========================================================================== Ubuntu Security Notice USN-5891-1 February 27, 2023
curl vulnerabilities ========================================================================== A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 22.10 - Ubuntu 22.04 LTS - Ubuntu 20.04 LTS - Ubuntu 18.04 LTS Summary: Several security issues were fixed in curl. Software Description: - curl: HTTP, HTTPS, and FTP client and client libraries Details: Harry Sintonen discovered that curl incorrectly handled HSTS support when multiple URLs are requested serially. A remote attacker could possibly use this issue to cause curl to use unencrypted connections. This issue only affected Ubuntu 22.04 LTS, and Ubuntu 22.10. (CVE-2023-23914) Harry Sintonen discovered that curl incorrectly handled HSTS support when multiple URLs are requested in parallel. A remote attacker could possibly use this issue to cause curl to use unencrypted connections. This issue only affected Ubuntu 22.04 LTS, and Ubuntu 22.10. (CVE-2023-23915) Patrick Monnerat discovered that curl incorrectly handled memory when processing requests with multi-header compression. A remote attacker could possibly use this issue to cause curl to consume resources, leading to a denial of service. (CVE-2023-23916) Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 22.10: curl 7.85.0-1ubuntu0.3 libcurl3-gnutls 7.85.0-1ubuntu0.3 libcurl3-nss 7.85.0-1ubuntu0.3 libcurl4 7.85.0-1ubuntu0.3 Ubuntu 22.04 LTS: curl 7.81.0-1ubuntu1.8 libcurl3-gnutls 7.81.0-1ubuntu1.8 libcurl3-nss 7.81.0-1ubuntu1.8 libcurl4 7.81.0-1ubuntu1.8 Ubuntu 20.04 LTS: curl 7.68.0-1ubuntu2.16 libcurl3-gnutls 7.68.0-1ubuntu2.16 libcurl3-nss 7.68.0-1ubuntu2.16 libcurl4 7.68.0-1ubuntu2.16 Ubuntu 18.04 LTS: curl 7.58.0-2ubuntu3.23 libcurl3-gnutls 7.58.0-2ubuntu3.23 libcurl3-nss 7.58.0-2ubuntu3.23 libcurl4 7.58.0-2ubuntu3.23 In general, a standard system update will make all the necessary changes. References: https://ubuntu.com/security/notices/USN-5891-1 CVE-2023-23914, CVE-2023-23915, CVE-2023-23916 Package Information: https://launchpad.net/ubuntu/+source/curl/7.85.0-1ubuntu0.3 https://launchpad.net/ubuntu/+source/curl/7.81.0-1ubuntu1.8 https://launchpad.net/ubuntu/+source/curl/7.68.0-1ubuntu2.16 https://launchpad.net/ubuntu/+source/curl/7.58.0-2ubuntu3.23
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Description: OpenPGP digital signature
