CVE-2018-15857
CVSS V2 Medium 4.6
CVSS V3 High 7.8
Description
An invalid free in ExprAppendMultiKeysymList in xkbcomp/ast-build.c in xkbcommon before 0.8.1 could be used by local attackers to crash xkbcommon keymap parsers or possibly have unspecified other impact by supplying a crafted keymap file.
Overview
- CVE ID
- CVE-2018-15857
- Assigner
- cve@mitre.org
- Vulnerability Status
- Modified
- Published Version
- 2018-08-25T21:29:01
- Last Modified Date
- 2019-08-06T17:15:25
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| cpe:2.3:a:xkbcommon:libxkbcommon:*:*:*:*:*:*:*:* | 1 | OR | 0.8.1 | |
| cpe:2.3:a:xkbcommon:xkbcommon:*:*:*:*:*:*:*:* | 1 | OR | 0.8.1 | |
| cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:* | 1 | OR | ||
| cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:* | 1 | OR | ||
| cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:* | 1 | OR |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:L/AC:L/Au:N/C:P/I:P/A:P
- Access Vector
- LOCAL
- Access Compatibility
- LOW
- Authentication
- NONE
- Confidentiality Impact
- PARTIAL
- Integrity Impact
- PARTIAL
- Availability Impact
- PARTIAL
- Base Score
- 4.6
- Severity
- MEDIUM
- Exploitability Score
- 3.9
- Impact Score
- 6.4
CVSS Version 3
- Version
- 3.0
- Vector String
- CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- Attack Vector
- LOCAL
- Attack Compatibility
- LOW
- Privileges Required
- LOW
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality Impact
- HIGH
- Availability Impact
- HIGH
- Base Score
- 7.8
- Base Severity
- HIGH
- Exploitability Score
- 1.8
- Impact Score
- 5.9
References
| Reference URL | Reference Tags |
|---|---|
| https://lists.freedesktop.org/archives/wayland-devel/2018-August/039232.html | Mailing List Patch Third Party Advisory |
| https://github.com/xkbcommon/libxkbcommon/commit/c1e5ac16e77a21f87bdf3bc4dea61b037a17dddb | Patch Third Party Advisory |
| https://usn.ubuntu.com/3786-1/ | Third Party Advisory |
| https://security.gentoo.org/glsa/201810-05 | Third Party Advisory |
| https://usn.ubuntu.com/3786-2/ | Third Party Advisory |
| https://access.redhat.com/errata/RHSA-2019:2079 |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2018-15857 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-15857 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 17:39:29 | Added to TrackCVE | |||
| 2022-12-03 11:28:50 | 2018-08-25T21:29Z | 2018-08-25T21:29:01 | CVE Published Date | updated |
| 2022-12-03 11:28:50 | 2019-08-06T17:15:25 | CVE Modified Date | updated | |
| 2022-12-03 11:28:50 | Modified | Vulnerability Status | updated |