What is CVE-2017-9104?

CVE-2017-9104 is a critical-severity software vulnerability (Uncontrolled resource consumption) with a CVSS score of 9.8. An issue was discovered in adns before 1.5.2. It hangs, eating CPU, if a compression pointer loop is encountered.

Is CVE-2017-9104 being actively exploited?

It is not currently in CISA's KEV catalog. Its EPSS exploitation probability is 2%.

What products does CVE-2017-9104 affect?

Tracked products affected include Fedora. Check the version you run to see whether it is affected.

How do I fix CVE-2017-9104?

Apply the vendor fix promptly. Upgrade affected products to a fixed version.

← All products

CVE-2017-9104

CRITICAL severity · CVSS 9.8 · Uncontrolled resource consumption

9.8CVSS CRITICAL

Summary

An issue was discovered in adns before 1.5.2. It hangs, eating CPU, if a compression pointer loop is encountered.

Impact & exploitability

Attack vectorNetwork

Attack complexityLow

Privileges requiredNone

User interactionNone

Confidentiality impactHigh

Integrity impactHigh

Availability impactHigh

Exploit probability (EPSS)2%

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

Affected products we track (1)

Fedora

Recommendation

Apply the vendor fix promptly. Open any affected product above for its exact safe version.

Additional information

NVD record
http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00037.htmlAdvisory
http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=adns.gitAdvisory
http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=adns.git%3Ba=blob%3Bf=changelog
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TRVHN3GGVNQWAOL3PWC5FLAV7HUESLZR/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UGFZ4SPV6KFQK6ZNUZFB5Y32OYFOM5YJ/
https://www.chiark.greenend.org.uk/pipermail/adns-announce/2020/000004.htmlAdvisory