THREATPORT/VULNERABILITY/CVE-2007-4924
MEDIUM SEVERITY

CVE-2007-4924

Ekiga vulnerability

CVSS
5.0
EPSS
10.7%
EPSS pct
95th
Exploited
No known
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."
Affected vendor
Ekiga
Affected product
Ekiga
CVSS vector
AV:N/AC:L/Au:N/C:N/I:N/A:P
Weakness type (CWE)
  • CWE-20 — Improper Input Validation
Published
2007-10-08

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring no authentication. Successful exploitation leads to partial impact to availability.

Its EPSS score of 10.7% reflects a moderate probability of exploitation activity in the wild over the next 30 days, placing it above 95% of all scored CVEs.

Check your external exposure to CVE-2007-4924

  • Confirm whether Ekiga Ekiga is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2007-4924.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2007-4924

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2007-4924 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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