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TI-2007-04315 Aliases CVE-2007-4455GHSA-c3jc-cr5w-8999

The SIP channel driver (chan_sip) in Asterisk Open Source 1.4.x before 1.4.11…

Priority LOW 26Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
— Not recorded in CVSS 2.0
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
None · None · Partial
Fix status
No fix listed

Attack profile from CVSS 2.0 · NVD. Fix status from CNA.

Summary

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.

Why it matters now

EPSS 0.01775 78th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 3

CPEVersionsRoleVendor
cpe:2.3:a:asterisk:asterisk:*:*:*:*:*:*:*:*up to 1.4.9Vulnerableasterisk
cpe:2.3:a:asterisk:asterisk_appliance_developer_kit:*:*:*:*:*:*:*:*up to 0.7Vulnerableasterisk
cpe:2.3:a:asterisk:asterisknow:*:*:*:*:*:*:*:*up to beta_6Vulnerableasterisk
  • cpe:2.3:a:asterisk:asterisk:*:*:*:*:*:*:*:* Versions up to 1.4.9 Vulnerable ·asterisk
  • cpe:2.3:a:asterisk:asterisk_appliance_developer_kit:*:*:*:*:*:*:*:* Versions up to 0.7 Vulnerable ·asterisk
  • cpe:2.3:a:asterisk:asterisknow:*:*:*:*:*:*:*:* Versions up to beta_6 Vulnerable ·asterisk

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2007-4455
  2. 2026-10-03 Alias added: GHSA-c3jc-cr5w-8999

References

  • TI-2024-28351 Asterisk allows `Write=originate` as sufficient permissions for code execution / `System()` dialplan CVSS 3.1HIGH 8.8
  • TI-2008-03125 The IAX2 protocol implementation in Asterisk Open Source 1.0.x, 1.2.x before 1.2.30, and… CVSS 2.0HIGH 7.8
  • TI-2007-02211 Multiple stack-based buffer overflows in the process_sdp function in chan_sip.c of the… CVSS 2.0HIGH 7.6
  • TI-2007-02404 The IAX2 channel driver (chan_iax2) in Asterisk before 20070504 does not properly null… CVSS 2.0HIGH 10.0
  • TI-2007-01503 The channel driver in Asterisk before 1.2.17 and 1.4.x before 1.4.2 allows remote… CVSS 2.0HIGH 7.8
  • TI-2007-03651 Stack-based buffer overflow in the IAX2 channel driver (chan_iax2) in Asterisk before… CVSS 2.0HIGH 9.3
See all 19 →

Sources