Vulnerability Details : CVE-2011-4597
The SIP over UDP implementation in Asterisk Open Source 1.4.x before 1.4.43, 1.6.x before 1.6.2.21, and 1.8.x before 1.8.7.2 uses different port numbers for responses to invalid requests depending on whether a SIP username exists, which allows remote attackers to enumerate usernames via a series of requests.
Vulnerability category: Information leak
Products affected by CVE-2011-4597
- cpe:2.3:a:digium:asterisk:1.4.0:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.5:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.7:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.7.1:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.8:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.22:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.23:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.23.1:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.1:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.10:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.15:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.16:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.19:rc3:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.19:rc4:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.20:rc3:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.20.1:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.22:rc1:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.22:rc2:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.23:rc2:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.23:rc3:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.25:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.25.1:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.26:rc5:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.26:rc6:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.0:beta1:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.0:beta2:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.12:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.12.1:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.17:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.18:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.2:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.20:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.21:rc2:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.21.1:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.22:rc5:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.22.1:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.22.2:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.23.2:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.24:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.26:rc1:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.26:rc2:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.4:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.0:beta3:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.0:beta4:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.13:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.14:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.19:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.19:rc1:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.19:rc2:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.20:rc1:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.20:rc2:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.21.2:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.23:rc1:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.24.1:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.24:rc1:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.26:rc3:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.26:rc4:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.6:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.10.1:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.11:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.16.1:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.16.2:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.19.1:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.19.2:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.21:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.21:rc1:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.22:rc3:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.22:rc4:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.23:rc4:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.25:rc1:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.26:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.26.1:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.26.2:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.3:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.9:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.27:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.27:rc5:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.6.2.0:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.6.2.0:rc2:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.6.2.0:rc3:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.6.2.1:rc1:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.6.2.2:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.6.2.0:rc4:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.6.2.0:rc5:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.6.2.3:rc2:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.6.2.4:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.6.2.0:rc8:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.6.2.1:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.6.2.0:rc6:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.6.2.0:rc7:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.29:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.30:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.26.3:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.28:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.29.1:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.29:rc1:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.30:rc3:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.27:rc2:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.27:rc3:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.35:rc1:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.33:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.33:rc1:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.39:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.39.1:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.28:rc1:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.31:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.33:rc2:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.33.1:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.27:rc4:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.36:rc1:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.36:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.27.1:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.34:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.34:rc1:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.31:rc1:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.31:rc2:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.37:rc1:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.37:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.30:rc2:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.27:rc1:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.34:rc2:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.35:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.32:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.32:rc1:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.39:rc1:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.38:rc1:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.38:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.6.2.6:rc2:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.6.2.16.1:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.6.2.15:rc1:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.6.2.5:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.6.2.16:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.6.2.16:rc1:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.6.2.6:rc1:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.6.2.6:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.8.1.2:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.8.1.1:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.8.0:beta2:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.8.0:beta3:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.8.1:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.8.0:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.8.0:beta1:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.8.0:rc4:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.8.0:rc5:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.8.1:rc1:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.8.2.2:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.8.2.3:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.8.0:rc2:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.8.0:rc3:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.8.2:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.8.2.1:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.8.0:beta4:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.8.0:beta5:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.6.2.17:rc1:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.6.2.17:rc2:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.6.2.17:rc3:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.6.2.17:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.6.2.17.1:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.8.3:rc1:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.8.3:rc2:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.8.3:rc3:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.8.3:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.8.3.1:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.40:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.40:rc1:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.39.2:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.40:rc2:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.40:rc3:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.6.2.16.2:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.6.2.17.2:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.8.2.4:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.8.3.2:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.8.4:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.8.4:rc1:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.8.4:rc2:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.8.4:rc3:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.8.4.1:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.8.3.3:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.6.2.18:rc1:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.6.2.17.3:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.6.2.18:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.8.4.2:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.40.1:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.40.2:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.41:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.41:rc1:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.8.4.3:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.41.1:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.41.2:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.8.4.4:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.8.5:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.8.7.0:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.8.7.0:rc1:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.8.6.0:rc2:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.8.6.0:rc3:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.8.6.0:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.8.6.0:rc1:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.8.5:rc1:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.8.5.0:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.8.7.0:rc2:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.8.7.1:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.6.2.20:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.6.2.21:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.6.2.19:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.6.2.19:rc1:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.42:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.42:rc1:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:1.4.42:rc2:*:*:*:*:*:*
Threat overview for CVE-2011-4597
Top countries where our scanners detected CVE-2011-4597
Top open port discovered on systems with this issue
80
IPs affected by CVE-2011-4597 251
Threat actors abusing to this issue?
Yes
Find out if you* are
affected by CVE-2011-4597!
*Directly or indirectly through your vendors, service providers and 3rd parties.
Powered by
attack surface intelligence
from SecurityScorecard.
Exploit prediction scoring system (EPSS) score for CVE-2011-4597
1.16%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 83 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2011-4597
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
5.0
|
MEDIUM | AV:N/AC:L/Au:N/C:P/I:N/A:N |
10.0
|
2.9
|
NIST |
CWE ids for CVE-2011-4597
-
The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information.Assigned by: nvd@nist.gov (Primary)
References for CVE-2011-4597
-
http://www.debian.org/security/2011/dsa-2367
Debian -- Security Information -- DSA-2367-1 asterisk
-
http://downloads.asterisk.org/pub/security/AST-2011-013.html
AST-2011-013
-
http://archives.neohapsis.com/archives/bugtraq/2011-12/0151.html
-
http://lists.digium.com/pipermail/asterisk-dev/2011-November/052191.html
[asterisk-dev] Summary: SIP, NAT, security concerns, oh my!
-
http://openwall.com/lists/oss-security/2011/12/09/4
oss-security - Re: CVE Request -- Asterisk -- AST-2011-013 and AST-2011-014
-
http://openwall.com/lists/oss-security/2011/12/09/3
oss-security - CVE Request -- Asterisk -- AST-2011-013 and AST-2011-014
Jump to