Array index error in the dahdi/tor2.c driver 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 an incorrect tor2 patch for CVE-2008-5396 that uses the wrong variable in a range check against the value of lc->sync.
Affected Software
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Zaptel | Asterisk | * | 1.4.11 (including) |
| Zaptel | Asterisk | 1.2 (including) | 1.2 (including) |
| Zaptel | Asterisk | 1.2.27 (including) | 1.2.27 (including) |
| Zaptel | Asterisk | 1.4 (including) | 1.4 (including) |
| Zaptel | Ubuntu | dapper | * |
| Zaptel | Ubuntu | gutsy | * |
| Zaptel | Ubuntu | hardy | * |
| Zaptel | Ubuntu | intrepid | * |
| Zaptel | Ubuntu | jaunty | * |
| Zaptel | Ubuntu | karmic | * |
References
- http://bugs.digium.com/view.php?id=13954#96700
- http://secunia.com/advisories/32960
- http://svn.digium.com/view/dahdi?view=rev\u0026revision=5590
- http://www.openwall.com/lists/oss-security/2008/12/19/2
- https://bugzilla.redhat.com/show_bug.cgi?id=475446#c4
- https://exchange.xforce.ibmcloud.com/vulnerabilities/47666
- http://bugs.digium.com/view.php?id=13954#96700
- http://secunia.com/advisories/32960
- http://svn.digium.com/view/dahdi?view=rev\u0026revision=5590
- http://www.openwall.com/lists/oss-security/2008/12/19/2
- https://bugzilla.redhat.com/show_bug.cgi?id=475446#c4
- https://exchange.xforce.ibmcloud.com/vulnerabilities/47666