Ekiga SIPURL::GetHostAddress() denial of service
| ekiga-sipurlgethostaddress-dos (36568) |  Low Risk |
Description:
Ekiga is vulnerable to a denial of service, caused by improper validation of user-supplied input in the SIPURL::GetHostAddress() function. A remote attacker could exploit this vulnerability to allocate a large amount of memory, resulting in a denial of service.
Platforms Affected:
- Canonical, Ubuntu 6.06 LTS
- Canonical, Ubuntu 6.10
- Canonical, Ubuntu 7.04
- Canonical, Ubuntu 7.10
- Ekiga, Ekiga 2.0.5 and prior
- MandrakeSoft, Mandrake Linux 2007 X86_64
- MandrakeSoft, Mandrake Linux 2007
- MandrakeSoft, Mandrake Linux 2007.1
- MandrakeSoft, Mandrake Linux 2007.1 X86_64
- MandrakeSoft, Mandrake Linux 2008.0
- MandrakeSoft, Mandrake Linux 2008.0 X86_64
- MandrakeSoft, Mandrake Linux Corporate Server 3.0 X86_64
- MandrakeSoft, Mandrake Linux Corporate Server 3.0
- RedHat, Enterprise Linux 5 Client
- RedHat, Enterprise Linux 5 Client Workstation
- RedHat, Enterprise Linux Optional Productivity Applications 5 Server
Remedy:
Upgrade to the latest version of Ekiga (2.0.7 or 2.0.9 or later), available from the Ekiga Web site. See References.
Consequences:
Denial of Service
References:
- Ekiga Web site, Ekiga at http://ekiga.org/.
- Full-Disclosure Mailing List, Wed Sep 12 2007 - 04:37:01 CDT, S21SEC-036-EN Ekiga <= 2.0.5 Denial of service at http://archives.neohapsis.com/archives/fulldisclosure/2007-09/0188.html.
- BID-25642: Ekiga GetHostAddress Remote Denial of Service Vulnerability
- CVE-2007-4897: pwlib, as used by Ekiga 2.0.5 and possibly other products, allows remote attackers to cause a denial of service (application crash) via a long argument to the PString::vsprintf function, related to a memory management flaw. NOTE: this issue was originally reported as being in the SIPURL::GetHostAddress function in Ekiga (formerly GnomeMeeting).
- MDKSA-2007:206: Updated pwlib packages fix vulnerability
- RHSA-2007-0932: Moderate: pwlib security update
- SA27127: PWLib "PString::vsprintf()" Denial of Service Vulnerability
- SECTRACK ID: 1018683: Ekiga SIPURL::GetHostAddress() Memory Corruption Bug Lets Remote Users Deny Service
- USN-561-1: pwlib vulnerability
Reported:
Sep 12, 2007
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