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CVE-2020-35857

Date: December 30, 2020

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. Converted from WS-2020-0001, on 2021-01-10.

Language: RUST

Severity Score

7.5

Related Resources (8)

Url: https://rustsec.org/advisories/RUSTSEC-2020-0001.html

Url: https://github.com/bluejekyll/trust-dns/commit/8b9eab05795fdc098976262853b2498055c7a8f3

Url: https://github.com/bluejekyll/trust-dns/pull/982

Url: https://github.com/bluejekyll/trust-dns/issues/980

Url: https://nvd.nist.gov/vuln/detail/CVE-2020-35857

Url: https://github.com/bluejekyll/trust-dns

Url: https://crates.io/crates/trust-dns-server

Url: https://www.mend.io/vulnerability-database/CVE-2020-35857

Severity Score

7.5

Weakness Type (CWE)

Uncontrolled Resource Consumption

CWE-400

CVSS v3.1

Base Score:	7.5
Attack Vector (AV):	NETWORK
Attack Complexity (AC):	LOW
Privileges Required (PR):	NONE
User Interaction (UI):	NONE
Scope (S):	UNCHANGED
Confidentiality (C):	NONE
Integrity (I):	NONE
Availability (A):	HIGH

CVSS v2

Base Score:	5.0
Access Vector (AV):	NETWORK
Access Complexity (AC):	LOW
Authentication (AU):	NONE
Confidentiality (C):	NONE
Integrity (I):	NONE
Availability (A):	PARTIAL
Additional information:

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