Public exploit available
Public proof-of-concept or exploit code exists (ExploitDB / Metasploit / Nuclei).
CVE-2008-3263 — Improper Restriction of Operations within the Bounds of a Memory Buffer in Asterisk
Severity
7.8HIGHNVD
EPSS
36.1%
top 2.89%
CISA KEV
Not in KEV
Exploit
PoC available
Public exploit / PoC exists
Affected products
Timeline
PublishedJul 22
Latest updateMay 2
Description
The IAX2 protocol implementation in Asterisk Open Source 1.0.x, 1.2.x before 1.2.30, and 1.4.x before 1.4.21.2; Business Edition A.x.x, B.x.x before B.2.5.4, and C.x.x before C.1.10.3; AsteriskNOW; Appliance Developer Kit 0.x.x; and s800i 1.0.x before 1.2.0.1 allows remote attackers to cause a denial of service (call-number exhaustion and CPU consumption) by quickly sending a large number of IAX2 (IAX) POKE requests.
CVSS vector
AV:N/AC:L/C:N/I:N/A:CExploitability: 10.0 | Impact: 6.9