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MitreCVE-2018-18651

HistoryOct 25, 2018 - 1:29 p.m.

CVE-2018-18651

2018-10-2513:29:00

CWE-834

mitre

web.nvd.nist.gov

xpdf

4.00

vulnerability

dos

pdf

file

nvd

cve-2018-18651

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

AI Score

5.3

Confidence

High

EPSS

0.001

Percentile

24.9%

JSON

An issue was discovered in Xpdf 4.00. catalog->getNumPages() in AcroForm.cc allows attackers to launch a denial of service (hang caused by large loop) via a specific pdf file, as demonstrated by pdftohtml. This is mainly caused by a large number after the /Count field in the file.

Affected configurations

Nvd

Node

xpdfreaderxpdfMatch4.00

VendorProductVersionCPE
xpdfreaderxpdf4.00cpe:2.3:a:xpdfreader:xpdf:4.00:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
xpdfreader	xpdf	4.00	cpe:2.3:a:xpdfreader:xpdf:4.00:::::::*

References

exchange.xforce.ibmcloud.com/vulnerabilities/152005

forum.xpdfreader.com/viewtopic.php?f=3&t=41219&p=41747#p41747

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

AI Score

5.3

Confidence

High

EPSS

0.001

Percentile

24.9%

JSON

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