CVE-2006-0738

Severity: medium (CVSS 5.0 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 3.1% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2006-02-17 · updated 2026-06-16

Description

Multiple format string vulnerabilities in eStara SIP softphone allow remote attackers to cause a denial of service (hang) via SIP INVITE requests with format string specifiers in the SDP session description, as demonstrated using (1) the field name, (2) the o field (owner/creator and session identifier), or (3) the m field (media name and transport address).

Affected products

Estara Softphone: through 3.0.1.47

References

http://secunia.com/advisories/18872
http://www.securityfocus.com/archive/1/424943/100/0/threaded
http://www.securityfocus.com/bid/16629
http://www.vupen.com/english/advisories/2006/0607
https://exchange.xforce.ibmcloud.com/vulnerabilities/24678
http://secunia.com/advisories/18872
http://www.securityfocus.com/archive/1/424943/100/0/threaded
http://www.securityfocus.com/bid/16629
http://www.vupen.com/english/advisories/2006/0607
https://exchange.xforce.ibmcloud.com/vulnerabilities/24678

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