CVE-2019-3010 - Local privilege escalation on Solaris 11.x via xscreensaver

[Marco Ivaldi <marco.ivaldi () mediaservice net>]

Dear Full Disclosure,

Please find attached an advisory for the following vulnerability, fixed in Oracle's Critical Patch Update (CPU) of 
October 2019:

"Exploitation of a design error vulnerability in xscreensaver, as distributed with Solaris 11.x, allows local attackers 
to create (or append to) arbitrary files on the system, by abusing the -log command line switch introduced in version 
5.06. This flaw can be leveraged to cause a denial of service condition or to escalate privileges to root."

For further information, refer to the following links:
https://techblog.mediaservice.net/2019/10/local-privilege-escalation-on-solaris-11-x-via-xscreensaver/
https://github.com/0xdea/exploits/blob/master/solaris/raptor_xscreensaver

Regards,

-- 
Marco Ivaldi, SAT Manager
CISSP, OSCP, QSA, ASV, OPSA, OPST, OWSE, LA27001, PRINCE2F
@Mediaservice.net S.r.l. con Socio Unico
https://www.mediaservice.net/

Attachment: 2019-02-solaris-xscreensaver.txt
Description: 2019-02-solaris-xscreensaver.txt

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