chan_sip.c in the SIP channel driver in Asterisk Open Source 1.8.x before 1.8.11.1 and 10.x before 10.3.1 and Asterisk Business Edition C.3.x before C.3.7.4, when the trustrpid option is enabled, allows remote authenticated users to cause a denial of service (daemon crash) by sending a SIP UPDATE message that triggers a connected-line update attempt without an associated channel
Published Apr 30, 2012
6.5
MEDIUMCVSS 2.0
EPSS 2.17%
Description
chan_sip.c in the SIP channel driver in Asterisk Open Source 1.8.x before 1.8.11.1 and 10.x before 10.3.1 and Asterisk Business Edition C.3.x before C.3.7.4, when the trustrpid option is enabled, allows remote authenticated users to cause a denial of service (daemon crash) by sending a SIP UPDATE message that triggers a connected-line update attempt without an associated channel.
Affected products
No data.
Configuration 1
- 1.6.2.0
- 1.6.2.0
- 1.6.2.0
- 1.6.2.0
- 1.6.2.0
- 1.6.2.0
- 1.6.2.0
- 1.6.2.0
- 1.6.2.1
- 1.6.2.1
- 1.6.2.2
- 1.6.2.3
- 1.6.2.4
- 1.6.2.5
- 1.6.2.6
- 1.6.2.6
- 1.6.2.6
- 1.6.2.7
- 1.6.2.7
- 1.6.2.7
- 1.6.2.7
- 1.6.2.8
- 1.6.2.8
- 1.6.2.9
- 1.6.2.9
- 1.6.2.9
- 1.6.2.9
- 1.6.2.10
- 1.6.2.10
- 1.6.2.10
- 1.6.2.11
- 1.6.2.11
- 1.6.2.11
- 1.6.2.12
- 1.6.2.12
- 1.6.2.13
- 1.6.2.14
- 1.6.2.14
- 1.6.2.15
- 1.6.2.15
- 1.6.2.15.1
- 1.6.2.16
- 1.6.2.16
- 1.6.2.16.1
- 1.6.2.16.2
- 1.6.2.17
- 1.6.2.17
- 1.6.2.17
- 1.6.2.17
- 1.6.2.17.1
- 1.6.2.17.2
- 1.6.2.17.3
- 1.6.2.18
- 1.6.2.18
- 1.6.2.18.1
- 1.6.2.18.2
- 1.6.2.19
- 1.6.2.19
- 1.6.2.20
- 1.6.2.21
- 1.6.2.22
- 1.6.2.23
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
- 1.8.1
- 1.8.1
- 1.8.1.1
- 1.8.1.2
- 1.8.2
- 1.8.2
- 1.8.2.1
- 1.8.2.2
- 1.8.2.3
- 1.8.2.4
- 1.8.3
- 1.8.3
- 1.8.3
- 1.8.3
- 1.8.3.1
- 1.8.3.2
- 1.8.3.3
- 1.8.4
- 1.8.4
- 1.8.4
- 1.8.4
- 1.8.4.1
- 1.8.4.2
- 1.8.4.3
- 1.8.4.4
- 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
- 1.8.7.1
- 1.8.7.2
- 1.8.8.0
- 1.8.8.0
- 1.8.8.0
- 1.8.8.0
- 1.8.8.0
- 1.8.8.0
- 1.8.8.1
- 1.8.8.2
- 1.8.9.0
- 1.8.9.0
- 1.8.9.0
- 1.8.9.0
- 1.8.9.1
- 1.8.9.2
- 1.8.9.3
- 1.8.10.0
- 1.8.10.0
- 1.8.10.0
- 1.8.10.0
- 1.8.10.0
- 1.8.10.1
- 1.8.11.0
- 1.8.11.0
Configuration 3
- 10.0.0
- 10.0.0
- 10.0.0
- 10.0.0
- 10.0.0
- 10.0.0
- 10.0.1
- 10.1.0
- 10.1.0
- 10.1.0
- 10.1.1
- 10.1.2
- 10.1.3
- 10.2.0
- 10.2.0
- 10.2.0
- 10.2.0
- 10.2.0
- 10.2.1
- 10.3.0
- 10.3.0
- 10.3.0
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:P/I:P/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 (8 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 2.17% (0.02165) | 81.58th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.19% (0.02190) | 80.02th | v5 (v2026.06.15) |
| Mar 17, 2025 | 5.05% (0.05048) | 89.02th | v4 (v2025.03.14) |
| Dec 12, 2024 | 5.79% (0.05788) | 93.65th | v3 (v2023.03.01) |
| Mar 7, 2023 | 5.79% (0.05788) | 92.18th | v3 (v2023.03.01) |
| Mar 6, 2023 | 2.59% (0.02589) | 82.08th | v2 (v2022.01.01) |
| Apr 1, 2022 | 2.59% (0.02589) | 80.29th | v2 (v2022.01.01) |
| Feb 4, 2022 | 2.59% (0.02589) | 61.78th | v2 (v2022.01.01) |
References (8)
- http://downloads.asterisk.org/pub/security/AST-2012-006.html x_refsource_CONFIRMPatchVendor Advisory
- http://lists.fedoraproject.org/pipermail/package-announce/2012-May/079759.html vendor-advisoryx_refsource_FEDORA
- http://osvdb.org/81456 vdb-entryx_refsource_OSVDB
- http://secunia.com/advisories/48891 third-party-advisoryx_refsource_SECUNIA
- http://www.securityfocus.com/bid/53205 vdb-entryx_refsource_BID
- http://www.securitytracker.com/id?1026963 vdb-entryx_refsource_SECTRACK
- https://exchange.xforce.ibmcloud.com/vulnerabilities/75101 vdb-entryx_refsource_XF
- https://issues.asterisk.org/jira/browse/ASTERISK-19770 x_refsource_MISC
| Link | Providers | Tags |
|---|---|---|
| http://downloads.asterisk.org/pub/security/AST-2012-006.html | x_refsource_CONFIRMPatchVendor Advisory | |
| http://lists.fedoraproject.org/pipermail/package-announce/2012-May/079759.html | vendor-advisoryx_refsource_FEDORA | |
| http://osvdb.org/81456 | vdb-entryx_refsource_OSVDB | |
| http://secunia.com/advisories/48891 | third-party-advisoryx_refsource_SECUNIA | |
| http://www.securityfocus.com/bid/53205 | vdb-entryx_refsource_BID | |
| http://www.securitytracker.com/id?1026963 | vdb-entryx_refsource_SECTRACK | |
| https://exchange.xforce.ibmcloud.com/vulnerabilities/75101 | vdb-entryx_refsource_XF | |
| https://issues.asterisk.org/jira/browse/ASTERISK-19770 | x_refsource_MISC |
Change history (0)
No recorded changes yet.