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CVE-2007-4924: ekiga Improper Input Validation

CVSS: 5.0v2.0MediumModified
AliasesRHSA-2007:0957
Published 08-10-2007Last modified 07-08-2024

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.

Overall risk
32/100
0100
Medium · default modelHow is this calculated?
CVSS score
5.0/10
010
Medium · v2.0 (NVD)
EPSS score
10.68%
0%100%
Medium · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1exploit-database

Timeline

  1. 08-10-2007
    PublishedVulnerability first disclosed.
  2. 07-08-2024
    Last 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 version

EPSS 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

19-09-202619-10-2026
EPSS score
10.68%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • exploit-databasedoswindowsVerified

    OpenH323 Opal SIP Protocol - Remote Denial of Service

    Maturity: poc

Weaknesses

CWE · root cause

Affected 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
Openh323_project1 product

3 vendors · 5 products

References

28 links
Show all 28 references