CVE-2007-4924 describes a denial-of-service vulnerability affecting Open Phone Abstraction Library (OPAL) versions prior to 2.0.10 in Ekiga and prior to 2.2.4 in OpenH323. An unauthenticated remote attacker can exploit this by sending a malformed Session Initiation Protocol (SIP) packet with an invalid Content-Length header, leading to a crash. This vulnerability has a CVSS score of 5.0, indicating a medium severity with low attack complexity and no confidentiality or integrity impact, but a complete availability impact. While not listed on the KEV catalog or showing active community discussion, an exploit module for OpenH323 is available on ExploitDB.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 2.0.9CPE matchmatch criteria | cpe:2.3:a:ekiga:ekiga:*:*:*:*:*:*:*:* | ||
<= 2.2.3CPE matchmatch criteria | cpe:2.3:a:openh323_project:openh323:*:*:*:*:*:*:*:* |
CVSS version used by this source: 2.0
AV:N/AC:L/Au:N/C:N/I:N/A:P
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