CVE-2011-4597

Source
https://nvd.nist.gov/vuln/detail/CVE-2011-4597
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2011-4597.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2011-4597
Related
Published
2011-12-15T03:57:34Z
Modified
2024-11-21T01:32:37Z
Summary
[none]
Details

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.

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
1:1.8.8.0~dfsg-1

Ecosystem specific

{
    "urgency": "not yet assigned"
}