{"id":"UBUNTU-CVE-2015-3246","details":"libuser before 0.56.13-8 and 0.60 before 0.60-7, as used in the userhelper program in the usermode package, directly modifies /etc/passwd, which allows local users to cause a denial of service (inconsistent file state) by causing an error during the modification. NOTE: this issue can be combined with CVE-2015-3245 to gain privileges.","modified":"2026-05-20T16:03:10.648400680Z","published":"2015-08-11T14:59:00Z","upstream":["CVE-2015-3246"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2015-3246"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2015-3246"}],"affected":[{"package":{"name":"libuser","ecosystem":"Ubuntu:Pro:14.04:LTS","purl":"pkg:deb/ubuntu/libuser?arch=source&distro=trusty%2Fesm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:0.56.9.dfsg.1-1.2ubuntu2+esm1"}]}],"versions":["1:0.56.9.dfsg.1-1.2ubuntu2"],"ecosystem_specific":{"availability":"Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro","binaries":[{"binary_version":"1:0.56.9.dfsg.1-1.2ubuntu2+esm1","binary_name":"libuser"},{"binary_version":"1:0.56.9.dfsg.1-1.2ubuntu2+esm1","binary_name":"libuser1"},{"binary_version":"1:0.56.9.dfsg.1-1.2ubuntu2+esm1","binary_name":"python-libuser"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2015/UBUNTU-CVE-2015-3246.json"}},{"package":{"name":"libuser","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/libuser?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1:0.60~dfsg-1.2"],"ecosystem_specific":{"binaries":[{"binary_version":"1:0.60~dfsg-1.2","binary_name":"libuser"},{"binary_version":"1:0.60~dfsg-1.2","binary_name":"libuser1"},{"binary_version":"1:0.60~dfsg-1.2","binary_name":"python-libuser"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2015/UBUNTU-CVE-2015-3246.json"}},{"package":{"name":"libuser","ecosystem":"Ubuntu:25.10","purl":"pkg:deb/ubuntu/libuser?arch=source&distro=questing"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1:0.64+git20241106~dfsg-2","1:0.64+git20241106~dfsg-3"],"ecosystem_specific":{"binaries":[{"binary_version":"1:0.64+git20241106~dfsg-3","binary_name":"libuser"},{"binary_version":"1:0.64+git20241106~dfsg-3","binary_name":"libuser1"},{"binary_version":"1:0.64+git20241106~dfsg-3","binary_name":"python3-libuser"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2015/UBUNTU-CVE-2015-3246.json"}},{"package":{"name":"libuser","ecosystem":"Ubuntu:26.04:LTS","purl":"pkg:deb/ubuntu/libuser?arch=source&distro=resolute"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1:0.64+git20241106~dfsg-3","1:0.64+git20241106~dfsg-4","1:0.64+git20241106~dfsg-4build1"],"ecosystem_specific":{"binaries":[{"binary_version":"1:0.64+git20241106~dfsg-4build1","binary_name":"libuser"},{"binary_version":"1:0.64+git20241106~dfsg-4build1","binary_name":"libuser1"},{"binary_version":"1:0.64+git20241106~dfsg-4build1","binary_name":"python3-libuser"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2015/UBUNTU-CVE-2015-3246.json"}}],"schema_version":"1.7.5","severity":[{"type":"Ubuntu","score":"medium"}]}