CVE-2007-4455 describes a denial-of-service vulnerability in the SIP channel driver (chan_sip) of Asterisk Open Source 1.4.x, AsteriskNOW, and Asterisk Appliance Developer Kit. Remote attackers can exploit this by sending a SIP dialog that generates an excessive number of history entries, leading to memory exhaustion. With a CVSS score of 5.0, this vulnerability has a low attack complexity and requires no authentication, but its impact is limited to availability. There is no evidence of active exploitation, public exploit code, or significant community discussion, indicating a low current threat level.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 1.4.9CPE matchmatch criteria | cpe:2.3:a:asterisk:asterisk:*:*:*:*:*:*:*:* | ||
<= 0.7CPE matchmatch criteria | cpe:2.3:a:asterisk:asterisk_appliance_developer_kit:*:*:*:*:*:*:*:* | ||
<= beta_6CPE matchmatch criteria | cpe:2.3:a:asterisk:asterisknow:*:*:*:*:*:*:*:* |
CVSS version used by this source: 2.0
AV:N/AC:L/Au:N/C:N/I:N/A:P
No social media mentions found for this CVE.
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.