NVD

Id
10984  
Name
CVE-2011-4597  
Description
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.  
Reject
 
CVSS Version
2  
CVSS Score
5  
Severity
Medium  
CVSS Base Score
5  
CVSS Impact Subscore
2.9  
CVSS Exploit Subscore
10  
CVSS Vector
(AV:N/AC:L/Au:N/C:P/I:N/A:N)  
Pub Date
2017-01-07  
Published
2011-12-14  
Modified Date
2012-11-06  
Seq
2011-4597  

Actions

Related NVD References

Id NVD Id NVD No. Reference Actions
61279 10984 CVE-2011-4597 20111222 Exploit for Asterisk Security Advisory AST-2011-013  View
61280 10984 CVE-2011-4597 http://downloads.asterisk.org/pub/security/AST-2011-013.html  View
61281 10984 CVE-2011-4597 [asterisk-dev] 20111108 Summary: SIP, NAT, security concerns, oh my!  View
61282 10984 CVE-2011-4597 [oss-security] 20111209 CVE Request -- Asterisk -- AST-2011-013 and AST-2011-014  View
61283 10984 CVE-2011-4597 [oss-security] 20111209 Re: CVE Request -- Asterisk -- AST-2011-013 and AST-2011-014  View
61284 10984 CVE-2011-4597 DSA-2367  View

Related JVN

Id Name Title Summary Cveinfo Name Cveinfo Id Nvdinfo Name Nvdinfo Id Cvssv2 Cvssv3 Jvnurl Published Date Last Updated Date Actions
33161 JVNDB-2011-003401 Asterisk の UDP 実装での SIP におけるユーザ名を列挙される脆弱性 Asterisk の SIP over UDP 実装は、SIP ユーザ名が存在しているかどうかに応じて、無効なリクエストに対して異なるポート番号を使用するため、ユーザ名を列挙される脆弱性が存在します。 CVE-2011-4597 52504 CVE-2011-4597 10984 5 http://jvndb.jvn.jp/ja/contents/2011/JVNDB-2011-003401.html 2011-07-18 2011-12-19 View