{"id":"USN-4617-1","summary":"spice-vdagent vulnerabilities","details":"Matthias Gerstner discovered that SPICE vdagent incorrectly handled the\nactive_xfers hash table. A local attacker could possibly use this issue to\ncause SPICE vdagent to consume memory, resulting in a denial of service.\n(CVE-2020-25650)\n\nMatthias Gerstner discovered that SPICE vdagent incorrectly handled the\nactive_xfers hash table. A local attacker could possibly use this issue to\ncause SPICE vdagent to consume memory, resulting in a denial of service, or\nobtain sensitive file contents. (CVE-2020-25651)\n\nMatthias Gerstner discovered that SPICE vdagent incorrectly handled a large\nnumber of client connections. A local attacker could possibly use this\nissue to cause SPICE vdagent to consume resources, resulting in a denial of\nservice. (CVE-2020-25652)\n\nMatthias Gerstner discovered that SPICE vdagent incorrectly handled client\nconnections. A local attacker could possibly use this issue to obtain\nsensitive information, paste clipboard contents, and transfer files into\nthe active session. (CVE-2020-25653)\n","modified":"2026-02-10T04:41:58Z","published":"2020-11-04T11:53:48Z","related":["UBUNTU-CVE-2020-25650","UBUNTU-CVE-2020-25651","UBUNTU-CVE-2020-25652","UBUNTU-CVE-2020-25653"],"upstream":["CVE-2020-25650","CVE-2020-25651","CVE-2020-25652","CVE-2020-25653","UBUNTU-CVE-2020-25650","UBUNTU-CVE-2020-25651","UBUNTU-CVE-2020-25652","UBUNTU-CVE-2020-25653"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-4617-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2020-25650"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2020-25651"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2020-25652"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2020-25653"}],"affected":[{"package":{"name":"spice-vdagent","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/spice-vdagent@0.17.0-1ubuntu2.2?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.17.0-1ubuntu2.2"}]}],"versions":["0.17.0-1ubuntu1","0.17.0-1ubuntu2"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_version":"0.17.0-1ubuntu2.2","binary_name":"spice-vdagent"}]},"database_specific":{"cves_map":{"ecosystem":"Ubuntu:18.04:LTS","cves":[{"severity":[{"score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"score":"low","type":"Ubuntu"}],"id":"CVE-2020-25650"},{"severity":[{"score":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:L","type":"CVSS_V3"},{"score":"low","type":"Ubuntu"}],"id":"CVE-2020-25651"},{"severity":[{"score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"score":"low","type":"Ubuntu"}],"id":"CVE-2020-25652"},{"severity":[{"score":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:H","type":"CVSS_V3"},{"score":"low","type":"Ubuntu"}],"id":"CVE-2020-25653"}]},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4617-1.json"}},{"package":{"name":"spice-vdagent","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/spice-vdagent@0.19.0-2ubuntu0.2?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.19.0-2ubuntu0.2"}]}],"versions":["0.19.0-2"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_version":"0.19.0-2ubuntu0.2","binary_name":"spice-vdagent"}]},"database_specific":{"cves_map":{"ecosystem":"Ubuntu:20.04:LTS","cves":[{"severity":[{"score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"score":"low","type":"Ubuntu"}],"id":"CVE-2020-25650"},{"severity":[{"score":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:L","type":"CVSS_V3"},{"score":"low","type":"Ubuntu"}],"id":"CVE-2020-25651"},{"severity":[{"score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"score":"low","type":"Ubuntu"}],"id":"CVE-2020-25652"},{"severity":[{"score":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:H","type":"CVSS_V3"},{"score":"low","type":"Ubuntu"}],"id":"CVE-2020-25653"}]},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4617-1.json"}}],"schema_version":"1.7.3"}