CVE-2008-5396
First published: Sun Nov 23 2008(Updated: )
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.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Asterisk | <=1.4.11 | |
| Asterisk | =1.2 | |
| Asterisk | =1.2.27 | |
| Asterisk | =1.4 |
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Reference Links
- http://www.openwall.com/lists/oss-security/2008/12/03/10
- http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=507459
- http://bugs.digium.com/view.php?id=13954
- http://secunia.com/advisories/32960
- http://secunia.com/advisories/32947
- https://www.cve.org/CVERecord?id=CVE-2008-5396 https://nvd.nist.gov/vuln/detail/CVE-2008-5396
- https://bugzilla.redhat.com/show_bug.cgi?id=475446
- https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2008-5396.json
- https://access.redhat.com/security/cve/CVE-2008-5396
- http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-5396
- http://bugs.digium.com/file_download.php?file_id=20796&type=bug
- http://bugs.digium.com/file_download.php?file_id=20797&type=bug
- http://bugs.digium.com/file_download.php?file_id=20808&type=bug
- http://bugs.digium.com/view.php?id=13954#96700
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=475446#c4
- http://svn.digium.com/view/dahdi?view=rev&revision=5590
- https://bugzilla.redhat.com/show_bug.cgi?id=475446#c4
Frequently Asked Questions
What is the severity of CVE-2008-5396?
CVE-2008-5396 has a high severity rating due to its potential for local users to overwrite kernel memory.
How do I fix CVE-2008-5396?
To fix CVE-2008-5396, users should upgrade to Zaptel versions later than 1.4.11 that contain the necessary patches.
Which software is affected by CVE-2008-5396?
CVE-2008-5396 affects Zaptel versions 1.4.11 and earlier, including specific versions such as 1.2 and 1.4.
What types of attacks can CVE-2008-5396 enable?
CVE-2008-5396 can enable local privilege escalation attacks due to improper validation leading to kernel memory corruption.
Who can exploit CVE-2008-5396?
Local users in the dialout group can exploit CVE-2008-5396 if they have access to the affected Zaptel driver.
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- agent/references
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- collector/nvd-index
- agent/software-canonical-lookup-request
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- vendor/asterisk
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- version/asterisk/1.4.11
- version/asterisk/1.2
- version/asterisk/1.2.27
- version/asterisk/1.4