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Ubuntu Security Notice USN-5499-1
Ubuntu Security Notice 5499-1 - 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. 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.
==========================================================================Ubuntu Security Notice USN-5499-1July 01, 2022curl vulnerabilities==========================================================================A security issue affects these releases of Ubuntu and its derivatives:- Ubuntu 16.04 ESM- Ubuntu 14.04 ESMSummary:Several security issues were fixed in curl.Software Description:- curl: HTTP, HTTPS, and FTP client and client librariesDetails:Florian Kohnhuser discovered that curl incorrectly handled returning aTLS server’s certificate chain details. A remote attacker could possiblyuse this issue to cause curl to stop responding, resulting in a denial ofservice. (CVE-2022-27781)Harry Sintonen discovered that curl incorrectly handled certain FTP-KRBmessages. An attacker could possibly use this to perform amachine-in-the-middle attack. (CVE-2022-32208)Update instructions:The problem can be corrected by updating your system to the followingpackage versions:Ubuntu 16.04 ESM:curl 7.47.0-1ubuntu2.19+esm4libcurl3 7.47.0-1ubuntu2.19+esm4libcurl3-gnutls 7.47.0-1ubuntu2.19+esm4libcurl3-nss 7.47.0-1ubuntu2.19+esm4Ubuntu 14.04 ESM:curl 7.35.0-1ubuntu2.20+esm11libcurl3 7.35.0-1ubuntu2.20+esm11libcurl3-gnutls 7.35.0-1ubuntu2.20+esm11libcurl3-nss 7.35.0-1ubuntu2.20+esm11In general, a standard system update will make all the necessary changes.References:https://ubuntu.com/security/notices/USN-5499-1CVE-2022-27781, CVE-2022-32208
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