CVE-2009-3727
Summary
| CVE | CVE-2009-3727 |
|---|---|
| State | PUBLISHED |
| Assigner | redhat |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2009-11-10 18:30:00 UTC |
| Updated | 2026-04-23 00:35:47 UTC |
| Description | Asterisk Open Source 1.2.x before 1.2.35, 1.4.x before 1.4.26.3, 1.6.0.x before 1.6.0.17, and 1.6.1.x before 1.6.1.9; Business Edition A.x.x, B.x.x before B.2.5.12, C.2.x.x before C.2.4.5, and C.3.x.x before C.3.2.2; AsteriskNOW 1.5; and s800i 1.3.x before 1.3.0.5 generate different error messages depending on whether a SIP username is valid, which allows remote attackers to enumerate valid usernames via multiple crafted REGISTER messages with inconsistent usernames in the URI in the To header and the Digest in the Authorization header. |
Risk And Classification
CVSS v2.0 Breakdown
Access Vector
NetworkAccess Complexity
LowAuthentication
NoneConfidentiality
PartialIntegrity
NoneAvailability
NoneAV:N/AC:L/Au:N/C:P/I:N/A:N
NVD Known Affected Configurations (CPE 2.3)
| Type | Vendor | Product | Version | Update | Edition | Language |
|---|---|---|---|---|---|---|
| Application | Digium | Asterisk | 1.2.0 | All | All | All |
| Application | Digium | Asterisk | 1.2.0 | beta1 | All | All |
| Application | Digium | Asterisk | 1.2.0 | beta2 | All | All |
| Application | Digium | Asterisk | 1.2.0 | rc1 | All | All |
| Application | Digium | Asterisk | 1.2.0 | rc2 | All | All |
| Application | Digium | Asterisk | 1.2.1 | All | All | All |
| Application | Digium | Asterisk | 1.2.10 | All | All | All |
| Application | Digium | Asterisk | 1.2.10 | netsec | All | All |
| Application | Digium | Asterisk | 1.2.11 | All | All | All |
| Application | Digium | Asterisk | 1.2.11 | netsec | All | All |
| Application | Digium | Asterisk | 1.2.12 | All | All | All |
| Application | Digium | Asterisk | 1.2.12 | netsec | All | All |
| Application | Digium | Asterisk | 1.2.12.1 | All | All | All |
| Application | Digium | Asterisk | 1.2.12.1 | netsec | All | All |
| Application | Digium | Asterisk | 1.2.13 | All | All | All |
| Application | Digium | Asterisk | 1.2.13 | netsec | All | All |
| Application | Digium | Asterisk | 1.2.14 | All | All | All |
| Application | Digium | Asterisk | 1.2.15 | All | All | All |
| Application | Digium | Asterisk | 1.2.15 | netsec | All | All |
| Application | Digium | Asterisk | 1.2.16 | All | All | All |
| Application | Digium | Asterisk | 1.2.16 | netsec | All | All |
| Application | Digium | Asterisk | 1.2.17 | All | All | All |
| Application | Digium | Asterisk | 1.2.17 | netsec | All | All |
| Application | Digium | Asterisk | 1.2.18 | All | All | All |
| Application | Digium | Asterisk | 1.2.18 | netsec | All | All |
| Application | Digium | Asterisk | 1.2.19 | All | All | All |
| Application | Digium | Asterisk | 1.2.19 | netsec | All | All |
| Application | Digium | Asterisk | 1.2.2 | All | All | All |
| Application | Digium | Asterisk | 1.2.2 | netsec | All | All |
| Application | Digium | Asterisk | 1.2.20 | All | All | All |
| Application | Digium | Asterisk | 1.2.20 | netsec | All | All |
| Application | Digium | Asterisk | 1.2.21 | All | All | All |
| Application | Digium | Asterisk | 1.2.21 | netsec | All | All |
| Application | Digium | Asterisk | 1.2.21.1 | All | All | All |
| Application | Digium | Asterisk | 1.2.21.1 | netsec | All | All |
| Application | Digium | Asterisk | 1.2.22 | All | All | All |
| Application | Digium | Asterisk | 1.2.22 | netsec | All | All |
| Application | Digium | Asterisk | 1.2.23 | All | All | All |
| Application | Digium | Asterisk | 1.2.23 | netsec | All | All |
| Application | Digium | Asterisk | 1.2.24 | All | All | All |
| Application | Digium | Asterisk | 1.2.24 | netsec | All | All |
| Application | Digium | Asterisk | 1.2.25 | All | All | All |
| Application | Digium | Asterisk | 1.2.25 | netsec | All | All |
| Application | Digium | Asterisk | 1.2.26 | All | All | All |
| Application | Digium | Asterisk | 1.2.26 | netsec | All | All |
| Application | Digium | Asterisk | 1.2.26.1 | All | All | All |
| Application | Digium | Asterisk | 1.2.26.1 | netsec | All | All |
| Application | Digium | Asterisk | 1.2.26.2 | All | All | All |
| Application | Digium | Asterisk | 1.2.26.2 | netsec | All | All |
| Application | Digium | Asterisk | 1.2.27 | All | All | All |
| Application | Digium | Asterisk | 1.2.28 | All | All | All |
| Application | Digium | Asterisk | 1.2.28.1 | All | All | All |
| Application | Digium | Asterisk | 1.2.29 | All | All | All |
| Application | Digium | Asterisk | 1.2.3 | All | All | All |
| Application | Digium | Asterisk | 1.2.3 | netsec | All | All |
| Application | Digium | Asterisk | 1.2.30 | All | All | All |
| Application | Digium | Asterisk | 1.2.30.1 | All | All | All |
| Application | Digium | Asterisk | 1.2.30.2 | All | All | All |
| Application | Digium | Asterisk | 1.2.30.3 | All | All | All |
| Application | Digium | Asterisk | 1.2.30.4 | All | All | All |
| Application | Digium | Asterisk | 1.2.31 | All | All | All |
| Application | Digium | Asterisk | 1.2.31.1 | All | All | All |
| Application | Digium | Asterisk | 1.2.32 | All | All | All |
| Application | Digium | Asterisk | 1.2.33 | All | All | All |
| Application | Digium | Asterisk | 1.2.34 | All | All | All |
| Application | Digium | Asterisk | 1.4.0 | All | All | All |
| Application | Digium | Asterisk | 1.4.0 | beta1 | All | All |
| Application | Digium | Asterisk | 1.4.0 | beta2 | All | All |
| Application | Digium | Asterisk | 1.4.0 | beta3 | All | All |
| Application | Digium | Asterisk | 1.4.0 | beta4 | All | All |
| Application | Digium | Asterisk | 1.4.1 | All | All | All |
| Application | Digium | Asterisk | 1.4.10 | All | All | All |
| Application | Digium | Asterisk | 1.4.10.1 | All | All | All |
| Application | Digium | Asterisk | 1.4.11 | All | All | All |
| Application | Digium | Asterisk | 1.4.12 | All | All | All |
| Application | Digium | Asterisk | 1.4.12.1 | All | All | All |
| Application | Digium | Asterisk | 1.4.13 | All | All | All |
| Application | Digium | Asterisk | 1.4.14 | All | All | All |
| Application | Digium | Asterisk | 1.4.15 | All | All | All |
| Application | Digium | Asterisk | 1.4.16 | All | All | All |
| Application | Digium | Asterisk | 1.4.16.1 | All | All | All |
| Application | Digium | Asterisk | 1.4.16.2 | All | All | All |
| Application | Digium | Asterisk | 1.4.17 | All | All | All |
| Application | Digium | Asterisk | 1.4.18 | All | All | All |
| Application | Digium | Asterisk | 1.4.19 | All | All | All |
| Application | Digium | Asterisk | 1.4.19 | rc1 | All | All |
| Application | Digium | Asterisk | 1.4.19 | rc2 | All | All |
| Application | Digium | Asterisk | 1.4.19 | rc3 | All | All |
| Application | Digium | Asterisk | 1.4.19 | rc4 | All | All |
| Application | Digium | Asterisk | 1.4.19.1 | All | All | All |
| Application | Digium | Asterisk | 1.4.19.2 | All | All | All |
| Application | Digium | Asterisk | 1.4.2 | All | All | All |
| Application | Digium | Asterisk | 1.4.20 | All | All | All |
| Application | Digium | Asterisk | 1.4.20 | rc1 | All | All |
| Application | Digium | Asterisk | 1.4.20 | rc2 | All | All |
| Application | Digium | Asterisk | 1.4.20 | rc3 | All | All |
| Application | Digium | Asterisk | 1.4.20.1 | All | All | All |
| Application | Digium | Asterisk | 1.4.21 | All | All | All |
| Application | Digium | Asterisk | 1.4.21 | rc1 | All | All |
| Application | Digium | Asterisk | 1.4.21 | rc2 | All | All |
| Application | Digium | Asterisk | 1.4.21.1 | All | All | All |
| Application | Digium | Asterisk | 1.4.21.2 | All | All | All |
| Application | Digium | Asterisk | 1.4.22 | All | All | All |
| Application | Digium | Asterisk | 1.4.22 | rc1 | All | All |
| Application | Digium | Asterisk | 1.4.22 | rc2 | All | All |
| Application | Digium | Asterisk | 1.4.22 | rc3 | All | All |
| Application | Digium | Asterisk | 1.4.22 | rc4 | All | All |
| Application | Digium | Asterisk | 1.4.22 | rc5 | All | All |
| Application | Digium | Asterisk | 1.4.22.1 | All | All | All |
| Application | Digium | Asterisk | 1.4.22.2 | All | All | All |
| Application | Digium | Asterisk | 1.4.23 | All | All | All |
| Application | Digium | Asterisk | 1.4.23 | rc1 | All | All |
| Application | Digium | Asterisk | 1.4.23 | rc2 | All | All |
| Application | Digium | Asterisk | 1.4.23 | rc3 | All | All |
| Application | Digium | Asterisk | 1.4.23 | rc4 | All | All |
| Application | Digium | Asterisk | 1.4.23.1 | All | All | All |
| Application | Digium | Asterisk | 1.4.23.2 | All | All | All |
| Application | Digium | Asterisk | 1.4.24 | All | All | All |
| Application | Digium | Asterisk | 1.4.24 | rc1 | All | All |
| Application | Digium | Asterisk | 1.4.24.1 | All | All | All |
| Application | Digium | Asterisk | 1.4.25 | All | All | All |
| Application | Digium | Asterisk | 1.4.25 | rc1 | All | All |
| Application | Digium | Asterisk | 1.4.25.1 | All | All | All |
| Application | Digium | Asterisk | 1.4.26 | All | All | All |
| Application | Digium | Asterisk | 1.4.26 | rc1 | All | All |
| Application | Digium | Asterisk | 1.4.26 | rc2 | All | All |
| Application | Digium | Asterisk | 1.4.26 | rc3 | All | All |
| Application | Digium | Asterisk | 1.4.26 | rc4 | All | All |
| Application | Digium | Asterisk | 1.4.26 | rc5 | All | All |
| Application | Digium | Asterisk | 1.4.26 | rc6 | All | All |
| Application | Digium | Asterisk | 1.4.26.1 | All | All | All |
| Application | Digium | Asterisk | 1.4.26.2 | All | All | All |
| Application | Digium | Asterisk | 1.4.3 | All | All | All |
| Application | Digium | Asterisk | 1.4.4 | All | All | All |
| Application | Digium | Asterisk | 1.4.5 | All | All | All |
| Application | Digium | Asterisk | 1.4.6 | All | All | All |
| Application | Digium | Asterisk | 1.4.7 | All | All | All |
| Application | Digium | Asterisk | 1.4.7.1 | All | All | All |
| Application | Digium | Asterisk | 1.4.8 | All | All | All |
| Application | Digium | Asterisk | 1.4.9 | All | All | All |
| Application | Digium | Asterisk | 1.6.0 | All | All | All |
| Application | Digium | Asterisk | 1.6.0 | beta1 | All | All |
| Application | Digium | Asterisk | 1.6.0 | beta2 | All | All |
| Application | Digium | Asterisk | 1.6.0 | beta3 | All | All |
| Application | Digium | Asterisk | 1.6.0 | beta4 | All | All |
| Application | Digium | Asterisk | 1.6.0 | beta5 | All | All |
| Application | Digium | Asterisk | 1.6.0 | beta6 | All | All |
| Application | Digium | Asterisk | 1.6.0 | beta7 | All | All |
| Application | Digium | Asterisk | 1.6.0 | beta7.1 | All | All |
| Application | Digium | Asterisk | 1.6.0 | beta8 | All | All |
| Application | Digium | Asterisk | 1.6.0 | beta9 | All | All |
| Application | Digium | Asterisk | 1.6.0 | rc4 | All | All |
| Application | Digium | Asterisk | 1.6.0 | rc5 | All | All |
| Application | Digium | Asterisk | 1.6.0 | rc6 | All | All |
| Application | Digium | Asterisk | 1.6.0.1 | All | All | All |
| Application | Digium | Asterisk | 1.6.0.10 | All | All | All |
| Application | Digium | Asterisk | 1.6.0.11 | All | All | All |
| Application | Digium | Asterisk | 1.6.0.11 | rc1 | All | All |
| Application | Digium | Asterisk | 1.6.0.11 | rc2 | All | All |
| Application | Digium | Asterisk | 1.6.0.14 | All | All | All |
| Application | Digium | Asterisk | 1.6.0.14 | rc1 | All | All |
| Application | Digium | Asterisk | 1.6.0.15 | All | All | All |
| Application | Digium | Asterisk | 1.6.0.16 | All | All | All |
| Application | Digium | Asterisk | 1.6.0.16 | rc1 | All | All |
| Application | Digium | Asterisk | 1.6.0.16 | rc2 | All | All |
| Application | Digium | Asterisk | 1.6.0.2 | All | All | All |
| Application | Digium | Asterisk | 1.6.0.3 | All | All | All |
| Application | Digium | Asterisk | 1.6.0.3 | rc1 | All | All |
| Application | Digium | Asterisk | 1.6.0.4 | rc1 | All | All |
| Application | Digium | Asterisk | 1.6.0.5 | All | All | All |
| Application | Digium | Asterisk | 1.6.0.6 | All | All | All |
| Application | Digium | Asterisk | 1.6.0.7 | All | All | All |
| Application | Digium | Asterisk | 1.6.0.8 | All | All | All |
| Application | Digium | Asterisk | 1.6.0.9 | All | All | All |
| Application | Digium | Asterisk | 1.6.1.0 | All | All | All |
| Application | Digium | Asterisk | 1.6.1.0 | rc2 | All | All |
| Application | Digium | Asterisk | 1.6.1.0 | rc3 | All | All |
| Application | Digium | Asterisk | 1.6.1.0 | rc4 | All | All |
| Application | Digium | Asterisk | 1.6.1.0 | rc5 | All | All |
| Application | Digium | Asterisk | 1.6.1.1 | All | All | All |
| Application | Digium | Asterisk | 1.6.1.10 | rc1 | All | All |
| Application | Digium | Asterisk | 1.6.1.10 | rc2 | All | All |
| Application | Digium | Asterisk | 1.6.1.2 | All | All | All |
| Application | Digium | Asterisk | 1.6.1.3 | rc1 | All | All |
| Application | Digium | Asterisk | 1.6.1.4 | All | All | All |
| Application | Digium | Asterisk | 1.6.1.5 | All | All | All |
| Application | Digium | Asterisk | 1.6.1.5 | rc1 | All | All |
| Application | Digium | Asterisk | 1.6.1.6 | All | All | All |
| Application | Digium | Asterisk | 1.6.1.7 | rc1 | All | All |
| Application | Digium | Asterisk | 1.6.1.7 | rc2 | All | All |
| Application | Digium | Asterisk | 1.6.1.8 | All | All | All |
| Application | Digium | Asterisk | a | - | business | All |
| Application | Digium | Asterisk | b | - | business | All |
| Application | Digium | Asterisk | b.1.3.2 | - | business | All |
| Application | Digium | Asterisk | b.1.3.3 | - | business | All |
| Application | Digium | Asterisk | b.2.2.0 | - | business | All |
| Application | Digium | Asterisk | b.2.2.1 | - | business | All |
| Application | Digium | Asterisk | b.2.3.1 | - | business | All |
| Application | Digium | Asterisk | b.2.3.2 | - | business | All |
| Application | Digium | Asterisk | b.2.3.3 | - | business | All |
| Application | Digium | Asterisk | b.2.3.4 | - | business | All |
| Application | Digium | Asterisk | b.2.3.5 | - | business | All |
| Application | Digium | Asterisk | b.2.3.6 | - | business | All |
| Application | Digium | Asterisk | b.2.5.0 | - | business | All |
| Application | Digium | Asterisk | b.2.5.1 | - | business | All |
| Application | Digium | Asterisk | b.2.5.2 | - | business | All |
| Application | Digium | Asterisk | b.2.5.3 | - | business | All |
| Application | Digium | Asterisk | c | - | business | All |
| Application | Digium | Asterisk | c.2.3 | - | business | All |
| Application | Digium | Asterisk | c.3.0 | - | business | All |
| Application | Digium | Asterisknow | 1.5 | All | All | All |
| Hardware | Digium | S800i | 1.3.0 | All | All | All |
| Hardware | Digium | S800i | 1.3.0.2 | All | All | All |
| Hardware | Digium | S800i | 1.3.0.3 | All | All | All |
| Hardware | Digium | S800i | 1.3.0.4 | All | All | All |
Vendor Declared Affected Products
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| About Secunia Research | Flexera | af854a3a-2127-422b-91ae-364da2661108 | secunia.com | Vendor Advisory |
| Fedora update for asterisk - Advisories - Community | af854a3a-2127-422b-91ae-364da2661108 | secunia.com | |
| AST-2009-008 | af854a3a-2127-422b-91ae-364da2661108 | downloads.asterisk.org | Vendor Advisory |
| 523277 – (CVE-2008-7220) CVE-2008-7220 WordPress, MediaTomb, python-webhelpers, Asterisk, Plone -- embedded Prototype JavaScript FrameWork: XSS Ajax requests (AST-2009-009) | af854a3a-2127-422b-91ae-364da2661108 | bugzilla.redhat.com | |
| [SECURITY] Fedora 10 Update: asterisk-1.6.0.17-2.fc10 | af854a3a-2127-422b-91ae-364da2661108 | www.redhat.com | |
| Asterisk SIP Response Username Enumeration Remote Information Disclosure Vulnerability | af854a3a-2127-422b-91ae-364da2661108 | www.securityfocus.com | Patch |
| Debian update for asterisk - Advisories - Community | af854a3a-2127-422b-91ae-364da2661108 | secunia.com | |
| SecurityTracker.com Archives - Asterisk Discloses Valid Usersnames to Remote Users in Response to Specially Crafted REGISTER Messages | af854a3a-2127-422b-91ae-364da2661108 | www.securitytracker.com | |
| osvdb.org/59697 | af854a3a-2127-422b-91ae-364da2661108 | osvdb.org | |
| Debian -- Security Information -- DSA-1952-1 asterisk | af854a3a-2127-422b-91ae-364da2661108 | www.debian.org | |
| [SECURITY] Fedora 11 Update: asterisk-1.6.1.9-1.fc11 | af854a3a-2127-422b-91ae-364da2661108 | www.redhat.com | |
| 533137 – (CVE-2009-3727) CVE-2009-3727 Asterisk: SIP responses expose valid usernames (AST-2009-008) | af854a3a-2127-422b-91ae-364da2661108 | bugzilla.redhat.com | |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
No vendor comments have been submitted for this CVE.
There are currently no legacy QID mappings associated with this CVE.