CVE-2007-4897

Ekiga 2.0.5 - Denial of Service via Long Argument to PString::vsprintf

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2007-4897. PoCs published by Jose Miguel Esparza.

AI-analyzed exploit summary This exploit sends a malformed SIP INVITE request with an overly long URI to trigger a denial of service in Ekiga. The vulnerability is due to improper handling of the URI length, causing a crash.

Description

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).

Exploits (1)

exploitdb WORKING POC VERIFIED
by Jose Miguel Esparza · pythondoswindows
https://www.exploit-db.com/exploits/9241

This exploit sends a malformed SIP INVITE request with an overly long URI to trigger a denial of service in Ekiga. The vulnerability is due to improper handling of the URI length, causing a crash.

Classification
Working Poc 95%
Attack Type
Dos
Complexity
Trivial
Reliability
Reliable
Target: Ekiga (versions prior to the fix for CVE-2007-4897)
No auth needed
Prerequisites: Network access to the target's SIP port
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (18)

Core 18
Core References
Vendor Advisory vendor-advisory x_refsource_ubuntu
http://www.ubuntu.com/usn/usn-561-1
Issue Tracking x_refsource_confirm
https://bugzilla.redhat.com/show_bug.cgi?id=292831
Third Party Advisory, VDB Entry vdb-entry x_refsource_xf
https://exchange.xforce.ibmcloud.com/vulnerabilities/36568
Vendor Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/28385
Third Party Advisory, VDB Entry mailing-list x_refsource_bugtraq
http://www.securityfocus.com/archive/1/479185/100/0/threaded
Third Party Advisory, VDB Entry vdb-entry x_refsource_sectrack
http://www.securitytracker.com/id?1018683
Vendor Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/27150
Third Party Advisory third-party-advisory x_refsource_sreason
http://securityreason.com/securityalert/3138
Mailing List mailing-list x_refsource_fulldisc
http://marc.info/?l=full-disclosure&m=118959114522339&w=2
Vendor Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/27127
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/25642
Various Sources x_refsource_misc
http://www.s21sec.com/avisos/s21sec-036-en.txt
Vendor Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/27518
Third Party Advisory, VDB Entry vdb-entry signature x_refsource_oval
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10928
Vendor Advisory vendor-advisory x_refsource_mandriva
http://www.mandriva.com/security/advisories?name=MDKSA-2007:206
Vendor Advisory vendor-advisory x_refsource_redhat
http://www.redhat.com/support/errata/RHSA-2007-0932.html

Scores

EPSS 0.1090
EPSS Percentile 95.3%

Details

CWE
CWE-399
Status published
Products (1)
ekiga/ekiga 2.0.5
Published Sep 14, 2007
Tracked Since Feb 18, 2026