Ekiga SIPURL::GetHostAddress() denial of service
| ekiga-sipurlgethostaddress-dos (36568) |  Medium 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.
*CVSS:
| Base Score: | 5 |
| Access Vector: | Network |
| Access Complexity: | Low |
| Authentication: | None |
| Confidentiality Impact: | None |
| Integrity Impact: | None |
| Availability Impact: | Partial |
| Temporal Score: | 3.7 |
| Exploitability: | Unproven |
| Remediation Level: | Official-Fix |
| Report Confidence: | Confirmed |
Consequences:
Denial of Service
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.
References:
- Ekiga Web site: Ekiga.
- Full-Disclosure Mailing List, Wed Sep 12 2007 - 04:37:01 CDT: S21SEC-036-EN Ekiga <= 2.0.5 Denial of service.
- 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
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
- MandrakeSoft Mandrake Linux 2007 X86_64
- MandrakeSoft Mandrake Linux 2007.1 X86_64
- MandrakeSoft Mandrake Linux 2007.1
- 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
Reported:
Sep 12, 2007
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The information within this database may change without notice. Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. In no event shall IBM be held liable for any damages whatsoever arising out of or in connection with the use or spread of this information.