The handle_response function in chan_sip.c in Asterisk before 1.2.17 and 1.4.x before 1.4.2 allows remote attackers to cause a denial of service (crash) via a SIP Response code 0 in a SIP packet
Published Mar 22, 2007
7.8
HIGHCVSS 2.0
EPSS 2.62%
Description
The handle_response function in chan_sip.c in Asterisk before 1.2.17 and 1.4.x before 1.4.2 allows remote attackers to cause a denial of service (crash) via a SIP Response code 0 in a SIP packet.
Affected products
No data.
- 0.1.7
- 0.1.8
- 0.1.9
- 0.1.9_1
- 0.1.11
- 0.2
- 0.3
- 0.4
- 0.7.0
- 0.7.1
- 0.7.2
- 0.9.0
- 1.0
- 1.0.6
- 1.0.7
- 1.0.8
- 1.0.9
- 1.0.10
- 1.0.11
- 1.0.12
- 1.2.0_beta1
- 1.2.0_beta2
- 1.2.5
- 1.2.6
- 1.2.7
- 1.2.8
- 1.2.9
- 1.2.10
- 1.2.11
- 1.2.12
- 1.2.13
- 1.2.14
- 1.2.15
- 1.2.16
- 1.2.17
- 1.4.1
- 1.4_beta
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:C
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 2, 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 (16 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 2, 2026 | 2.62% (0.02617) | 84.91th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.62% (0.02617) | 83.39th | v5 (v2026.06.15) |
| Apr 15, 2026 | 7.38% (0.07375) | 91.74th | v4 (v2025.03.14) |
| Mar 17, 2025 | 4.21% (0.04207) | 87.98th | v4 (v2025.03.14) |
| Dec 17, 2024 | 95.01% (0.95014) | 99.48th | v3 (v2023.03.01) |
| May 17, 2024 | 93.42% (0.93416) | 99.07th | v3 (v2023.03.01) |
| Mar 2, 2024 | 92.73% (0.92734) | 98.95th | v3 (v2023.03.01) |
| Jan 24, 2024 | 94.11% (0.94113) | 99.00th | v3 (v2023.03.01) |
| Dec 17, 2023 | 94.35% (0.94351) | 99.01th | v3 (v2023.03.01) |
| Nov 9, 2023 | 94.47% (0.94469) | 99.02th | v3 (v2023.03.01) |
| Aug 24, 2023 | 94.51% (0.94510) | 98.90th | v3 (v2023.03.01) |
| Mar 28, 2023 | 94.52% (0.94516) | 98.72th | v3 (v2023.03.01) |
| Mar 7, 2023 | 94.35% (0.94351) | 98.66th | v3 (v2023.03.01) |
| Mar 6, 2023 | 3.78% (0.03779) | 85.48th | v2 (v2022.01.01) |
| Apr 1, 2022 | 3.78% (0.03779) | 84.01th | v2 (v2022.01.01) |
| Feb 4, 2022 | 3.78% (0.03779) | 67.21th | v2 (v2022.01.01) |
No CWE recorded.
References (14)
- http://bugs.digium.com/view.php?id=9313 x_refsource_MISCVendor Advisory
- http://secunia.com/advisories/24579 third-party-advisoryx_refsource_SECUNIAPatchVendor Advisory
- http://secunia.com/advisories/24719 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/25582 third-party-advisoryx_refsource_SECUNIA
- http://security.gentoo.org/glsa/glsa-200704-01.xml vendor-advisoryx_refsource_GENTOO
- http://svn.digium.com/view/asterisk/trunk/channels/chan_sip.c?r1=58907&r2=59038 x_refsource_MISC
- http://voipsa.org/pipermail/voipsec_voipsa.org/2007-March/002275.html mailing-listx_refsource_MLISTVendor Advisory
- http://www.asterisk.org/node/48338 x_refsource_CONFIRM
- http://www.novell.com/linux/security/advisories/2007_34_asterisk.html vendor-advisoryx_refsource_SUSE
- http://www.securityfocus.com/archive/1/463434/100/0/threaded mailing-listx_refsource_BUGTRAQ
- http://www.securityfocus.com/bid/23093 vdb-entryx_refsource_BID
- http://www.securitytracker.com/id?1017809 vdb-entryx_refsource_SECTRACK
- http://www.sineapps.com/news.php?rssid=1707 x_refsource_CONFIRMVendor Advisory
- http://www.vupen.com/english/advisories/2007/1077 vdb-entryx_refsource_VUPEN
Change history (0)
No recorded changes yet.