CVE-2007-2297
The SIP channel driver (chan_sip) in Asterisk before 1.2.18 and 1.4.x before 1.4.3 does not properly parse SIP UDP packets that do not contain a valid response code, which allows remote attackers to
02 Description
The SIP channel driver (chan_sip) in Asterisk before 1.2.18 and 1.4.x before 1.4.3 does not properly parse SIP UDP packets that do not contain a valid response code, which allows remote attackers to
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
- 2.39% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 83.5% 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
- 2007-04-26 20:00Z19 YR AGO
- Last updated
- 2024-08-07 13:33Z2 YR AGO
- Reserved
- 2007-04-26
- Assigning CNA
- mitre
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- No CWE assigned
- Data version
- 5.1
- Document digest
- 96ba3587c0712511fe7a003b4897c3bc43342881e9f47c8d24e032b03719af91
05 Affected products
06 References
- www.asterisk.orghttp://www.asterisk.org/files/ASA-2007-011.pdf
- bugs.digium.comhttp://bugs.digium.com/view.php?id=9313
- www.novell.comSUSE-SA:2007:034http://www.novell.com/linux/security/advisories/2007_34_asterisk.html
- www.securitytracker.com1017954http://www.securitytracker.com/id?1017954
- www.securityfocus.com24359http://www.securityfocus.com/bid/24359
- www.securityfocus.com20070425 ASA-2007-011: Multiple problems in SIP channel parser handling response codeshttp://www.securityfocus.com/archive/1/466882/100/0/threaded
- secunia.com25582http://secunia.com/advisories/25582
- exchange.xforce.ibmcloud.comasterisk-sip-response-dos(33892)https://exchange.xforce.ibmcloud.com/vulnerabilities/33892
- securityreason.com2644http://securityreason.com/securityalert/2644
- www.debian.orgDSA-1358http://www.debian.org/security/2007/dsa-1358
07 Fixed in
Debian 14
- asterisk Fixed in 1:1.4.2~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.