Information Exposure Affecting asterisk package, versions [,1.2.35)[1.3.0.0,1.3.0.5)[1.4.26.0,1.4.26.3)[1.6.0.0,1.6.0.17)[1.6.1.0,1.6.1.9)


Severity

Recommended
0.0
medium
0
10

CVSS assessment made by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
1.94% (89th percentile)

Do your applications use this vulnerable package?

In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.

Test your applications
  • Snyk IDSNYK-UNMANAGED-ASTERISK-2371620
  • published26 Jan 2022
  • disclosed10 Nov 2009
  • creditUnknown

Introduced: 10 Nov 2009

CVE-2009-3727  (opens in a new tab)
CWE-200  (opens in a new tab)

How to fix?

Upgrade asterisk to version 1.2.35, 1.3.0.5, 1.4.26.3, 1.6.0.17, 1.6.1.9 or higher.

Overview

Affected versions of this package are vulnerable to Information Exposure. 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.

CVSS Base Scores

version 3.1