CVE Vulnerability

CVE-2019-6293

An issue was discovered in the function mark_beginning_as_normal in nfa.c in flex 2.6.4. There is a stack exhaustion problem caused by the mark_beginning_as_normal function making recursive calls to itself in certain scenarios involving lots of '*' characters. Remote attackers could leverage this vulnerability to cause a denial-of-service.

4.3 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 8.6 / Impact : 2.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

Scope

5.5 /10

CVSS v3.0 : 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

References
Link Resource
https://github.com/westes/flex/issues/414 Exploit Third Party Advisory
Configurations

Configuration 1

cpe:2.3:a:flex_project:flex:2.6.4:*:*:*:*:*:*:*
Information

Published : 2019-01-15 12:29

Updated : 2020-08-24 05:37

NVD link : CVE-2019-6293

Mitre link : CVE-2019-6293

Products Affected
No products.
CWE
CWE-674

Uncontrolled Recursion