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MitreCVE-2017-17497

HistoryDec 10, 2017 - 10:29 p.m.

CVE-2017-17497

2017-12-1022:29:00

CWE-119

mitre

web.nvd.nist.gov

tidy

cve-2017-17497

denial of service

segmentation fault

nvd

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

EPSS

0.001

Percentile

37.8%

JSON

In Tidy 5.7.0, the prvTidyTidyMetaCharset function in clean.c allows attackers to cause a denial of service (Segmentation Fault), because the currentNode variable in the “children of the head” processing feature is modified in the loop without validating the new value.

Affected configurations

Nvd

Node

htacgtidyMatch5.7.0

VendorProductVersionCPE
htacgtidy5.7.0cpe:2.3:a:htacg:tidy:5.7.0:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
htacg	tidy	5.7.0	cpe:2.3:a:htacg:tidy:5.7.0:::::::*

References

github.com/htacg/tidy-html5/issues/656

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

EPSS

0.001

Percentile

37.8%

JSON

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