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CVE-2007-4924

Status Candidate

Overview

The Open Phone Abstraction Library (opal), as used by (1) Ekiga before 2.0.10 and (2) OpenH323 before 2.2.4, allows remote attackers to cause a denial of service (crash) via an invalid Content-Length header field in Session Initiation Protocol (SIP) packets, which causes a \0 byte to be written to an "attacker-controlled address."

Related Files

OpenH323 Opal SIP Denial Of Service
Posted Jul 24, 2009
Authored by Jose Miguel Esparza | Site s21sec.com

OpenH323 Opal SIP protocol remote denial of service exploit.

tags | exploit, remote, denial of service, protocol
advisories | CVE-2007-4924
SHA-256 | 9268fc7c6cfb00968599dd1e702db4d1d24c7bc8caf240f93b1ef2ef3c3a4af0
Ubuntu Security Notice 562-1
Posted Jan 9, 2008
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 562-1 - Jose Miguel Esparza discovered that certain SIP headers were not correctly validated. A remote attacker could send a specially crafted packet to an application linked against opal (e.g. Ekiga) causing it to crash, leading to a denial of service.

tags | advisory, remote, denial of service
systems | linux, ubuntu
advisories | CVE-2007-4924
SHA-256 | 0bae0510745e2d4cc1e920612d25832120f26ff1cd4e53a774b165a882277ed1
Mandriva Linux Security Advisory 2007.205
Posted Nov 2, 2007
Authored by Mandriva | Site mandriva.com

Mandriva Linux Security Advisory - A flaw in opal, the Open Phone Abstraction Library, was found in how it handles certain Session Initiation Protocol (SIP) packets. An attacker could use this vulnerability to crash an application linked to opal, such as Ekiga.

tags | advisory, protocol
systems | linux, mandriva
advisories | CVE-2007-4924
SHA-256 | 850f35b9bd001ea6547bb8c871600fc04e5221c92b9fff7729720a2c3eabb963
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