CVE-2008-5744
First published: Fri Dec 26 2008(Updated: )
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.
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
- https://bugzilla.redhat.com/show_bug.cgi?id=475446#c4
- http://www.openwall.com/lists/oss-security/2008/12/19/2
- http://bugs.digium.com/view.php?id=13954#96700
- http://svn.digium.com/view/dahdi?view=rev&revision=5590
- http://secunia.com/advisories/32960
- https://exchange.xforce.ibmcloud.com/vulnerabilities/47666
Frequently Asked Questions
What is the severity of CVE-2008-5744?
CVE-2008-5744 is considered a high severity vulnerability due to its potential for local users to overwrite critical kernel memory.
How do I fix CVE-2008-5744?
To fix CVE-2008-5744, update to a patched version of the Zaptel driver that addresses the array index error.
What specific software versions are affected by CVE-2008-5744?
CVE-2008-5744 affects Zaptel versions 1.4.11 and earlier, as well as 1.2.27 and other 1.2 versions.
Who is affected by CVE-2008-5744?
Local users in the dialout group are impacted by CVE-2008-5744, allowing them to exploit this vulnerability.
What type of vulnerability is CVE-2008-5744?
CVE-2008-5744 is an array index error vulnerability in the DAHDI driver related to improper range checking.
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- version/asterisk/1.2.27
- version/asterisk/1.4