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Ubuntu 20.04 LTS USN-8452-1 Important: Libxml2 XML Entity Expansion

ubuntu
Calendar Grey October 11, 2023
Dist Ubuntu Esm H88
Debian 9, 8, and 7 resolve wget complications tied to session management. Confirm your installation is current.
Several security issues were fixed in curl.

Summary

Several security issues were fixed in curl.

Software Description:

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

Details:

USN-6429-1 fixed a vulnerability in curl. This update provides

the corresponding update for Ubuntu 14.04 LTS, Ubuntu 16.04 LTS

and Ubuntu 18.04 LTS.

Original advisory details:

It was discovered that curl incorrectly handled cookies when an application

duplicated certain handles. A local attacker could possibly create a cookie

file and inject arbitrary cookies into subsequent connections.

(CVE-2023-38546)

Topics%20covered

Topics Covered

security advisory critical Ubuntu system update local attack curl cookie injection

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+esm2
  libcurl3-gnutls                 7.58.0-2ubuntu3.24+esm2
  libcurl3-nss                    7.58.0-2ubuntu3.24+esm2
  libcurl4                        7.58.0-2ubuntu3.24+esm2

Ubuntu 16.04 LTS (Available with Ubuntu Pro):
  curl                            7.47.0-1ubuntu2.19+esm10
  libcurl3                        7.47.0-1ubuntu2.19+esm10
  libcurl3-gnutls                 7.47.0-1ubuntu2.19+esm10
  libcurl3-nss                    7.47.0-1ubuntu2.19+esm10

Ubuntu 14.04 LTS (Available with Ubuntu Pro):
  curl                            7.35.0-1ubuntu2.20+esm17
  libcurl3                        7.35.0-1ubuntu2.20+esm17
  libcurl3-gnutls                 7.35.0-1ubuntu2.20+esm17
  libcurl3-nss                    7.35.0-1ubuntu2.20+esm17

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

References

https://ubuntu.com/security/notices/USN-6429-2

https://ubuntu.com/security/notices/USN-6429-1

CVE-2023-38546

Severity
important
Lowest
Low
Medium
High
Critical

Ubuntu Security Notice USN-6429-2

Topics%20covered

Topics Covered

security advisory critical Ubuntu system update local attack curl cookie injection

Package Information

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