Vulnerabilities
Misconfiguration
Runtime Security
Compliance
CVE Vulnerabilities

CVE-2018-20994

Uncontrolled Recursion

Published: Aug 26, 2019 | Modified: Aug 24, 2020
CVSS 3.x
7.5
HIGH
Source:
NVD
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS 2.x
5 MEDIUM
AV:N/AC:L/Au:N/C:N/I:N/A:P
RedHat/V2
RedHat/V3
Ubuntu
Additional information
NVDhttps://nvd.nist.gov/vuln/detail/CVE-2018-20994
CWEhttps://cwe.mitre.org/data/definitions/674.html

An issue was discovered in the trust-dns-proto crate before 0.5.0-alpha.3 for Rust. There is infinite recursion because DNS message compression is mishandled.

Weakness

The product does not properly control the amount of recursion that takes place, consuming excessive resources, such as allocated memory or the program stack.

Affected Software

Name Vendor Start Version End Version
Trust-dns-proto Trust-dns-proto_project * 0.4.3 (excluding)
Trust-dns-proto Trust-dns-proto_project 0.5.0-alpha.1 (including) 0.5.0-alpha.1 (including)
Trust-dns-proto Trust-dns-proto_project 0.5.0-alpha.2 (including) 0.5.0-alpha.2 (including)

Potential Mitigations

References

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