CVE-2018-19975
CVSS V2 High 7.1
CVSS V3 Medium 5.5
Description
In YARA 3.8.1, bytecode in a specially crafted compiled rule can read data from any arbitrary address in memory, in libyara/exec.c. Specifically, OP_COUNT can read a DWORD.
Overview
- CVE ID
- CVE-2018-19975
- Assigner
- cve@mitre.org
- Vulnerability Status
- Modified
- Published Version
- 2018-12-17T19:29:01
- Last Modified Date
- 2019-10-06T03:15:10
Weakness Enumerations
CPE Configuration (Product)
CPE | Vulnerable | Operator | Version Start | Version End |
---|---|---|---|---|
cpe:2.3:a:virustotal:yara:3.8.1:*:*:*:*:*:*:* | 1 | OR |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:N/AC:M/Au:N/C:C/I:N/A:N
- Access Vector
- NETWORK
- Access Compatibility
- MEDIUM
- Authentication
- NONE
- Confidentiality Impact
- COMPLETE
- Integrity Impact
- NONE
- Availability Impact
- NONE
- Base Score
- 7.1
- Severity
- HIGH
- Exploitability Score
- 8.6
- Impact Score
- 6.9
CVSS Version 3
- Version
- 3.0
- Vector String
- CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
- Attack Vector
- LOCAL
- Attack Compatibility
- LOW
- Privileges Required
- NONE
- User Interaction
- REQUIRED
- Scope
- UNCHANGED
- Confidentiality Impact
- HIGH
- Availability Impact
- NONE
- Base Score
- 5.5
- Base Severity
- MEDIUM
- Exploitability Score
- 1.8
- Impact Score
- 3.6
References
Reference URL | Reference Tags |
---|---|
https://github.com/VirusTotal/yara/issues/999 | Exploit Issue Tracking Third Party Advisory |
https://github.com/bnbdr/swisscheese/ | Exploit Third Party Advisory |
https://bnbdr.github.io/posts/extracheese/ | Exploit Third Party Advisory |
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/DFFXDAMP6GJ337LIOTVF5I4T6QGMN3ZR/ |
Sources
Source Name | Source URL |
---|---|
NIST | https://nvd.nist.gov/vuln/detail/CVE-2018-19975 |
MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-19975 |
History
Created | Old Value | New Value | Data Type | Notes |
---|---|---|---|---|
2022-05-10 17:15:53 | Added to TrackCVE | |||
2022-12-03 15:27:09 | 2018-12-17T19:29Z | 2018-12-17T19:29:01 | CVE Published Date | updated |
2022-12-03 15:27:09 | 2019-10-06T03:15:10 | CVE Modified Date | updated | |
2022-12-03 15:27:09 | Modified | Vulnerability Status | updated |