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CVE-2007-3764

37
FAUCET Score

CVE-2007-3764 describes a denial-of-service vulnerability in the Skinny channel driver (chan_skinny) of Asterisk versions before 1.2.22 and 1.4.8, as well as related products like AsteriskNOW and s800i. This flaw allows remote attackers to crash the affected system by sending a specially crafted packet with an excessive data length, leading to an "overly large memcpy" operation. With a CVSS score of 5.0 (AV:N/AC:L/Au:N/C:N/I:N/A:P), this vulnerability is remotely exploitable with low attack complexity, resulting in a denial of service. While not listed on the KEV catalog, exploit code for this vulnerability is publicly available on ExploitDB, though there is no evidence of active exploitation or significant community discussion.

Impacted Technologies

VendorProductVersion(s)CPE
1.0CPE matchmatch criteria
cpe:2.3:a:asterisk:asterisk:1.0:*:*:*:*:*:*:*
1.0.6CPE matchmatch criteria
cpe:2.3:a:asterisk:asterisk:1.0.6:*:*:*:*:*:*:*
1.0.7CPE matchmatch criteria
cpe:2.3:a:asterisk:asterisk:1.0.7:*:*:*:*:*:*:*
1.0.8CPE matchmatch criteria
cpe:2.3:a:asterisk:asterisk:1.0.8:*:*:*:*:*:*:*
1.0.9CPE matchmatch criteria
cpe:2.3:a:asterisk:asterisk:1.0.9:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

5.0MEDIUM

AV:N/AC:L/Au:N/C:N/I:N/A:P

Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
31.52%
Probability of exploitation in next 30 days
EPSS Percentile
98.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
ExploitDB: EDB-4196 · Jul 18, 2007
This CVE's current EPSS score of 0.3152 is in the 98th percentile among its peer group of 23,701 CVEs.

Social Chatter

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.

Media 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

Remediation records are not available for this CVE.

References

bugs.gentoo.org / show_bug.cgi
ftp.digium.com / pub/asa/ASA-2007-016.pdf
PatchVendor Advisory
secunia.com / advisories/26099
secunia.com / advisories/29051
security.gentoo.org / glsa/glsa-200802-11.xml
exchange.xforce.ibmcloud.com / vulnerabilities/35478
debian.org / security/2007/dsa-1358
novell.com / linux/security/advisories/2007_15_sr.html
securityfocus.com / bid/24950
securitytracker.com / id
vupen.com / english/advisories/2007/2563