CVE-2008-1923
The IAX2 channel driver (chan_iax2) in Asterisk 1.2 before revision 72630 and 1.4 before revision 65679, when configured to allow unauthenticated calls, sends "early audio" to an unverified source IP
02 Description
The IAX2 channel driver (chan_iax2) in Asterisk 1.2 before revision 72630 and 1.4 before revision 65679, when configured to allow unauthenticated calls, sends "early audio" to an unverified source IP
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 1.40% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 72.2% of scored records. A rank, not a probability.
- NVD base score
- The NVD has published no score for this record
- NVD CVSS vector
- No NVD score to derive
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-16.
- Red Hat severity
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2008-04-23 16:00Z18 YR AGO
- Last updated
- 2024-08-07 08:41Z2 YR AGO
- Reserved
- 2008-04-23
- Assigning CNA
- mitre
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- Data version
- 5.1
- Document digest
- ab41aed5d78dcdbc2a7213a40c52b718923fc051ac0d4f43692497cba5dab7b4
05 Affected products
06 References
- exchange.xforce.ibmcloud.comasterisk-new-dos(42049)https://exchange.xforce.ibmcloud.com/vulnerabilities/42049
- downloads.digium.comhttp://downloads.digium.com/pub/security/AST-2008-006.html
- bugs.digium.comhttp://bugs.digium.com/view.php?id=10078
- www.altsci.comhttp://www.altsci.com/concepts/page.php?s=asteri&p=1
07 Fixed in
Debian 14
- asterisk Fixed in 1:1.4.19.1~dfsg-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.