CVE-2008-5396

Description

Array index error in the (1) torisa.c and (2) dahdi/tor2.c drivers in Zaptel (aka DAHDI) 1.4.11 and earlier allows local users in the dialout group to overwrite an integer value in kernel memory by writing to /dev/zap/ctl, related to missing validation of the sync field associated with the ZT_SPANCONFIG ioctl.

Affected products

• asterisk / zaptel1.4.11
• asterisk / zaptel1.2 – 1.2
• asterisk / zaptel1.2.27 – 1.2.27
• asterisk / zaptel1.4 – 1.4

References

• MAILING_LISThttp://www.openwall.com/lists/oss-security/2008/12/03/10
• MISChttp://bugs.digium.com/view.php?id=13954
• VENDOR_ADVISORYhttp://bugs.debian.org/cgi-bin/bugreport.cgi?bug=507459
• VENDOR_ADVISORYhttp://secunia.com/advisories/32947
• VENDOR_ADVISORYhttp://secunia.com/advisories/32960