CVE-2018-11743
CVSS V2 High 7.5
CVSS V3 Critical 9.8
Description
The init_copy function in kernel.c in mruby 1.4.1 makes initialize_copy calls for TT_ICLASS objects, which allows attackers to cause a denial of service (mrb_hash_keys uninitialized pointer and application crash) or possibly have unspecified other impact.
Overview
- CVE ID
- CVE-2018-11743
- Assigner
- cve@mitre.org
- Vulnerability Status
- Analyzed
- Published Version
- 2018-06-05T13:29:00
- Last Modified Date
- 2022-05-12T20:11:55
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| cpe:2.3:a:mruby:mruby:1.4.1:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* | 1 | OR |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:N/AC:L/Au:N/C:P/I:P/A:P
- Access Vector
- NETWORK
- Access Compatibility
- LOW
- Authentication
- NONE
- Confidentiality Impact
- PARTIAL
- Integrity Impact
- PARTIAL
- Availability Impact
- PARTIAL
- Base Score
- 7.5
- Severity
- HIGH
- Exploitability Score
- 10
- Impact Score
- 6.4
CVSS Version 3
- Version
- 3.1
- Vector String
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Attack Vector
- NETWORK
- Attack Compatibility
- LOW
- Privileges Required
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality Impact
- HIGH
- Availability Impact
- HIGH
- Base Score
- 9.8
- Base Severity
- CRITICAL
- Exploitability Score
- 3.9
- Impact Score
- 5.9
References
| Reference URL | Reference Tags |
|---|---|
| https://github.com/mruby/mruby/issues/4027 | Issue Tracking Third Party Advisory |
| https://github.com/mruby/mruby/commit/b64ce17852b180dfeea81cf458660be41a78974d | Patch Third Party Advisory |
| https://lists.debian.org/debian-lts-announce/2022/05/msg00006.html |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2018-11743 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-11743 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-08 06:19:00 | Added to TrackCVE | |||
| 2022-12-03 07:12:19 | 2018-06-05T13:29Z | 2018-06-05T13:29:00 | CVE Published Date | updated |
| 2022-12-03 07:12:19 | 2022-05-12T20:11:55 | CVE Modified Date | updated | |
| 2022-12-03 07:12:19 | Analyzed | Vulnerability Status | updated |