CVE-2009-0041
What it is
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.
At a glance
- Exploitability
- Can be exploited over the network without logging in. Limited direct impact.
- Exploit odds
- 2.7% chance of exploitation in the next 30 days (EPSS).
- Fix
- A patch, advisory or fixed version is referenced. Upgrade or apply it.
Timeline
- PublishedDisclosed publicly on CVE.org and NVD
- Last updatedMost recent change to the record
Why it ranks here
- Exploited in the wild: no, CISA does not list it.
- Exploit odds: 2.7% in the next 30 days (EPSS).
- Severity: 5.0 MEDIUM (CVSS).
- Fix: a patch or advisory is linked.
Details
- Published
- Last modified
- Exploit probability
- 2.7% · EPSS, next 30 days
- Weakness
- CWE-200 · Information exposure
- Record status
- Modified
Affected
- Asterisk Business Edition ≤ b.2.5.2
- Asterisk Business Edition ≤ c.1.0
- Asterisk Business Edition A
- Asterisk Business Edition b.1.3.2
- Asterisk Business Edition b.1.3.3
- Asterisk Business Edition b.2.2.0
- Asterisk Business Edition b.2.2.1
- Asterisk Business Edition b.2.3.1
Attack profile CVSS 2.0 · 5.0
- Attack vector
- Network
- Complexity
- Low
- Authentication
- None
- Confidentiality
- Partial
- Integrity
- None
- Availability
- None
Raw vector
AV:N/AC:L/Au:N/C:P/I:N/A:N
Is it in your code?
Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.
Read https://cve-list.com/agent/cve/CVE-2009-0041.md and follow it. Check whether this project is affected by CVE-2009-0041. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.
Fix and advisories
References
- http://downloads.digium.com/pub/security/AST-2009-001.html
- http://secunia.com/advisories/33453
- http://secunia.com/advisories/34982
- http://secunia.com/advisories/37677
- http://security.gentoo.org/glsa/glsa-200905-01.xml
- http://securityreason.com/securityalert/4910
- http://www.debian.org/security/2009/dsa-1952
- http://www.securityfocus.com/archive/1/499884/100/0/threaded
- http://www.securityfocus.com/bid/33174
- http://www.securitytracker.com/id?1021549
- http://www.vupen.com/english/advisories/2009/0063
- http://downloads.digium.com/pub/security/AST-2009-001.html
- http://secunia.com/advisories/33453
- http://secunia.com/advisories/34982
- http://secunia.com/advisories/37677
- http://security.gentoo.org/glsa/glsa-200905-01.xml
- http://securityreason.com/securityalert/4910
- http://www.debian.org/security/2009/dsa-1952
- http://www.securityfocus.com/archive/1/499884/100/0/threaded
- http://www.securityfocus.com/bid/33174
- http://www.securitytracker.com/id?1021549
- http://www.vupen.com/english/advisories/2009/0063