Amazon Linux AMI : usermode / libuser (ALAS-2015-572)

It was found that libuser, as used in the chfn userhelper functionality, does not properly filter out newline characters, which allows an authenticated local attacker to corrupt the /etc/passwd file and cause denial-of-service against the system. CVE-2015-3245 A flaw was found in the way the...

Qualys Security Advisory - userhelper / libuser

Qualys Security Advisory CVE-2015-3245 userhelper chfn newline filtering CVE-2015-3246 libuser passwd file handling -- Summary ----------------------------------------------------------------- The libuser library implements a standardized interface for manipulating and administering user and grou...