Ubuntu.comUB:CVE-2018-6406CVE-2018-6406
8.8 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
6.8 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:M/Au:N/C:P/I:P/A:P
0.002 Low
EPSS
Percentile
61.6%
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.
Bugs
Notes
| Author | Note |
|---|---|
| mdeslaur | marking chromium-browser as ignored as we do full-version upgrades and we rely on upstream’s bundled libwebm |
References
github.com/dwfault/PoCs/blob/master/libwebm%20ParseVP9SuperFrameIndex%20memory%20corruption/libwebm%20ParseVP9SuperFrameIndex%20OOB%20read.md
launchpad.net/bugs/cve/CVE-2018-6406
nvd.nist.gov/vuln/detail/CVE-2018-6406
security-tracker.debian.org/tracker/CVE-2018-6406
www.cve.org/CVERecord?id=CVE-2018-6406
Related
8.8 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
6.8 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:M/Au:N/C:P/I:P/A:P
0.002 Low
EPSS
Percentile
61.6%