CVE-2018-12495

CVSS V2 Medium 4.3 CVSS V3 Medium 5.5
Description
The quoteblock function in markdown.c in libmarkdown.a in DISCOUNT 2.2.3a allows remote attackers to cause a denial of service (heap-based buffer over-read) via a crafted file.
Overview
  • CVE ID
  • CVE-2018-12495
  • Assigner
  • cve@mitre.org
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2018-06-15T18:29:00
  • Last Modified Date
  • 2019-05-02T19:25:52
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:discount_project:discount:2.2.3:a:*:*:*:*:*:* 1 OR
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* 1 OR
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/Orc/discount/issues/189#issuecomment-397541501 Exploit Third Party Advisory
https://lists.debian.org/debian-lts-announce/2018/09/msg00009.html Mailing List Third Party Advisory
https://www.debian.org/security/2018/dsa-4293 Third Party Advisory
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2018-12495
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-12495
History
Created Old Value New Value Data Type Notes
2022-05-10 07:53:48 Added to TrackCVE
2022-12-03 08:08:46 2018-06-15T18:29Z 2018-06-15T18:29:00 CVE Published Date updated
2022-12-03 08:08:46 2019-05-02T19:25:52 CVE Modified Date updated
2022-12-03 08:08:46 Analyzed Vulnerability Status updated