chan_skinny.c in the Skinny (aka SCCP) channel driver in Certified Asterisk 1.8.11-cert before 1.8.11-cert2 and Asterisk Open Source 1.8.x before 1.8.12.1 and 10.x before 10.4.1 allows remote authenticated users to cause a denial of service (NULL pointer dereference and daemon crash) by closing a connection in off-hook mode
Published Jun 2, 2012
4.0
MEDIUMCVSS 2.0
EPSS 2.14%
Description
chan_skinny.c in the Skinny (aka SCCP) channel driver in Certified Asterisk 1.8.11-cert before 1.8.11-cert2 and Asterisk Open Source 1.8.x before 1.8.12.1 and 10.x before 10.4.1 allows remote authenticated users to cause a denial of service (NULL pointer dereference and daemon crash) by closing a connection in off-hook mode.
Affected products
No data.
Configuration 1
- 1.8.11
- 1.8.11
Configuration 2
- 1.8.0
- 1.8.0
- 1.8.0
- 1.8.0
- 1.8.0
- 1.8.0
- 1.8.0
- 1.8.0
- 1.8.0
- 1.8.0
- 1.8.0
- 1.8.1
- 1.8.1
- 1.8.2
- 1.8.2
- 1.8.3
- 1.8.5
- 1.8.5.0
- 1.8.6.0
- 1.8.6.0
- 1.8.6.0
- 1.8.6.0
- 1.8.7.0
- 1.8.7.0
- 1.8.7.0
- 1.8.8.0
- 1.8.8.0
- 1.8.8.0
- 1.8.8.0
- 1.8.8.0
- 1.8.8.0
- 1.8.9.0
- 1.8.9.0
- 1.8.9.0
- 1.8.9.0
- 1.8.10.0
- 1.8.10.0
- 1.8.10.0
- 1.8.10.0
- 1.8.10.0
- 1.8.11.0
- 1.8.11.0
- 1.8.11.0
- 1.8.12
- 1.8.12.0
- 1.8.12.0
- 1.8.12.0
- ≤ 1.8.12.0
Configuration 3
- 10.0.0
- 10.0.0
- 10.0.0
- 10.0.0
- 10.0.0
- 10.0.0
- 10.1.0
- 10.1.0
- 10.1.0
- 10.2.0
- 10.2.0
- 10.2.0
- 10.2.0
- 10.2.0
- 10.3
- 10.3.0
- 10.3.0
- 10.3.0
- 10.4.0
- 10.4.0
- 10.4.0
- ≤ 10.4.0
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:S/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 (10 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 2.14% (0.02143) | 81.40th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.14% (0.02143) | 79.62th | v5 (v2026.06.15) |
| Mar 30, 2025 | 3.93% (0.03932) | 87.25th | v4 (v2025.03.14) |
| Mar 29, 2025 | 5.06% (0.05060) | 82.59th | v4 (v2025.03.14) |
| Mar 17, 2025 | 3.93% (0.03932) | 87.56th | v4 (v2025.03.14) |
| Dec 12, 2024 | 96.11% (0.96112) | 99.57th | v3 (v2023.03.01) |
| Mar 7, 2023 | 96.04% (0.96044) | 99.09th | v3 (v2023.03.01) |
| Mar 6, 2023 | 2.43% (0.02428) | 81.57th | v2 (v2022.01.01) |
| Apr 1, 2022 | 2.43% (0.02428) | 79.82th | v2 (v2022.01.01) |
| Feb 4, 2022 | 2.43% (0.02428) | 58.43th | v2 (v2022.01.01) |
References (7)
- http://archives.neohapsis.com/archives/bugtraq/2012-05/0145.html mailing-listx_refsource_BUGTRAQ
- http://downloads.asterisk.org/pub/security/AST-2012-008.html x_refsource_CONFIRM
- http://secunia.com/advisories/49303 third-party-advisoryx_refsource_SECUNIA
- http://www.debian.org/security/2012/dsa-2493 vendor-advisoryx_refsource_DEBIAN
- http://www.securityfocus.com/bid/53723 vdb-entryx_refsource_BID
- http://www.securitytracker.com/id?1027103 vdb-entryx_refsource_SECTRACK
- https://exchange.xforce.ibmcloud.com/vulnerabilities/75937 vdb-entryx_refsource_XF
| Link | Providers | Tags |
|---|---|---|
| http://archives.neohapsis.com/archives/bugtraq/2012-05/0145.html | mailing-listx_refsource_BUGTRAQ | |
| http://downloads.asterisk.org/pub/security/AST-2012-008.html | x_refsource_CONFIRM | |
| http://secunia.com/advisories/49303 | third-party-advisoryx_refsource_SECUNIA | |
| http://www.debian.org/security/2012/dsa-2493 | vendor-advisoryx_refsource_DEBIAN | |
| http://www.securityfocus.com/bid/53723 | vdb-entryx_refsource_BID | |
| http://www.securitytracker.com/id?1027103 | vdb-entryx_refsource_SECTRACK | |
| https://exchange.xforce.ibmcloud.com/vulnerabilities/75937 | vdb-entryx_refsource_XF |
Change history (0)
No recorded changes yet.