pwlib, as used by Ekiga 2.0.5 and possibly other products, allows remote attackers to…
Priority LOW 36CWE-399Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · Partial
- Fix status
- Fixed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-399 and the CVSS impact.
Summary
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).
Why it matters now
EPSS 0.10897 95th percentileScored 2026-11-07
Fix Fixed Red Hat: 1 advisory
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
Remediation
Red Hat 1 advisory
- RHSA-2007:0932 Released 2007-10-08 · Red Hat rating Moderatepwlib security update
- Red Hat Enterprise Linux Desktop (v. 5 client) pwlib-1.10.1-7.0.1.el5, pwlib-1.10.1-7.0.1.el5.i386
- Red Hat Enterprise Linux Desktop Workstation (v. 5 client) pwlib-1.10.1-7.0.1.el5, pwlib-devel-1.10.1-7.0.1.el5, pwlib-devel-1.10.1-7.0.1.el5.i386
- Red Hat Enterprise Linux Optional Productivity Applications (v. 5 server) pwlib-1.10.1-7.0.1.el5, pwlib-1.10.1-7.0.1.el5.i386, pwlib-devel-1.10.1-7.0.1.el5 +1
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux Desktop (v. 5 client) | Fixed | RHSA-2007:0932 |
| Red Hat Enterprise Linux Desktop Workstation (v. 5 client) | Fixed | RHSA-2007:0932 |
| Red Hat Enterprise Linux Optional Productivity Applications (v. 5 server) | Fixed | RHSA-2007:0932 |
Timeline
- 2026-10-02 Threatist record created from CVE-2007-4897
- 2026-10-03 Alias added: GHSA-m936-63jp-34qv
References
Other 6
- https://bugzilla.redhat.com/show_bug.cgi?id=292831
- http://blog.s21sec.com/2007/09/sobre-la-vulnerabilidad-del-ekiga.html
- 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
- 20070912 S21SEC-036-EN Ekiga <= 2.0.5 Denial of service
- http://www.s21sec.com/avisos/s21sec-036-en.txt
- oval:org.mitre.oval:def:10928
More Ekiga vulnerabilities
- TI-2007-00975 Format string vulnerability in GnomeMeeting 1.0.2 and earlier allows remote attackers to… CVSS 2.0HIGH 10.0
- TI-2007-00974 Multiple format string vulnerabilities in the gm_main_window_flash_message function in… CVSS 2.0HIGH 10.0
- TI-2011-01606 Ekiga attempts to dlopen /tmp/ekiga_test.so CVSS 3.0HIGH 8.8
- TI-2007-04746 The Open Phone Abstraction Library (opal), as used by (1) Ekiga before 2.0.10 and (2)… CVSS 2.0MEDIUM 5.0
- TI-2012-04724 lib/engine/components/opal/opal-call.cpp in ekiga before 4.0.0 allows remote attackers to… CVSS 2.0MEDIUM 5.0
- TI-2013-01647 The Portable Tool Library (aka PTLib) before 2.10.10, as used in Ekiga before 4.0.1, does… CVSS 2.0MEDIUM 4.3
Sources
- CVE-2007-4897 · CVE Program
- CVE-2007-4897 · NVD
- FIRST EPSS
- GHSA-m936-63jp-34qv · GitHub Advisory Database · CC BY 4.0
- CVE-2007-4897 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences