What’s Vulnerable › Vulnerabilities

CVE-2017-11309

• Severity: critical (CVSS 9.6 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 9.4% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2017-11-10 · updated 2026-06-17
• Weakness: CWE-119

Description

Buffer overflow in the SoftConsole client in Avaya IP Office before 10.1.1 allows remote servers to execute arbitrary code via a long response.

Affected products

• Avaya IP Office: before 10.1.1 — fixed in 10.1.1

How to fix

Upgrade to a fixed version: Avaya IP Office 10.1.1. Check the vendor advisory for mitigations.

References

• http://downloads.avaya.com/css/P8/documents/101044086
• http://hyp3rlinx.altervista.org/advisories/AVAYA-OFFICE-IP-%28IPO%29-v9.1.0-10.1-SOFT-CONSOLE-REMOTE-BUFFER-OVERFLOW-0DAY.txt
• http://packetstormsecurity.com/files/144883/Avaya-IP-Office-IPO-10.1-Soft-Console-Remote-Buffer-Overflow.html
• http://www.securityfocus.com/bid/101674
• https://www.exploit-db.com/exploits/43121/
• http://downloads.avaya.com/css/P8/documents/101044086
• http://hyp3rlinx.altervista.org/advisories/AVAYA-OFFICE-IP-%28IPO%29-v9.1.0-10.1-SOFT-CONSOLE-REMOTE-BUFFER-OVERFLOW-0DAY.txt
• http://packetstormsecurity.com/files/144883/Avaya-IP-Office-IPO-10.1-Soft-Console-Remote-Buffer-Overflow.html
• http://www.securityfocus.com/bid/101674
• https://www.exploit-db.com/exploits/43121/

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