CVE-2007-4924: ekiga Improper Input Validation
Vulnerability summary
CVE-2007-4924 is a medium (CVSS 5.0) Improper Input Validation vulnerability in ekiga. EPSS estimates a 10.68% chance of exploitation in the next 30 days, higher than 95.7% of scored vulnerabilities. 1 public exploit is recorded.
Timeline
- 08-10-2007PublishedVulnerability first disclosed.
- 07-08-2024Last modifiedVulnerability information updated.
Description
The Open Phone Abstraction Library (opal), as used by (1) Ekiga before 2.0.10 and (2) OpenH323 before 2.2.4, allows remote attackers to cause a denial of service (crash) via an invalid Content-Length header field in Session Initiation Protocol (SIP) packets, which causes a \0 byte to be written to an "attacker-controlled address."
CVSS metrics
1 score · 1 source · 1 versionEPSS trend
Probability
10.68%
Chance of exploitation in the next 30 days
Percentile
96%
Versus all other CVEs
30-day change
0.00 pp
From 10.68% on 19-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundOpenH323 Opal SIP Protocol - Remote Denial of Service
Maturity: poc
Weaknesses
CWE · root causeAffected systems
Redhat3 products
- opal< 0:2.2.2-1.1.0.1
- opal-debuginfo< 0:2.2.2-1.1.0.1
- opal-devel< 0:2.2.2-1.1.0.1
Ekiga1 product
- ekiga≤ 2.0.9
Openh323_project1 product
- openh323≤ 2.2.3
3 vendors · 5 products
References
28 linksShow all 28 references
- oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11398VDB EntrySignatureX Refsource OVAL
- www.s21sec.com/avisos/s21sec-037-en.txtX Refsource MISC