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cveMitreCVE-2019-20633
HistoryMar 25, 2020 - 5:15 p.m.

CVE-2019-20633

2020-03-2517:15:14
CWE-415
mitre
web.nvd.nist.gov
228
2
cve-2019-20633
gnu patch
double free
pch.c
denial of service
crafted patch file

CVSS2

4.3

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

CVSS3

5.5

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

AI Score

6.2

Confidence

High

EPSS

0.035

Percentile

91.5%

JSON

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.

Affected configurations

Nvd
Node
gnupatchRange≤2.7.6
VendorProductVersionCPE
gnupatch*cpe:2.3:a:gnu:patch:*:*:*:*:*:*:*:*

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CVSS2

4.3

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

CVSS3

5.5

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

AI Score

6.2

Confidence

High

EPSS

0.035

Percentile

91.5%

JSON
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