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githubGitHub Advisory DatabaseGHSA-2WP2-CHMH-R934
HistoryMay 13, 2022 - 1:19 a.m.

golang.org/x/net/html NULL Pointer Dereference vulnerability

2022-05-1301:19:23
CWE-476
GitHub Advisory Database
github.com
20
golang
null pointer dereference
vulnerability
html package
parsecurrenttoken
parse.go
html.parse call
software

CVSS2

5

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

AI Score

7.3

Confidence

High

EPSS

0.003

Percentile

65.4%

The html package (aka x/net/html) through 2018-09-17 in Go mishandles <math><template><mo><template>, leading to a โ€œpanic: runtime errorโ€ in parseCurrentToken in parse.go during an html.Parse call

Affected configurations

Vulners
Node
net-dnsnet\Match\dns

CVSS2

5

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

AI Score

7.3

Confidence

High

EPSS

0.003

Percentile

65.4%