The SIP channel driver (chan_sip) in Asterisk Open Source 1.4.x before 1.4.11, AsteriskNOW before beta7, Asterisk Appliance Developer Kit 0.x before 0.8.0, and s800i (Asterisk Appliance) 1.x before 1.0.3 allows remote attackers to cause a denial of service (memory exhaustion) via a SIP dialog that causes a large number of history entries to be created
Published Aug 22, 2007
5.0
MEDIUMCVSS 2.0
EPSS 1.77%
Description
The SIP channel driver (chan_sip) in Asterisk Open Source 1.4.x before 1.4.11, AsteriskNOW before beta7, Asterisk Appliance Developer Kit 0.x before 0.8.0, and s800i (Asterisk Appliance) 1.x before 1.0.3 allows remote attackers to cause a denial of service (memory exhaustion) via a SIP dialog that causes a large number of history entries to be created.
Affected products
No data.
- ≤ 1.4.9
- ≤ 0.7
- ≤ beta_6
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
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.
AV:N/AC:L/Au:N/C:N/I:N/A:P
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
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 (15 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 1.77% (0.01775) | 77.39th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.77% (0.01775) | 75.24th | v5 (v2026.06.15) |
| Mar 17, 2025 | 5.10% (0.05096) | 89.08th | v4 (v2025.03.14) |
| Dec 12, 2024 | 11.57% (0.11573) | 95.50th | v3 (v2023.03.01) |
| Oct 17, 2024 | 11.57% (0.11573) | 95.39th | v3 (v2023.03.01) |
| Jun 25, 2024 | 8.54% (0.08542) | 94.48th | v3 (v2023.03.01) |
| May 18, 2024 | 7.26% (0.07255) | 94.02th | v3 (v2023.03.01) |
| Apr 10, 2024 | 7.75% (0.07749) | 94.09th | v3 (v2023.03.01) |
| Jan 23, 2024 | 7.50% (0.07496) | 93.48th | v3 (v2023.03.01) |
| Aug 27, 2023 | 7.03% (0.07029) | 93.10th | v3 (v2023.03.01) |
| Mar 7, 2023 | 6.54% (0.06536) | 92.59th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.41% (0.01408) | 72.89th | v2 (v2022.01.01) |
| Mar 2, 2023 | 1.41% (0.01408) | 72.88th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.41% (0.01408) | 70.87th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.41% (0.01408) | 49.94th | v2 (v2022.01.01) |
No CWE recorded.
References (8)
- http://downloads.digium.com/pub/asa/AST-2007-020.html x_refsource_CONFIRM
- http://seclists.org/fulldisclosure/2007/Aug/0393.html mailing-listx_refsource_FULLDISC
- http://secunia.com/advisories/26553 third-party-advisoryx_refsource_SECUNIA
- http://securityreason.com/securityalert/3047 third-party-advisoryx_refsource_SREASON
- http://www.securityfocus.com/bid/25392 vdb-entryx_refsource_BID
- http://www.securitytracker.com/id?1018595 vdb-entryx_refsource_SECTRACK
- http://www.vupen.com/english/advisories/2007/2953 vdb-entryx_refsource_VUPEN
- https://exchange.xforce.ibmcloud.com/vulnerabilities/36145 vdb-entryx_refsource_XF
| Link | Providers | Tags |
|---|---|---|
| http://downloads.digium.com/pub/asa/AST-2007-020.html | x_refsource_CONFIRM | |
| http://seclists.org/fulldisclosure/2007/Aug/0393.html | mailing-listx_refsource_FULLDISC | |
| http://secunia.com/advisories/26553 | third-party-advisoryx_refsource_SECUNIA | |
| http://securityreason.com/securityalert/3047 | third-party-advisoryx_refsource_SREASON | |
| http://www.securityfocus.com/bid/25392 | vdb-entryx_refsource_BID | |
| http://www.securitytracker.com/id?1018595 | vdb-entryx_refsource_SECTRACK | |
| http://www.vupen.com/english/advisories/2007/2953 | vdb-entryx_refsource_VUPEN | |
| https://exchange.xforce.ibmcloud.com/vulnerabilities/36145 | vdb-entryx_refsource_XF |
Change history (0)
No recorded changes yet.