ArchLinux: 201710-9: lib32-krb5: arbitrary code execution
Summary
A double free vulnerability has been discovered in MIT Kerberos 5 (aka krb5) allowing attackers to crash the application or possibly execute arbitrary code via vectors involving automatic deletion of security contexts on error.
Resolution
Upgrade to 1.15.2-1.
# pacman -Syu "lib32-krb5>=1.15.2-1"
The problem has been fixed upstream in version 1.15.2.
References
https://web.mit.edu/kerberos/krb5-1.15/ http://krbdev.mit.edu/rt/Ticket/Display.html?id=8598 https://bugzilla.redhat.com/show_bug.cgi?id=1488873 https://github.com/krb5/krb5/commit/56f7b1bc95a2a3eeb420e069e7655fb181ade5cf https://security.archlinux.org/CVE-2017-11462
Workaround
None.