HIGH
The IAX2 channel driver (chan_iax2) in Asterisk before 20070504 does not properly null terminate data, which allows remote attackers to trigger loss of transmitted data, and possibly obtain sensitive information (memory contents) or cause a denial of service (application crash), by sending a frame that lacks a 0 byte
Published May 7, 2007
10.0
HIGHCVSS 2.0
EPSS 4.32%
Description
The IAX2 channel driver (chan_iax2) in Asterisk before 20070504 does not properly null terminate data, which allows remote attackers to trigger loss of transmitted data, and possibly obtain sensitive information (memory contents) or cause a denial of service (application crash), by sending a frame that lacks a 0 byte.
Affected products
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
10.0 HIGH NVD
AV:N/AC:L/Au:N/C:C/I:C/A:C
Access Vector Network
Access Complexity Low
Authentication None
Confidentiality Impact Complete
Integrity Impact Complete
Availability Impact Complete
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
4.32% 0.04323
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.04323
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (18 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 4.32% (0.04323) | 90.87th | v5 (v2026.06.15) |
| Jun 15, 2026 | 4.32% (0.04323) | 89.88th | v5 (v2026.06.15) |
| Mar 30, 2025 | 2.70% (0.02703) | 84.59th | v4 (v2025.03.14) |
| Mar 29, 2025 | 8.50% (0.08503) | 87.07th | v4 (v2025.03.14) |
| Mar 19, 2025 | 2.70% (0.02703) | 84.27th | v4 (v2025.03.14) |
| Mar 17, 2025 | 3.94% (0.03936) | 87.56th | v4 (v2025.03.14) |
| Dec 12, 2024 | 7.79% (0.07793) | 94.49th | v3 (v2023.03.01) |
| Jul 2, 2024 | 7.79% (0.07793) | 94.26th | v3 (v2023.03.01) |
| Apr 17, 2024 | 6.34% (0.06343) | 93.54th | v3 (v2023.03.01) |
| Mar 10, 2024 | 6.58% (0.06583) | 93.60th | v3 (v2023.03.01) |
| Feb 1, 2024 | 6.94% (0.06938) | 93.30th | v3 (v2023.03.01) |
| Dec 25, 2023 | 7.41% (0.07413) | 93.43th | v3 (v2023.03.01) |
| Oct 9, 2023 | 7.17% (0.07170) | 93.22th | v3 (v2023.03.01) |
| May 13, 2023 | 6.43% (0.06426) | 92.59th | v3 (v2023.03.01) |
| Mar 7, 2023 | 5.97% (0.05972) | 92.29th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.97% (0.01974) | 78.97th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.97% (0.01974) | 77.12th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.97% (0.01974) | 56.20th | v2 (v2022.01.01) |
Weaknesses (0)
No CWE recorded.
References (9)
- http://ftp.digium.com/pub/asa/ASA-2007-013.pdf x_refsource_CONFIRM
- http://osvdb.org/35769 vdb-entryx_refsource_OSVDB
- http://secunia.com/advisories/25134 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/25582 third-party-advisoryx_refsource_SECUNIA
- http://www.debian.org/security/2007/dsa-1358 vendor-advisoryx_refsource_DEBIAN
- http://www.novell.com/linux/security/advisories/2007_34_asterisk.html vendor-advisoryx_refsource_SUSE
- http://www.securityfocus.com/bid/23824 vdb-entryx_refsource_BID
- http://www.vupen.com/english/advisories/2007/1661 vdb-entryx_refsource_VUPEN
- https://exchange.xforce.ibmcloud.com/vulnerabilities/34085 vdb-entryx_refsource_XF
| Link | Providers | Tags |
|---|---|---|
| http://ftp.digium.com/pub/asa/ASA-2007-013.pdf | x_refsource_CONFIRM | |
| http://osvdb.org/35769 | vdb-entryx_refsource_OSVDB | |
| http://secunia.com/advisories/25134 | third-party-advisoryx_refsource_SECUNIA | |
| http://secunia.com/advisories/25582 | third-party-advisoryx_refsource_SECUNIA | |
| http://www.debian.org/security/2007/dsa-1358 | vendor-advisoryx_refsource_DEBIAN | |
| http://www.novell.com/linux/security/advisories/2007_34_asterisk.html | vendor-advisoryx_refsource_SUSE | |
| http://www.securityfocus.com/bid/23824 | vdb-entryx_refsource_BID | |
| http://www.vupen.com/english/advisories/2007/1661 | vdb-entryx_refsource_VUPEN | |
| https://exchange.xforce.ibmcloud.com/vulnerabilities/34085 | vdb-entryx_refsource_XF |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner mitre
Published May 7, 2007
Updated Aug 7, 2024
Reserved May 3, 2007
Link CVE-2007-2488
CISA Vulnrichment
Updated n/a