[USN-5499-1] curl vulnerabilities


========================================================================== Ubuntu Security Notice USN-5499-1 July 01, 2022
curl vulnerabilities ==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
– Ubuntu 16.04 ESM – Ubuntu 14.04 ESM
Summary:
Several security issues were fixed in curl.
Software Description: – curl: HTTP, HTTPS, and FTP client and client libraries
Details:
Florian Kohnhuser discovered that curl incorrectly handled returning a TLS server’s certificate chain details. A remote attacker could possibly use this issue to cause curl to stop responding, resulting in a denial of service. (CVE-2022-27781)
Harry Sintonen discovered that curl incorrectly handled certain FTP-KRB messages. An attacker could possibly use this to perform a machine-in-the-middle attack. (CVE-2022-32208)
Update instructions:
The problem can be corrected by updating your system to the following package versions:
Ubuntu 16.04 ESM: curl 7.47.0-1ubuntu2.19+esm4 libcurl3 7.47.0-1ubuntu2.19+esm4 libcurl3-gnutls 7.47.0-1ubuntu2.19+esm4 libcurl3-nss 7.47.0-1ubuntu2.19+esm4
Ubuntu 14.04 ESM: curl 7.35.0-1ubuntu2.20+esm11 libcurl3 7.35.0-1ubuntu2.20+esm11 libcurl3-gnutls 7.35.0-1ubuntu2.20+esm11 libcurl3-nss 7.35.0-1ubuntu2.20+esm11
In general, a standard system update will make all the necessary changes.
References: ubuntu.com/security/notices/USN-5499-1 CVE-2022-27781, CVE-2022-32208