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CVE-2008-5744

7.2 · HIGH

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/c…

Published Dec 26, 2008asteriskCWE-189EPSS 0.47%

Overview

CVE-2008-5744 is a high-severity vulnerability affecting asterisk zaptel. It was published on December 26, 2008 and has a CVSS 2.0 base score of 7.2 (HIGH).

This vulnerability has a CVSS 2.0 base score of 7.2, rated HIGH. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

Technical description

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.

Remediation

Check the references section for vendor advisories and patches from asterisk. Update zaptel to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected products

VendorProductVersionsStatus
asteriskzaptel0Affected

References

Refbugs.digium.com/view.php?id=13954#96700Refsecunia.com/advisories/32960Refsvn.digium.com/view/dahdi?view=rev&revision=5590Refwww.openwall.com/lists/oss-security/2008/12/19/2Refbugzilla.redhat.com/show_bug.cgi?id=475446#c4Refexchange.xforce.ibmcloud.com/vulnerabilities/47666Refbugs.digium.com/view.php?id=13954#96700Refsecunia.com/advisories/32960Refsvn.digium.com/view/dahdi?view=rev&revision=5590Refwww.openwall.com/lists/oss-security/2008/12/19/2

How CyberStrike helps

Frequently asked questions

What is CVE-2008-5744?

CVE-2008-5744 is a high-severity vulnerability affecting asterisk zaptel. It was published on December 26, 2008 and has a CVSS 2.0 base score of 7.2 (HIGH).

How severe is CVE-2008-5744?

This vulnerability has a CVSS 2.0 base score of 7.2, rated HIGH. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2008-5744?

Check the references section for vendor advisories and patches from asterisk. Update zaptel to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2008-5744?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2008-5744 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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