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Ubuntu 18.04/16.04 LTS USN-6718-2 Severe: Curl Denial Of Service

ubuntu
Calendar Grey March 27, 2024
Dist Ubuntu Esm H88
Ubuntu USN-6718-3 tackles a critical issue in curl that could lead to unexpected service disruption; vital update directives included.
curl could be made to denial of service.

Summary

curl could be made to denial of service.

Software Description:

- curl: HTTP, HTTPS, and FTP client and client libraries

Details:

USN-6718-1 fixed a vulnerability in curl. This update provides

the corresponding update for Ubuntu 16.04 LTS and Ubuntu 18.04 LTS.

Original advisory details:

It was discovered that curl incorrectly handled memory when limiting the

amount of headers when HTTP/2 server push is allowed. A remote attacker

could possibly use this issue to cause curl to consume resources, leading

to a denial of service. (CVE-2024-2398)

Topics%20covered

Topics Covered

security advisory denial of service update instructions ubuntu curl severity: severe

Update Instructions

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 18.04 LTS (Available with Ubuntu Pro):
  curl                            7.58.0-2ubuntu3.24+esm4
  libcurl3-gnutls                 7.58.0-2ubuntu3.24+esm4
  libcurl3-nss                    7.58.0-2ubuntu3.24+esm4
  libcurl4                        7.58.0-2ubuntu3.24+esm4

Ubuntu 16.04 LTS (Available with Ubuntu Pro):
  curl                            7.47.0-1ubuntu2.19+esm12
  libcurl3                        7.47.0-1ubuntu2.19+esm12
  libcurl3-gnutls                 7.47.0-1ubuntu2.19+esm12
  libcurl3-nss                    7.47.0-1ubuntu2.19+esm12

In general, a standard system update will make all the necessary changes.

References

https://ubuntu.com/security/notices/USN-6718-2

https://ubuntu.com/security/notices/USN-6718-1

CVE-2024-2398

Severity
important
Lowest
Low
Medium
High
Critical

Ubuntu Security Notice USN-6718-2

Topics%20covered

Topics Covered

security advisory denial of service update instructions ubuntu curl severity: severe

Package Information

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