchStatus: 🔍
Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍
Patch: git.libav.org
Timeline
07/11/2013 🔍09/11/2013 🔍
09/11/2013 🔍
09/16/2013 🔍
09/16/2013 🔍
04/15/2019 🔍
Sources
Product: ffmpeg.orgAdvisory: smacker: Avoid integer overflow when allocating packets
Researcher: Mateusz Jurczyk, Gynvael Coldwind
Organization: Google Security Team
Status: Confirmed
Coordinated: 🔍
Secunia: 54857 - FFmpeg Multiple Vulnerabilities, Highly Critical
OSVDB: 97313
See also: 🔍
Entry
Created: 09/16/2013 10:13Updated: 04/15/2019 18:51
Changes: 09/16/2013 10:13 (57), 04/15/2019 18:51 (1)
Complete: 🔍
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