CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
6.0 | $0-$5k | 0.00 |
A vulnerability, which was classified as critical, has been found in FFmpeg up to 1.2.1 (Multimedia Processing Software). Affected by this issue is the function smacker_decode_header_tree
of the file libavcodec/smacker.c. The manipulation with an unknown input leads to a off-by-one vulnerability. Using CWE to declare the problem leads to CWE-193. A product calculates or uses an incorrect maximum or minimum value that is 1 more, or 1 less, than the correct value. Impacted is confidentiality, integrity, and availability.
The weakness was disclosed 06/12/2013 by Mateusz Jurczyk and Gynvael Coldwind with Google Security Team as smacker: fix an off by one in huff.length computation as confirmed git commit (GIT Repository). The advisory is available at git.videolan.org. The public release has been coordinated in cooperation with the vendor. The exploitation is known to be difficult. The attack needs to be done within the local network. No form of authentication is required for exploitation. Technical details are known, but there is no available exploit.
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 9366, 9365, 9363 and 9360 are pretty similar.
Affected
- FFmpeg
- Libav
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: 6.3VulDB Meta Temp Score: 6.0
VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv2
AV | AC | Au | C | I | A |
---|---|---|---|---|---|
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
---|---|---|---|---|---|
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: Off-by-oneCWE: CWE-193 / CWE-189
ATT&CK: Unknown
Local: No
Remote: Partially
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
06/12/2013 🔍06/12/2013 🔍
07/10/2013 🔍
05/06/2018 🔍
Sources
Product: ffmpeg.orgAdvisory: smacker: fix an off by one in huff.length computation
Researcher: Mateusz Jurczyk, Gynvael Coldwind
Organization: Google Security Team
Status: Confirmed
Coordinated: 🔍
OSVDB: 94885
See also: 🔍
Entry
Created: 07/10/2013 11:46Updated: 05/06/2018 11:36
Changes: 07/10/2013 11:46 (49), 05/06/2018 11:36 (2)
Complete: 🔍
Committer:
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