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Red Hat: CVE-2019-13050: CVE-2019-13050 GnuPG: interaction between the sks-keyserver code and GnuPG allows for a Certificate Spamming Attack which leads to persistent DoS (Multiple Advisories)

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Red Hat: CVE-2019-13050: CVE-2019-13050 GnuPG: interaction between the sks-keyserver code and GnuPG allows for a Certificate Spamming Attack which leads to persistent DoS (Multiple Advisories)

Severity
5
CVSS
(AV:N/AC:L/Au:N/C:N/I:N/A:P)
Published
06/29/2019
Created
11/06/2020
Added
11/05/2020
Modified
12/15/2023

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.

Solution(s)

  • redhat-upgrade-gnupg2
  • redhat-upgrade-gnupg2-debuginfo
  • redhat-upgrade-gnupg2-debugsource
  • redhat-upgrade-gnupg2-smime
  • redhat-upgrade-gnupg2-smime-debuginfo

References

  • CVE-2019-13050
  • RHSA-2020:4490

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