Bug 480132 (CVE-2009-0041)

Summary: CVE-2009-0041 asterisk: Replies to failed login attempts differently based on whether the user account exists (information disclosure)
Product: [Other] Security Response Reporter: Jan Lieskovsky <jlieskov>
Component: vulnerabilityAssignee: Red Hat Product Security <security-response-team>
Status: CLOSED ERRATA QA Contact:
Severity: low Docs Contact:
Priority: low    
Version: unspecifiedCC: jeff
Target Milestone: ---Keywords: Security
Target Release: ---   
Hardware: All   
OS: Linux   
URL: http://www.securityfocus.com/bid/33174
Whiteboard:
Fixed In Version: Doc Type: Bug Fix
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2009-10-27 18:19:58 UTC Type: ---
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:

Description Jan Lieskovsky 2009-01-15 10:17:31 UTC
Common Vulnerabilities and Exposures assigned an identifier CVE-2009-0041 to
the following vulnerability:

IAX2 in Asterisk Open Source 1.2.x before 1.2.31, 1.4.x before
1.4.23-rc4, and 1.6.x before 1.6.0.3-rc2; Business Edition A.x.x,
B.x.x before B.2.5.7, C.1.x.x before C.1.10.4, and C.2.x.x before
C.2.1.2.1; and s800i 1.2.x before 1.3.0 responds differently to a
failed login attempt depending on whether the user account exists,
which allows remote attackers to enumerate valid usernames.

References:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-0041
http://www.securityfocus.com/bid/33174
http://www.securityfocus.com/archive/1/archive/1/499884/100/0/threaded
http://www.securityfocus.com/bid/33174/solution

Patch against Asterisk 1.6:
http://downloads.digium.com/pub/security/AST-2009-001-1.6.0.diff

Comment 1 Jan Lieskovsky 2009-01-15 10:18:09 UTC
This issue affects all versions of the Asterisk package, as shipped
with Fedora releases of 9, 10 and devel.

Please fix.

Comment 2 Tomas Hoger 2009-01-15 10:31:28 UTC
Updates to 1.6.0.3 are already built and pushed to testing:
  https://admin.fedoraproject.org/updates/F9/FEDORA-2009-0536
  https://admin.fedoraproject.org/updates/F10/FEDORA-2009-0448

Comment 4 Tomas Hoger 2009-10-27 18:19:58 UTC
Fixed asterisk packages are now in all current Fedora versions.