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MitreCVE-2021-26951

HistoryFeb 09, 2021 - 11:15 p.m.

CVE-2021-26951

2021-02-0923:15:13

CWE-908

CWE-787

mitre

web.nvd.nist.gov

cve-2021-26951

calamine crate

rust

memory claiming

heap-memory

attackers

nvd

CVSS2

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

CVSS3

9.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

9.2

Confidence

High

EPSS

0.005

Percentile

76.7%

JSON

An issue was discovered in the calamine crate before 0.17.0 for Rust. It allows attackers to overwrite heap-memory locations because Vec::set_len is used without proper memory claiming, and this uninitialized memory is used for a user-provided Read operation, as demonstrated by Sectors::get.

Affected configurations

Nvd

Node

calamine_projectcalamineRange<0.17.0rust

VendorProductVersionCPE
calamine_projectcalamine*cpe:2.3:a:calamine_project:calamine:*:*:*:*:*:rust:*:*

Vendor	Product	Version	CPE
calamine_project	calamine	*	cpe:2.3:a:calamine_project:calamine::::::rust::*

References

rustsec.org/advisories/RUSTSEC-2021-0015.html

Social References

CVSS2

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

CVSS3

9.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

9.2

Confidence

High

EPSS

0.005

Percentile

76.7%

JSON

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