CVE-2007-4103

The IAX2 channel driver (chan_iax2) in Asterisk Open 1.2.x before 1.2.23, 1.4.x before 1.4.9, and Asterisk Appliance Developer Kit before 0.6.0, when…

published July 31, 2007

CVSS
—
EPSS
6%
Percentile
93.2
In the wild
Unconfirmed
What it is

The IAX2 channel driver (chan_iax2) in Asterisk Open 1.2.x before 1.2.23, 1.4.x before 1.4.9, and Asterisk Appliance Developer Kit before 0.6.0, when configured to allow unauthenticated calls, allows remote attackers to cause a denial of service (resource exhaustion) via a flood of calls that do not complete a 3-way handshake, which causes an ast_channel to be allocated but not released.

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.05943 · 93.2th percentile
Published
2007-07-31T10:00Z
EPSS history
Timeline
  • 31 JUL 10:00Z
    The IAX2 channel driver (chan_iax2) in Asterisk Open 1.2.x before 1.2.23, 1.4.x before 1.4.9, and Asterisk Appliance Developer Kit before 0.6.0, when…
    cvelistv5