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Vulnerability Details : CVE-2007-4924 (1 public exploit)

The Open Phone Abstraction Library (opal), as used by (1) Ekiga before 2.0.10 and (2) OpenH323 before 2.2.4, allows remote attackers to cause a denial of service (crash) via an invalid Content-Length header field in Session Initiation Protocol (SIP) packets, which causes a \0 byte to be written to an "attacker-controlled address."
Publish Date : 2007-10-08 Last Update Date : 2010-08-21
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- CVSS Scores & Vulnerability Types

CVSS Score
Confidentiality Impact None (There is no impact to the confidentiality of the system.)
Integrity Impact None (There is no impact to the integrity of the system)
Availability Impact Partial (There is reduced performance or interruptions in resource availability.)
Access Complexity Low (Specialized access conditions or extenuating circumstances do not exist. Very little knowledge or skill is required to exploit. )
Authentication Not required (Authentication is not required to exploit the vulnerability.)
Gained Access None
Vulnerability Type(s) Denial Of Service

- Additional Vendor Supplied Data

Vendor Impact CVSS Score CVSS Vector Report Date Publish Date
Redhat moderate 2007-09-17 2007-09-17
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- Related OVAL Definitions

Title Definition Id Class Family
CVE-2007-4924 unix
ELSA-2007:0957: opal security update (Moderate) oval:org.mitre.oval:def:21836 unix
RHSA-2007:0957: opal security update (Moderate) oval:com.redhat.rhsa:def:20070957 unix
The Open Phone Abstraction Library (opal), as used by (1) Ekiga before 2.0.10 and (2) OpenH323 before 2.2.4, allows remo... oval:org.mitre.oval:def:11398 unix
OVAL (Open Vulnerability and Assessment Language) definitions define exactly what should be done to verify a vulnerability or a missing patch. Check out the OVAL definitions if you want to learn what you should do to verify a vulnerability.

- Products Affected By CVE-2007-4924

# Product Type Vendor Product Version Update Edition Language
1 Application Ekiga Ekiga 2.0.9 Version Details Vulnerabilities
2 Application Openh323 Project Openh323 2.2.3 Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Ekiga Ekiga 1
Openh323 Project Openh323 1

- References For CVE-2007-4924
SUSE SUSE-SR:2007:021
VUPEN ADV-2007-3413
VUPEN ADV-2007-3414
BID 25955 OpenH323 Opal SIP Protocol Remote Denial of Service Vulnerability Release Date:2009-07-27
SECTRACK 1018776
MILW0RM 9240
BUGTRAQ 20071011 S21SEC-037-en: OPAL SIP Protocol Remote Denial of Service CONFIRM
MLIST [ekiga-list] 20070917 [ANNOUNCE] Ekiga 2.0.10 released
REDHAT RHSA-2007:0957

- Metasploit Modules Related To CVE-2007-4924

There are not any metasploit modules related to this CVE entry (Please visit for more information)

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