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MitreCVE-2020-35857

HistoryDec 31, 2020 - 10:15 a.m.

CVE-2020-35857

2020-12-3110:15:14

CWE-400

mitre

web.nvd.nist.gov

cve-2020-35857

trust-dns-server

rust

dns

srv

stack consumption

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

AI Score

7.4

Confidence

High

EPSS

0.001

Percentile

48.0%

JSON

An issue was discovered in the trust-dns-server crate before 0.18.1 for Rust. DNS MX and SRV null targets are mishandled, causing stack consumption.

Affected configurations

Nvd

Node

trust-dns-server_projecttrust-dns-serverRange0.16.0–0.18.1rust

VendorProductVersionCPE
trust-dns-server_projecttrust-dns-server*cpe:2.3:a:trust-dns-server_project:trust-dns-server:*:*:*:*:*:rust:*:*

Vendor	Product	Version	CPE
trust-dns-server_project	trust-dns-server	*	cpe:2.3:a:trust-dns-server_project:trust-dns-server::::::rust::*

References

github.com/bluejekyll/trust-dns/commit/8b9eab05795fdc098976262853b2498055c7a8f3

rustsec.org/advisories/RUSTSEC-2020-0001.html

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

AI Score

7.4

Confidence

High

EPSS

0.001

Percentile

48.0%

JSON

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