What’s Vulnerable › Vulnerabilities

CVE-2008-4383

• Severity: critical (CVSS 10.0 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 8.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2008-10-03 · updated 2026-06-16
• Weakness: CWE-119

Description

Stack-based buffer overflow in the Agranet-Emweb embedded management web server in Alcatel OmniSwitch OS7000, OS6600, OS6800, OS6850, and OS9000 Series devices with AoS 5.1 before 5.1.6.463.R02, 5.4 before 5.4.1.429.R01, 6.1.3 before 6.1.3.965.R01, 6.1.5 before 6.1.5.595.R01, and 6.3 before 6.3.1.966.R01 allows remote attackers to execute arbitrary code via a long Session cookie.

Affected products

• Alcatel Aos: from 5.1 before 5.1.6.463.r02; from 5.4 before 5.4.1.429.r01; from 6.1.3 before 6.1.3.965.r01; from 6.1.5 before 6.1.5.595.r01; from 6.3 before 6.3.1.966.r01 — fixed in 5.1.6.463.r02, 5.4.1.429.r01, 6.1.3.965.r01, 6.1.5.595.r01, 6.3.1.966.r01

How to fix

Upgrade to a fixed version: Alcatel Aos 5.1.6.463.r02, 5.4.1.429.r01, 6.1.3.965.r01, 6.1.5.595.r01. Check the vendor advisory for mitigations.

References

• http://secunia.com/advisories/31435
• http://securityreason.com/securityalert/4347
• http://www.layereddefense.com/alcatel12aug.html
• http://www.securityfocus.com/archive/1/495343/100/0/threaded
• http://www.securityfocus.com/bid/30652
• http://www.securitytracker.com/id?1020657
• http://www.vupen.com/english/advisories/2008/2346
• http://www1.alcatel-lucent.com/psirt/statements/2008002/OmniSwitch.htm
• https://exchange.xforce.ibmcloud.com/vulnerabilities/44400
• http://secunia.com/advisories/31435
• http://securityreason.com/securityalert/4347
• http://www.layereddefense.com/alcatel12aug.html

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