Home/CVE/The Open Phone Abstraction Library (opal), as used by (1) Ekiga before 2.0.10 and (2) OpenH323 before 2.2.4, allows remo
CVE

CVE-2007-4924

The Open Phone Abstraction Library (opal), as used by (1) Ekiga before 2.0.10 and (2) OpenH323 before 2.2.4, allows remo

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.".

MEDIUM · CVSS 5 EPSS 0.23131
Schedule remediation
  • EPSS ≥ 0.10 - elevated exploitation probability
  • EPSS percentile: top 4% of all CVEs by exploitation likelihood
  • Public exploit or PoC is available
Sigma rules0 YARA rules0

Weakness Classification

Affected Products & Versions

2

Public Exploits & PoCs

2

Scoring & Timeline

5
MEDIUM · CVSS v2 (legacy) · cve@mitre.org
View on NVD
This CVE predates CVSS v3; the legacy v2 score is shown so triage still has a severity to work with.
v2 Vector
AV:N/AC:L/Au:N/C:N/I:N/A:P
Published to NVD08 Oct 2007 · 09:17 PM

Vendor Advisories

2
rhsaRHSA-2007:0957Moderate
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