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CVE-2019-13050

HIGHCVSS 7.5/10EPSS 2.66%

Last modified

CVE-2019-13050 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. Interaction between the sks-keyserver code through 1.2.0 of the SKS keyserver network, and GnuPG through 2.2.16, makes it risky to have a GnuPG keyserver configuration line referring to a host on the SKS keyserver network. Retrieving data from this network may cause a persistent denial of service, because of a Certificate Spamming Attack.. EPSS estimates a 2.66% chance of exploitation in the next 30 days.

Description

Interaction between the sks-keyserver code through 1.2.0 of the SKS keyserver network, and GnuPG through 2.2.16, makes it risky to have a GnuPG keyserver configuration line referring to a host on the SKS keyserver network. Retrieving data from this network may cause a persistent denial of service, because of a Certificate Spamming Attack.

Metrics

CVSS 3.1
7.5/10

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

EPSS Probability
2.66%

83.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
GnupgGnupg<= 2.2.16
Sks Keyserver ProjectSks Keyserver<= 1.2.0
FedoraprojectFedora29
FedoraprojectFedora30
OpensuseLeap15.0
OpensuseLeap15.1
F5Traffix Signaling Delivery Controller>= 5.0.0, <= 5.1.0

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2019-13050?
Interaction between the sks-keyserver code through 1.2.0 of the SKS keyserver network, and GnuPG through 2.2.16, makes it risky to have a GnuPG keyserver configuration line referring to a host on the SKS keyserver network. Retrieving data from this network may cause a persistent denial of service, because of a Certificate Spamming Attack.
How severe is CVE-2019-13050?
CVE-2019-13050 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 2.66% probability of exploitation in the next 30 days.
How do I fix CVE-2019-13050?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2019-13050?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST