{"id":"UBUNTU-CVE-2017-17432","details":"OpenAFS 1.x before 1.6.22 does not properly validate Rx ack packets, which allows remote attackers to cause a denial of service (system crash or application crash) via crafted fields, as demonstrated by an integer underflow and assertion failure for a small MTU value.","modified":"2026-04-22T11:19:52.990617Z","published":"2017-12-06T00:29:00Z","upstream":["CVE-2017-17432"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2017-17432"},{"type":"REPORT","url":"https://www.openafs.org/pages/security/OPENAFS-SA-2017-001.txt"},{"type":"REPORT","url":"https://bugs.debian.org/883602"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2017-17432"}],"affected":[{"package":{"name":"openafs","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/openafs@1.6.15-1ubuntu1.1?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.6.14-1","1.6.15-1","1.6.15-1ubuntu1","1.6.15-1ubuntu1.1"],"ecosystem_specific":{"binaries":[{"binary_version":"1.6.15-1ubuntu1.1","binary_name":"libafsauthent1"},{"binary_version":"1.6.15-1ubuntu1.1","binary_name":"libafsrpc1"},{"binary_version":"1.6.15-1ubuntu1.1","binary_name":"libkopenafs1"},{"binary_version":"1.6.15-1ubuntu1.1","binary_name":"libpam-openafs-kaserver"},{"binary_version":"1.6.15-1ubuntu1.1","binary_name":"openafs-client"},{"binary_version":"1.6.15-1ubuntu1.1","binary_name":"openafs-dbserver"},{"binary_version":"1.6.15-1ubuntu1.1","binary_name":"openafs-fileserver"},{"binary_version":"1.6.15-1ubuntu1.1","binary_name":"openafs-fuse"},{"binary_version":"1.6.15-1ubuntu1.1","binary_name":"openafs-kpasswd"},{"binary_version":"1.6.15-1ubuntu1.1","binary_name":"openafs-krb5"},{"binary_version":"1.6.15-1ubuntu1.1","binary_name":"openafs-modules-dkms"},{"binary_version":"1.6.15-1ubuntu1.1","binary_name":"openafs-modules-source"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2017/UBUNTU-CVE-2017-17432.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"medium"}]}