CVE-2018-20994 — HIGH (7.5)

Q: What is CVE-2018-20994?

CVE-2018-20994 is a vulnerability with a CVSS score of 7.5 (HIGH). 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.

Q: How severe is CVE-2018-20994?

CVE-2018-20994 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Q: Is there a patch for CVE-2018-20994?

Check the references section above for vendor advisories and patch information. Affected products include: Trust-Dns-Proto Project Trust-Dns-Proto.

Vulnerability Description

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.

CVSS Score

7.5

HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

NONE

Availability

HIGH

Affected Products

Vendor	Product	Versions
Trust-Dns-Proto Project	Trust-Dns-Proto	< 0.4.3

Related Weaknesses (CWE)

CWE-674

References

https://rustsec.org/advisories/RUSTSEC-2018-0007.htmlThird Party Advisory
https://rustsec.org/advisories/RUSTSEC-2018-0007.htmlThird Party Advisory

FAQ

What is CVE-2018-20994?

CVE-2018-20994 is a vulnerability with a CVSS score of 7.5 (HIGH). 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.

How severe is CVE-2018-20994?

CVE-2018-20994 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2018-20994?

Check the references section above for vendor advisories and patch information. Affected products include: Trust-Dns-Proto Project Trust-Dns-Proto.