Ubuntu.comUB:CVE-2018-15856CVE-2018-15856
5.5 Medium
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
2.1 Low
CVSS2
Access Vector
LOCAL
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:L/AC:L/Au:N/C:N/I:N/A:P
0.0004 Low
EPSS
Percentile
14.2%
An infinite loop when reaching EOL unexpectedly in compose/parser.c (aka
the keymap parser) in xkbcommon before 0.8.1 could be used by local
attackers to cause a denial of service during parsing of crafted keymap
files.
Bugs
Notes
| Author | Note |
|---|---|
| leosilva | Trusty need to be researched since code is quite different and /compose is not present. |
| OS | Version | Architecture | Package | Version | Filename |
|---|---|---|---|---|---|
| ubuntu | 18.04 | noarch | libxkbcommon | < 0.8.0-1ubuntu0.1 | UNKNOWN |
| ubuntu | 14.04 | noarch | libxkbcommon | < 0.4.1-0ubuntu1.1 | UNKNOWN |
| ubuntu | 16.04 | noarch | libxkbcommon | < 0.5.0-1ubuntu2.1 | UNKNOWN |
References
launchpad.net/bugs/cve/CVE-2018-15856
lists.freedesktop.org/archives/wayland-devel/2018-August/039232.html
nvd.nist.gov/vuln/detail/CVE-2018-15856
security-tracker.debian.org/tracker/CVE-2018-15856
ubuntu.com/security/notices/USN-3786-1
ubuntu.com/security/notices/USN-3786-2
www.cve.org/CVERecord?id=CVE-2018-15856
Related
5.5 Medium
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
2.1 Low
CVSS2
Access Vector
LOCAL
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:L/AC:L/Au:N/C:N/I:N/A:P
0.0004 Low
EPSS
Percentile
14.2%