CVE-2007-1306Asterisk Vulnerability
Asterisk 1.4 before 1.4.1 and 1.2 before 1.2.16 allows remote attackers to cause a denial of service (crash) by sending a Session Initiation Protocol (SIP) packet without a URI and SIP-version header, which results in a NULL pointer dereference.
Published Mar 7, 2007 · Updated Aug 4, 2026 · Also known as DEBIAN-CVE-2007-1306, DSA-1358-1
Key Facts
Patch immediately- CVE-2007-1306 is a high-severity vulnerability (CVSS 7.8 v2) affecting Asterisk (Digium).
- It is not listed in any known-exploited vulnerabilities catalog. Public exploit code is available.
- EPSS estimates a 21% probability of exploitation in the next 30 days.
- Fixed versions are available, including Asterisk 1:1.0.7.dfsg.1-2sarge5, Asterisk 1:1.2.13~dfsg-2etch1, Asterisk 1:1.2.16~dfsg-1.
- Brandefense priority: patch immediately, because public exploit code exists for a high-severity flaw.
Scores
CVSS v2
7.8
AV:N/AC:L/Au:N/C:N/I:N/A:C
EPSS (30-day exploit likelihood)
21%
Higher than 97.5% of all scored CVEs
Exploit maturity
Proof of concept
ATLAS score
40/100
Publication score, see How it works
Exploitation Verdict
KEV listed
Not listed
Federal due date
None
No federal due date
Ransomware use
Not reported
Attributed actors
None named
Exploit & Defence Guidance
Exploit maturity
Proof of concept
Public exploit code
1
Proof-of-concept links
In-the-wild evidence
0
Reports of active use
Advisories And Exploit References
- advisoryhttps://security-tracker.debian.org/tracker/CVE-2007-1306
- advisory24578
- advisory25582
- advisoryADV-2007-0830
Description
Asterisk 1.4 before 1.4.1 and 1.2 before 1.2.16 allows remote attackers to cause a denial of service (crash) by sending a Session Initiation Protocol (SIP) packet without a URI and SIP-version header, which results in a NULL pointer dereference.
Affected Products
24 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| AsteriskDigium | 1.2.0_beta1, 1.2.0_beta2, 1.2.10, 1.2.11, 1.2.12, 1.2.12.1, 1.2.13, 1.2.14 | 1:1.2.16~dfsg-1 |
Patched Releases
Asterisk
1:1.0.7.dfsg.1-2sarge5, 1:1.2.13~dfsg-2etch1, 1:1.2.16~dfsg-1
Timeline
Publicly disclosed
Mar 7, 2007
Last updated
Aug 4, 2026
References
- advisorysecurity-tracker.debian.org · CVE-2007-1306
- advisory24578
- advisory25582
- advisoryADV-2007-0830
- exploitExploitDB-3407
FAQ
Common Questions.
Asterisk 1.4 before 1.4.1 and 1.2 before 1.2.16 allows remote attackers to cause a denial of service (crash) by sending a Session Initiation Protocol (SIP) packet without a URI and SIP-version header, which results in a NULL pointer dereference.
Affected: Asterisk (Digium) versions 1.2.0_beta1, 1.2.0_beta2, 1.2.10, 1.2.11, 1.2.12, 1.2.12.1, 1.2.13, 1.2.14. The full list is in the CVE brief.
It is not listed in any known-exploited vulnerabilities catalog.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
Public exploit code is available.
Fixed versions are available, including Asterisk 1:1.0.7.dfsg.1-2sarge5, Asterisk 1:1.2.13~dfsg-2etch1, Asterisk 1:1.2.16~dfsg-1.
Brandefense priority: patch immediately, because public exploit code exists for a high-severity flaw.
Is CVE-2007-1306 On Your Attack Surface?
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