CVE Vulnerability

CVE-2019-20633

GNU patch through 2.7.6 contains a free(p_line[p_end]) Double Free vulnerability in the function another_hunk in pch.c that can cause a denial of service via a crafted patch file. NOTE: this issue exists because of an incomplete fix for CVE-2018-6952.

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://savannah.gnu.org/bugs/index.php?56683 Exploit Vendor Advisory
Configurations

Configuration 1

cpe:2.3:a:gnu:patch:*:*:*:*:*:*:*:*
Information

Published : 2020-03-25 05:15

Updated : 2020-11-05 02:54

NVD link : CVE-2019-20633

Mitre link : CVE-2019-20633

Products Affected
No products.
CWE
CWE-415