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cveMitreCVE-2021-29922
HistoryAug 07, 2021 - 5:15 p.m.

CVE-2021-29922

2021-08-0717:15:06
mitre
web.nvd.nist.gov
113
11
rust
cve-2021-29922
ip address
parsing issue
security vulnerability

CVSS2

6.4

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

CVSS3

9.1

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

9

Confidence

High

EPSS

0.005

Percentile

76.3%

JSON

library/std/src/net/parser.rs in Rust before 1.53.0 does not properly consider extraneous zero characters at the beginning of an IP address string, which (in some situations) allows attackers to bypass access control that is based on IP addresses, because of unexpected octal interpretation.

Affected configurations

Nvd
Node
rust-langrustRange<1.53.0
VendorProductVersionCPE
rust-langrust*cpe:2.3:a:rust-lang:rust:*:*:*:*:*:*:*:*

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CVSS2

6.4

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

CVSS3

9.1

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

9

Confidence

High

EPSS

0.005

Percentile

76.3%

JSON
Related for CVE-2021-29922
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