CVE-2020-23915

CVSS V2 Medium 4.3 CVSS V3 Medium 5.5
Description
An issue was discovered in cpp-peglib through v0.1.12. peg::resolve_escape_sequence() in peglib.h has a heap-based buffer over-read.
Overview
  • CVE ID
  • CVE-2020-23915
  • Assigner
  • cve@mitre.org
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2021-04-21T18:15:08
  • Last Modified Date
  • 2022-10-26T13:58:57
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:cpp-peglib_project:cpp-peglib:*:*:*:*:*:*:*:* 1 OR 0.1.12
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
  • 3.1
  • Vector String
  • CVSS:3.1/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://cwe.mitre.org/data/definitions/126.html Technical Description
https://github.com/yhirose/cpp-peglib/commit/b3b29ce8f3acf3a32733d930105a17d7b0ba347e Patch Third Party Advisory
https://github.com/yhirose/cpp-peglib/issues/122 Exploit Issue Tracking Third Party Advisory
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2020-23915
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-23915
History
Created Old Value New Value Data Type Notes
2022-05-10 07:14:09 Added to TrackCVE
2022-12-06 02:12:59 2021-04-21T18:15Z 2021-04-21T18:15:08 CVE Published Date updated
2022-12-06 02:12:59 2022-10-26T13:58:57 CVE Modified Date updated
2022-12-06 02:12:59 Analyzed Vulnerability Status updated
2022-12-06 02:13:04 References updated