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MitreCVE-2021-39538

HistorySep 20, 2021 - 4:15 p.m.

CVE-2021-39538

2021-09-2016:15:12

CWE-476

mitre

web.nvd.nist.gov

pdftools

cve-2021-39538

null pointer dereference

objnode.cpp

denial of service

nvd

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

EPSS

0.001

Percentile

23.5%

JSON

An issue was discovered in pdftools through 20200714. A NULL pointer dereference exists in the function node::ObjNode::Value() located in objnode.cpp. It allows an attacker to cause Denial of Service.

Affected configurations

Nvd

Node

pdftools_projectpdftoolsRange≤2020-07-14

VendorProductVersionCPE
pdftools_projectpdftools*cpe:2.3:a:pdftools_project:pdftools:*:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
pdftools_project	pdftools	*	cpe:2.3:a:pdftools_project:pdftools::::::::

References

github.com/leonhad/pdftools/issues/4

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

EPSS

0.001

Percentile

23.5%

JSON

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