Information Exposure Affecting asterisk package, versions <1:1.6.2.0~rc6-1


Severity

Recommended
0.0
medium
0
10

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Threat Intelligence

EPSS
1.3% (87th percentile)

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  • Snyk IDSNYK-DEBIAN11-ASTERISK-515437
  • published10 Nov 2009
  • disclosed10 Nov 2009

Introduced: 10 Nov 2009

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

How to fix?

Upgrade Debian:11 asterisk to version 1:1.6.2.0~rc6-1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream asterisk package and not the asterisk package as distributed by Debian. See How to fix? for Debian:11 relevant fixed versions and status.

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 Scores

version 3.1