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    CVE-2007-2488

    The IAX2 channel driver (chan_iax2) in Asterisk before 20070504 does not properly null terminate data, which allows remote attackers to trigger loss of transmitted data, and possibly obtain sensitive information (memory contents) or cause a denial of service (application crash), by sending a frame that lacks a 0 byte.

    Published:May 7, 2007
    Last Modified:Apr 23, 2026
    EPS:May 7, 2007
    EPSS Score:0.03192
    CVSS Score:10

    Affected Products

    Vendor
    Asterisk
    Product
    Asterisk

    Exploits

    No exploit reference

    Common Weakness Enumeration

    No CWE recorded yet

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

    CVE-2026-23741 (CVSS 0) — Asterisk is an open source private branch exchange and telephony toolkit. Prior to versions 20.7-cert9, 20.18.…
    CVE-2026-23740 (CVSS 0) — Asterisk is an open source private branch exchange and telephony toolkit. Prior to versions 20.7-cert9, 20.18.…
    CVE-2026-23739 (CVSS 2) — Asterisk is an open source private branch exchange and telephony toolkit. Prior to versions 20.7-cert9, 20.18.…
    CVE-2026-23738 (CVSS 3.5) — Asterisk is an open source private branch exchange and telephony toolkit. Prior to versions 20.7-cert9, 20.18.…
    CVE-2025-69205 (CVSS 6.3) — Micro Registration Utility (µURU) is a telephone self registration utility based on asterisk. In versions up t…
    CVE-2025-1131 (CVSS 7) — A local privilege escalation vulnerability exists in the safe_asterisk script included with the Asterisk toolk…
    CVE-2025-57767 (CVSS 7.5) — Asterisk is an open source private branch exchange and telephony toolkit. Prior to versions 20.15.2, 21.10.2, …
    CVE-2025-54995 (CVSS 6.5) — Asterisk is an open source private branch exchange and telephony toolkit. Prior to versions 18.26.4 and 18.9-c…
    CVE-2025-49832 (CVSS 6.5) — Asterisk is an open source private branch exchange and telephony toolkit. In versions up to and including 18.2…
    CVE-2025-47780 (CVSS 4.8) — Asterisk is an open-source private branch exchange (PBX). Prior to versions 18.26.2, 20.14.1, 21.9.1, and 22.4…

    References

    http://ftp.digium.com/pub/asa/ASA-2007-013.pdf
    http://osvdb.org/35769
    http://secunia.com/advisories/25134
    http://secunia.com/advisories/25582
    http://www.debian.org/security/2007/dsa-1358
    http://www.novell.com/linux/security/advisories/2007_34_asterisk.html
    http://www.securityfocus.com/bid/23824
    http://www.vupen.com/english/advisories/2007/1661
    https://exchange.xforce.ibmcloud.com/vulnerabilities/34085
    http://ftp.digium.com/pub/asa/ASA-2007-013.pdf
    http://osvdb.org/35769
    http://secunia.com/advisories/25134
    http://secunia.com/advisories/25582
    http://www.debian.org/security/2007/dsa-1358
    http://www.novell.com/linux/security/advisories/2007_34_asterisk.html
    http://www.securityfocus.com/bid/23824
    http://www.vupen.com/english/advisories/2007/1661
    https://exchange.xforce.ibmcloud.com/vulnerabilities/34085

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High