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Ubuntu Security Notice USN-6429-3
October 17, 2023
curl vulnerabilities
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A security issue affects these releases of Ubuntu and its derivatives:
Summary:
Several security issues were fixed in curl.
Software Description:
Details:
USN-6429-1 fixed vulnerabilities in curl. This update provides the
corresponding updates for Ubuntu 23.10.
Original advisory details:
  Jay Satiro discovered that curl incorrectly handled hostnames when using a
  SOCKS5 proxy. In environments where curl is configured to use a SOCKS5
  proxy, a remote attacker could possibly use this issue to execute arbitrary
  code. This issue only affected Ubuntu 22.04 LTS, and Ubuntu 23.04.
  (CVE-2023-38545)
   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)
Update instructions:
The problem can be corrected by updating your system to the following
package versions:
In general, a standard system update will make all the necessary changes.
References:
   https://ubuntu.com/security/notices/USN-6429-3
   https://ubuntu.com/security/notices/USN-6429-1
   CVE-2023-38545, CVE-2023-38546