Executive Summary
| Informations | |||
|---|---|---|---|
| Name | CVE-2011-2536 | First vendor Publication | 2011-07-06 |
| Vendor | Cve | Last vendor Modification | 2024-11-21 |
Security-Database Scoring CVSS v3
| Cvss vector : N/A | |||
|---|---|---|---|
| Overall CVSS Score | NA | ||
| Base Score | NA | Environmental Score | NA |
| impact SubScore | NA | Temporal Score | NA |
| Exploitabality Sub Score | NA | ||
| Calculate full CVSS 3.0 Vectors scores | |||
Security-Database Scoring CVSS v2
| Cvss vector : (AV:N/AC:L/Au:N/C:P/I:N/A:N) | |||
|---|---|---|---|
| Cvss Base Score | 5 | Attack Range | Network |
| Cvss Impact Score | 2.9 | Attack Complexity | Low |
| Cvss Expoit Score | 10 | Authentication | None Required |
| Calculate full CVSS 2.0 Vectors scores | |||
Detail
| chan_sip.c in the SIP channel driver in Asterisk Open Source 1.4.x before 1.4.41.2, 1.6.2.x before 1.6.2.18.2, and 1.8.x before 1.8.4.4, and Asterisk Business Edition C.3.x before C.3.7.3, disregards the alwaysauthreject option and generates different responses for invalid SIP requests depending on whether the user account exists, which allows remote attackers to enumerate account names via a series of requests. |
Original Source
| Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2011-2536 |
CWE : Common Weakness Enumeration
| % | Id | Name |
|---|---|---|
| 100 % | CWE-200 | Information Exposure |
CPE : Common Platform Enumeration
OpenVAS Exploits
| Date | Description |
|---|---|
| 2012-02-12 | Name : Gentoo Security Advisory GLSA 201110-21 (Asterisk) File : nvt/glsa_201110_21.nasl |
| 2011-08-03 | Name : FreeBSD Ports: asterisk14 File : nvt/freebsd_asterisk142.nasl |
Open Source Vulnerability Database (OSVDB)
| Id | Description |
|---|---|
| 73257 | Asterisk SIP Multiple Message Response Username Enumeration |
Nessus® Vulnerability Scanner
| Date | Description |
|---|---|
| 2011-11-22 | Name : A telephony application running on the remote host is affected by an informat... File : asterisk_ast_2011_011.nasl - Type : ACT_GATHER_INFO |
| 2011-10-25 | Name : The remote Gentoo host is missing one or more security-related patches. File : gentoo_GLSA-201110-21.nasl - Type : ACT_GATHER_INFO |
| 2011-06-27 | Name : The remote FreeBSD host is missing one or more security-related updates. File : freebsd_pkg_40544e8c9f7b11e09bec6c626dd55a41.nasl - Type : ACT_GATHER_INFO |
Sources (Detail)
| Source | Url |
|---|
Alert History
| Date | Informations |
|---|---|
| 2024-11-28 23:04:44 |
|
| 2024-11-28 12:26:09 |
|
| 2021-05-04 12:14:44 |
|
| 2021-04-22 01:16:03 |
|
| 2020-05-23 00:28:57 |
|
| 2016-04-26 20:52:04 |
|
| 2014-02-17 11:03:23 |
|
| 2013-05-10 23:03:19 |
|
