CVE-2011-2666

2011-07-0600:00:00

ubuntu.com

5 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

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

0.004 Low

EPSS

Percentile

71.9%

JSON

The default configuration of the SIP channel driver in Asterisk Open Source
1.4.x through 1.4.41.2 and 1.6.2.x through 1.6.2.18.2 does not enable the
alwaysauthreject option, which allows remote attackers to enumerate account
names by making a series of invalid SIP requests and observing the
differences in the responses for different usernames, a different
vulnerability than CVE-2011-2536.

OSVersionArchitecturePackageVersionFilename
ubuntu10.04noarchasterisk< 1:1.6.2.5-0ubuntu1.4UNKNOWN
ubuntu10.10noarchasterisk< 1:1.6.2.7-1ubuntu1.2UNKNOWN
ubuntu11.04noarchasterisk< 1:1.6.2.9-2ubuntu2.1UNKNOWN

OS	Version	Architecture	Package	Version	Filename
ubuntu	10.04	noarch	asterisk	< 1:1.6.2.5-0ubuntu1.4	UNKNOWN
ubuntu	10.10	noarch	asterisk	< 1:1.6.2.7-1ubuntu1.2	UNKNOWN
ubuntu	11.04	noarch	asterisk	< 1:1.6.2.9-2ubuntu2.1	UNKNOWN