Vulnerability CVE-2013-2264


Published: 2013-04-01

Description:
The SIP channel driver in Asterisk Open Source 1.8.x before 1.8.20.2, 10.x before 10.12.2, and 11.x before 11.2.2; Certified Asterisk 1.8.15 before 1.8.15-cert2; Asterisk Business Edition (BE) C.3.x before C.3.8.1; and Asterisk Digiumphones 10.x-digiumphones before 10.12.2-digiumphones exhibits different behavior for invalid INVITE, SUBSCRIBE, and REGISTER transactions depending on whether the user account exists, which allows remote attackers to enumerate account names by (1) reading HTTP status codes, (2) reading additional text in a 403 (aka Forbidden) response, or (3) observing whether certain retransmissions occur.

Type:

CWE-200

(Information Exposure)

Vendor: Asterisk
Product: Business edition 
Version:
c.3.3.2
c.3.3
c.3.2.2
See more versions on NVD
Product: Open source 
Version:
11.2.1
11.2.0
11.1.2
11.1.1
11.1.0
11.0.2
11.0.1
11.0.0
10.9.0
10.8.0
10.7.1
10.7.0
10.6.1
10.6.0
10.5.2
10.5.1
10.5.0
10.4.2
10.4.1
10.4.0
10.3.1
10.3.0
10.2.1
10.2.0
10.12.1
10.12.0
10.11.1
10.11.0
10.10.1
10.10.0
10.1.3
10.1.2
10.1.1
10.1.0
10.0.1
10.0.0
1.8.9.3
1.8.9.2
1.8.9.1
1.8.9.0
1.8.8.2
1.8.8.1
1.8.8.0
1.8.7.2
1.8.7.1
1.8.7.0
1.8.6.0
1.8.5.0
1.8.5
1.8.4.4
1.8.4.3
1.8.4.2
1.8.4.1
1.8.4
1.8.3.3
1.8.3.2
1.8.3.1
1.8.3
1.8.20.1
1.8.20.0
1.8.2.4
1.8.2.3
1.8.2.2
1.8.2.1
1.8.2
1.8.19.1
1.8.19.0
1.8.18.1
1.8.18.0
1.8.17.0
1.8.16.0
1.8.15.1
1.8.15.0
1.8.14.1
1.8.14.0
1.8.13.1
1.8.13.0
1.8.12.2
1.8.12.1
1.8.12.0
1.8.12
See more versions on NVD
Product: Digiumphones 
Version:
10.9.0
10.8.0
10.7.0
10.6.0
10.5.0
10.4.0
10.3.0
10.2.0
10.12.1
10.12.0
10.11.0
10.10.0
10.1.0
10.0.0
See more versions on NVD
Product: Certified asterisk 
Version: 1.8.15.0; 1.8.15;

CVSS2 => (AV:N/AC:L/Au:N/C:P/I:N/A:N)

CVSS Base Score
Impact Subscore
Exploitability Subscore
5/10
2.9/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
Partial
None
None

 References:
https://issues.asterisk.org/jira/browse/ASTERISK-21013
http://downloads.asterisk.org/pub/security/AST-2013-003.html

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