CVE-2013-4391 Information

Description

Integer overflow in the valid_user_field function in journal/journald-native.c in systemd allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a large journal data field which triggers a heap-based buffer overflow.

Reference

http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=725357 http://cgit.freedesktop.org/systemd/systemd/commit/?id=505b6a61c22d5565e9308045c7b9bf79f7d0517e http://www.debian.org/security/2013/dsa-2777 http://www.openwall.com/lists/oss-security/2013/10/01/9 https://bugzilla.redhat.com/show_bug.cgi?id=859051 https://security.gentoo.org/glsa/201612-34