Vulnerability Description
The function ParseVP9SuperFrameIndex in common/libwebm_util.cc in libwebm through 2018-01-30 does not validate the child_frame_length data obtained from a .webm file, which allows remote attackers to cause an information leak or a denial of service (heap-based buffer over-read and later out-of-bounds write), or possibly have unspecified other impact.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Webmproject | Libwebm | <= 2018-01-30 |
Related Weaknesses (CWE)
References
- https://bugs.chromium.org/p/webm/issues/detail?id=1492Permissions Required
- https://github.com/dwfault/PoCs/blob/master/libwebm%20ParseVP9SuperFrameIndex%20Broken Link
- https://bugs.chromium.org/p/webm/issues/detail?id=1492Permissions Required
- https://github.com/dwfault/PoCs/blob/master/libwebm%20ParseVP9SuperFrameIndex%20Broken Link
FAQ
What is CVE-2018-6406?
CVE-2018-6406 is a vulnerability with a CVSS score of 8.8 (HIGH). The function ParseVP9SuperFrameIndex in common/libwebm_util.cc in libwebm through 2018-01-30 does not validate the child_frame_length data obtained from a .webm file, which allows remote attackers to ...
How severe is CVE-2018-6406?
CVE-2018-6406 has been rated HIGH with a CVSS base score of 8.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2018-6406?
Check the references section above for vendor advisories and patch information. Affected products include: Webmproject Libwebm.