CVE-2002-0638

CVE-2002-0638 concerns the util-linux package’s login utilities (notably setpwnam.c used by chfn/chsh). The advisory describes a race condition caused by inadequate locking of a temporary file used when modifying /etc/passwd, enabling a local attacker to escalate privileges. The issue affects Red...

CVE-2002-0638

setpwnam.c in the util-linux package, as included in Red Hat Linux 7.3 and earlier, and other operating systems, does not properly lock a temporary file when modifying /etc/passwd, which may allow local users to gain privileges via a complex race condition that uses an open file descriptor in...