CVE-2020-23914

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2020-23914
An issue was discovered in cpp-peglib through v0.1.12. A NULL pointer dereference exists in the peg::AstOptimizer::optimize() located in peglib.h. It allows an attacker to cause Denial of Service.

5.5 /10

CVSS v3 : MEDIUM

V3 Legend

Vector :

Exploitability : 1.8 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

4.3 /10

CVSS v2.0 : MEDIUM

V2 Legend

Vector : AV:N/AC:M/Au:N/C:N/I:N/A:P

Exploitability : 8.6 / Impact : 2.9

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

References
Link Resource
https://github.com/yhirose/cpp-peglib/commit/0061f393de54cf0326621c079dc2988336d1ebb3 Patch Third Party Advisory
https://github.com/yhirose/cpp-peglib/issues/121 Exploit Third Party Advisory
Configurations

Configuration 1 (hide)

cpe:2.3:a:cpp-peglib_project:cpp-peglib:*:*:*:*:*:*:*:*
History

26 Apr 2021, 17:22

Type Values Removed Values Added
CWE CWE-476
CPE cpe:2.3:a:cpp-peglib_project:cpp-peglib:*:*:*:*:*:*:*:*
CVSS v2 : unknown
v3 : unknown 		v2 : 4.3
v3 : 5.5
References (MISC) https://github.com/yhirose/cpp-peglib/issues/121 - (MISC) https://github.com/yhirose/cpp-peglib/issues/121 - Exploit, Third Party Advisory
References (MISC) https://github.com/yhirose/cpp-peglib/commit/0061f393de54cf0326621c079dc2988336d1ebb3 - (MISC) https://github.com/yhirose/cpp-peglib/commit/0061f393de54cf0326621c079dc2988336d1ebb3 - Patch, Third Party Advisory

21 Apr 2021, 19:23

Type Values Removed Values Added
New CVE
Information

Published : 2021-04-21 18:15

Updated : 2023-12-10 13:55

NVD link : CVE-2020-23914

Mitre link : CVE-2020-23914

CVE.ORG link : CVE-2020-23914

JSON object : View

Products Affected

cpp-peglib_project

  • cpp-peglib
CWE
CWE-476

NULL Pointer Dereference