CVE-2007-1859

XScreenSaver 4.10, when using a remote directory service for credentials, does not properly handle the results from the getpwuid function in drivers/lock.c when there is no network connectivity, which causes XScreenSaver to crash and unlock the screen and allows local users to bypass authentication.

🔗 References (36)

• secalert@redhathttp://osvdb.org/35531
• secalert@redhathttp://secunia.com/advisories/25065
• secalert@redhathttp://secunia.com/advisories/25105
• secalert@redhathttp://secunia.com/advisories/25116
• secalert@redhathttp://secunia.com/advisories/25118
• secalert@redhathttp://secunia.com/advisories/25119
• secalert@redhathttp://secunia.com/advisories/25225
• secalert@redhathttp://secunia.com/advisories/25610
• secalert@redhathttp://security.gentoo.org/glsa/glsa-200705-14.xml
• secalert@redhathttp://www.mandriva.com/security/advisories?name=MDKSA-2007:097
• secalert@redhathttp://www.novell.com/linux/security/advisories/2007_9_sr.html
• secalert@redhathttp://www.redhat.com/support/errata/RHSA-2007-0322.html
• secalert@redhathttp://www.securityfocus.com/bid/23783
• secalert@redhathttp://www.securitytracker.com/id?1017996
• secalert@redhathttp://www.ubuntu.com/usn/usn-474-1