{"id":"USN-5964-1","summary":"curl vulnerabilities","details":"Harry Sintonen discovered that curl incorrectly handled certain TELNET\nconnection options. Due to lack of proper input scrubbing, curl could pass\non user name and telnet options to the server as provided, contrary to\nexpectations. (CVE-2023-27533)\n\nHarry Sintonen discovered that curl incorrectly handled special tilde\ncharacters when used with SFTP paths. A remote attacker could possibly use\nthis issue to circumvent filtering. (CVE-2023-27534)\n\nHarry Sintonen discovered that curl incorrectly reused certain FTP\nconnections. This could lead to the wrong credentials being reused,\ncontrary to expectations. (CVE-2023-27535)\n\nHarry Sintonen discovered that curl incorrectly reused connections when the\nGSS delegation option had been changed. This could lead to the option being\nreused, contrary to expectations. (CVE-2023-27536)\n\nHarry Sintonen discovered that curl incorrectly reused certain SSH\nconnections. This could lead to the wrong credentials being reused,\ncontrary to expectations. (CVE-2023-27538)\n","modified":"2026-02-17T22:04:01.794070Z","published":"2023-03-20T12:30:11Z","related":["UBUNTU-CVE-2023-27533","UBUNTU-CVE-2023-27534","UBUNTU-CVE-2023-27535","UBUNTU-CVE-2023-27536","UBUNTU-CVE-2023-27538"],"upstream":["CVE-2023-27533","CVE-2023-27534","CVE-2023-27535","CVE-2023-27536","CVE-2023-27538","UBUNTU-CVE-2023-27533","UBUNTU-CVE-2023-27534","UBUNTU-CVE-2023-27535","UBUNTU-CVE-2023-27536","UBUNTU-CVE-2023-27538"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-5964-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2023-27533"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2023-27534"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2023-27535"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2023-27536"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2023-27538"}],"affected":[{"package":{"name":"curl","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/curl@7.58.0-2ubuntu3.24?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"7.58.0-2ubuntu3.24"}]}],"versions":["7.55.1-1ubuntu2","7.55.1-1ubuntu2.1","7.57.0-1ubuntu1","7.58.0-2ubuntu1","7.58.0-2ubuntu2","7.58.0-2ubuntu3","7.58.0-2ubuntu3.1","7.58.0-2ubuntu3.2","7.58.0-2ubuntu3.3","7.58.0-2ubuntu3.5","7.58.0-2ubuntu3.6","7.58.0-2ubuntu3.7","7.58.0-2ubuntu3.8","7.58.0-2ubuntu3.9","7.58.0-2ubuntu3.10","7.58.0-2ubuntu3.12","7.58.0-2ubuntu3.13","7.58.0-2ubuntu3.14","7.58.0-2ubuntu3.15","7.58.0-2ubuntu3.16","7.58.0-2ubuntu3.17","7.58.0-2ubuntu3.18","7.58.0-2ubuntu3.19","7.58.0-2ubuntu3.20","7.58.0-2ubuntu3.21","7.58.0-2ubuntu3.22","7.58.0-2ubuntu3.23"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_version":"7.58.0-2ubuntu3.24","binary_name":"curl"},{"binary_version":"7.58.0-2ubuntu3.24","binary_name":"libcurl3-gnutls"},{"binary_version":"7.58.0-2ubuntu3.24","binary_name":"libcurl3-nss"},{"binary_version":"7.58.0-2ubuntu3.24","binary_name":"libcurl4"},{"binary_version":"7.58.0-2ubuntu3.24","binary_name":"libcurl4-gnutls-dev"},{"binary_version":"7.58.0-2ubuntu3.24","binary_name":"libcurl4-nss-dev"},{"binary_version":"7.58.0-2ubuntu3.24","binary_name":"libcurl4-openssl-dev"}]},"database_specific":{"cves_map":{"ecosystem":"Ubuntu:18.04:LTS","cves":[{"severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"low","type":"Ubuntu"}],"id":"CVE-2023-27533"},{"severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"low","type":"Ubuntu"}],"id":"CVE-2023-27534"},{"severity":[{"score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N","type":"CVSS_V3"},{"score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2023-27535"},{"severity":[{"score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N","type":"CVSS_V3"},{"score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N","type":"CVSS_V3"},{"score":"low","type":"Ubuntu"}],"id":"CVE-2023-27536"},{"severity":[{"score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","type":"CVSS_V3"},{"score":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H","type":"CVSS_V3"},{"score":"low","type":"Ubuntu"}],"id":"CVE-2023-27538"}]},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-5964-1.json"}},{"package":{"name":"curl","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/curl@7.68.0-1ubuntu2.18?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"7.68.0-1ubuntu2.18"}]}],"versions":["7.65.3-1ubuntu3","7.65.3-1ubuntu4","7.66.0-1ubuntu1","7.67.0-2ubuntu1","7.68.0-1ubuntu1","7.68.0-1ubuntu2","7.68.0-1ubuntu2.1","7.68.0-1ubuntu2.2","7.68.0-1ubuntu2.4","7.68.0-1ubuntu2.5","7.68.0-1ubuntu2.6","7.68.0-1ubuntu2.7","7.68.0-1ubuntu2.10","7.68.0-1ubuntu2.11","7.68.0-1ubuntu2.12","7.68.0-1ubuntu2.13","7.68.0-1ubuntu2.14","7.68.0-1ubuntu2.15","7.68.0-1ubuntu2.16"],"ecosystem_specific":{"availability":"No 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required","binaries":[{"binary_version":"7.68.0-1ubuntu2.18","binary_name":"curl"},{"binary_version":"7.68.0-1ubuntu2.18","binary_name":"libcurl3-gnutls"},{"binary_version":"7.68.0-1ubuntu2.18","binary_name":"libcurl3-nss"},{"binary_version":"7.68.0-1ubuntu2.18","binary_name":"libcurl4"},{"binary_version":"7.68.0-1ubuntu2.18","binary_name":"libcurl4-gnutls-dev"},{"binary_version":"7.68.0-1ubuntu2.18","binary_name":"libcurl4-nss-dev"},{"binary_version":"7.68.0-1ubuntu2.18","binary_name":"libcurl4-openssl-dev"}]},"database_specific":{"cves_map":{"ecosystem":"Ubuntu:20.04:LTS","cves":[{"severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"low","type":"Ubuntu"}],"id":"CVE-2023-27533"},{"severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"low","type":"Ubuntu"}],"id":"CVE-2023-27534"},{"severity":[{"score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N","type":"CVSS_V3"},{"score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2023-27535"},{"severity":[{"score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N","type":"CVSS_V3"},{"score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N","type":"CVSS_V3"},{"score":"low","type":"Ubuntu"}],"id":"CVE-2023-27536"},{"severity":[{"score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","type":"CVSS_V3"},{"score":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H","type":"CVSS_V3"},{"score":"low","type":"Ubuntu"}],"id":"CVE-2023-27538"}]},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-5964-1.json"}},{"package":{"name":"curl","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/curl@7.81.0-1ubuntu1.10?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"7.81.0-1ubuntu1.10"}]}],"versions":["7.74.0-1.3ubuntu2","7.74.0-1.3ubuntu3","7.80.0-3","7.81.0-1","7.81.0-1ubuntu1.1","7.81.0-1ubuntu1.2","7.81.0-1ubuntu1.3","7.81.0-1ubuntu1.4","7.81.0-1ubuntu1.6","7.81.0-1ubuntu1.7","7.81.0-1ubuntu1.8"],"ecosystem_specific":{"availability":"No 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required","binaries":[{"binary_version":"7.81.0-1ubuntu1.10","binary_name":"curl"},{"binary_version":"7.81.0-1ubuntu1.10","binary_name":"libcurl3-gnutls"},{"binary_version":"7.81.0-1ubuntu1.10","binary_name":"libcurl3-nss"},{"binary_version":"7.81.0-1ubuntu1.10","binary_name":"libcurl4"},{"binary_version":"7.81.0-1ubuntu1.10","binary_name":"libcurl4-gnutls-dev"},{"binary_version":"7.81.0-1ubuntu1.10","binary_name":"libcurl4-nss-dev"},{"binary_version":"7.81.0-1ubuntu1.10","binary_name":"libcurl4-openssl-dev"}]},"database_specific":{"cves_map":{"ecosystem":"Ubuntu:22.04:LTS","cves":[{"severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"low","type":"Ubuntu"}],"id":"CVE-2023-27533"},{"severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"low","type":"Ubuntu"}],"id":"CVE-2023-27534"},{"severity":[{"score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N","type":"CVSS_V3"},{"score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2023-27535"},{"severity":[{"score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N","type":"CVSS_V3"},{"score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N","type":"CVSS_V3"},{"score":"low","type":"Ubuntu"}],"id":"CVE-2023-27536"},{"severity":[{"score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","type":"CVSS_V3"},{"score":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H","type":"CVSS_V3"},{"score":"low","type":"Ubuntu"}],"id":"CVE-2023-27538"}]},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-5964-1.json"}}],"schema_version":"1.7.3"}