CVE-2011-2536

Source
https://nvd.nist.gov/vuln/detail/CVE-2011-2536
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2011-2536.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2011-2536
Related
Published
2011-07-06T19:55:03Z
Modified
2024-11-21T01:28:29Z
Summary
[none]
Details

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.

References

Affected packages

Debian:11 / asterisk

Package

Name
asterisk
Purl
pkg:deb/debian/asterisk?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1:1.8.4.4~dfsg-1

Ecosystem specific

{
    "urgency": "not yet assigned"
}