CVE-2008-2119

Severity: medium (CVSS 4.3 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 7.3% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2008-06-04 · updated 2026-06-16
Weakness: CWE-20

Description

Asterisk Open Source 1.0.x and 1.2.x before 1.2.29 and Business Edition A.x.x and B.x.x before B.2.5.3, when pedantic parsing (aka pedanticsipchecking) is enabled, allows remote attackers to cause a denial of service (daemon crash) via a SIP INVITE message that lacks a From header, related to invocations of the ast_uri_decode function, and improper handling of (1) an empty const string and (2) a NULL pointer.

Affected products

Asterisk Business Edition: through b2.5.2; b.1.3.2, b.1.3.3, b.2.2.0, b.2.2.1, b.2.3.1, b.2.3.2 (+4)
asterisk Open Source: through 1.2.28; 1.0, 1.0.0, 1.0.1, 1.0.2, 1.0.3, 1.0.4 (+35)

References

http://bugs.digium.com/view.php?id=12607
http://downloads.digium.com/pub/security/AST-2008-008.html
http://secunia.com/advisories/30517
http://secunia.com/advisories/34982
http://security.gentoo.org/glsa/glsa-200905-01.xml
http://svn.digium.com/view/asterisk?view=rev&revision=120109
http://www.securityfocus.com/archive/1/493020/100/0/threaded
http://www.securitytracker.com/id?1020166
http://www.vupen.com/english/advisories/2008/1731
https://exchange.xforce.ibmcloud.com/vulnerabilities/42823
https://www.exploit-db.com/exploits/5749
http://bugs.digium.com/view.php?id=12607

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