CVE-2018-20456

CVSS V2 Medium 4.3 CVSS V3 Medium 5.5
Description
In radare2 prior to 3.1.1, the parseOperand function inside libr/asm/p/asm_x86_nz.c may allow attackers to cause a denial of service (application crash in libr/util/strbuf.c via a stack-based buffer over-read) by crafting an input file, a related issue to CVE-2018-20455.
Overview
  • CVE ID
  • CVE-2018-20456
  • Assigner
  • cve@mitre.org
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2018-12-25T19:29:00
  • Last Modified Date
  • 2018-12-31T14:15:48
Weakness Enumerations
CWE URL
CWE-125 http://cwe.mitre.org/data/definitions/125.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:a:radare:radare2:*:*:*:*:*:*:*:* 1 OR 3.1.1
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:M/Au:N/C:N/I:N/A:P
  • Access Vector
  • NETWORK
  • Access Compatibility
  • MEDIUM
  • Authentication
  • NONE
  • Confidentiality Impact
  • NONE
  • Integrity Impact
  • NONE
  • Availability Impact
  • PARTIAL
  • Base Score
  • 4.3
  • Severity
  • MEDIUM
  • Exploitability Score
  • 8.6
  • Impact Score
  • 2.9
CVSS Version 3
  • Version
  • 3.0
  • Vector String
  • CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
  • Attack Vector
  • LOCAL
  • Attack Compatibility
  • LOW
  • Privileges Required
  • NONE
  • User Interaction
  • REQUIRED
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • NONE
  • Availability Impact
  • HIGH
  • Base Score
  • 5.5
  • Base Severity
  • MEDIUM
  • Exploitability Score
  • 1.8
  • Impact Score
  • 3.6
References
Reference URL Reference Tags
https://github.com/radare/radare2/issues/12372 Exploit Third Party Advisory
https://github.com/radare/radare2/commit/9b46d38dd3c4de6048a488b655c7319f845af185 Patch Third Party Advisory
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2018-20456
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-20456
History
Created Old Value New Value Data Type Notes
2022-05-10 17:48:57 Added to TrackCVE
2022-12-03 15:45:13 2018-12-25T19:29Z 2018-12-25T19:29:00 CVE Published Date updated
2022-12-03 15:45:13 2018-12-31T14:15:48 CVE Modified Date updated
2022-12-03 15:45:13 Analyzed Vulnerability Status updated