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Ubuntu 23.04: USN-6429-1 Moderate Curl Code Execution and Injection

ubuntu
Calendar Grey October 11, 2023
Dist Ubuntu Esm H88
News regarding fixed curl vulnerabilities across multiple Ubuntu versions. Keep your system safe by updating to the newest releases.
Several security issues were fixed in curl.

Summary

A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 23.04 - Ubuntu 22.04 LTS - Ubuntu 20.04 LTS Summary: Several security issues were fixed in curl. Software Description: - curl: HTTP, HTTPS, and FTP client and client libraries 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)

Topics%20covered

Topics Covered

security advisory moderate security issue code execution ubuntu curl cookie injection

Update Instructions

The problem can be corrected by updating your system to the following package versions: Ubuntu 23.04: curl 7.88.1-8ubuntu2.3 libcurl3-gnutls 7.88.1-8ubuntu2.3 libcurl3-nss 7.88.1-8ubuntu2.3 libcurl4 7.88.1-8ubuntu2.3 Ubuntu 22.04 LTS: curl 7.81.0-1ubuntu1.14 libcurl3-gnutls 7.81.0-1ubuntu1.14 libcurl3-nss 7.81.0-1ubuntu1.14 libcurl4 7.81.0-1ubuntu1.14 Ubuntu 20.04 LTS: curl 7.68.0-1ubuntu2.20 libcurl3-gnutls 7.68.0-1ubuntu2.20 libcurl3-nss 7.68.0-1ubuntu2.20 libcurl4 7.68.0-1ubuntu2.20 In general, a standard system update will make all the necessary changes.

References

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

CVE-2023-38545, CVE-2023-38546

Severity
important
Lowest
Low
Medium
High
Critical

Ubuntu Security Notice USN-6429-1

Topics%20covered

Topics Covered

security advisory moderate security issue code execution ubuntu curl cookie injection

Package Information

https://launchpad.net/ubuntu/+source/curl/7.88.1-8ubuntu2.3 https://launchpad.net/ubuntu/+source/curl/7.81.0-1ubuntu1.14 https://launchpad.net/ubuntu/+source/curl/7.68.0-1ubuntu2.20

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