The design of the dialplan functionality in Asterisk Open Source 1.2.x, 1.4.x, and 1.6.x; and Asterisk Business Edition B.x.x and C.x.x, when using the ${EXTEN} channel variable and wildcard pattern matches, allows context-dependent attackers to inject strings into the dialplan using metacharacters that are injected when the variable is expanded, as demonstrated using the Dial application to process a crafted SIP INVITE message that adds an unintended outgoing channel leg. NOTE: it could be argued that this is not a vulnerability in Asterisk, but a class of vulnerabilities that can occur in any program that uses this feature without the associated filtering functionality that is already available.
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References
History
No history.
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Status: PUBLISHED
Assigner: mitre
Published:
Updated: 2024-08-07T00:59:38.329Z
Reserved: 2010-02-22T00:00:00
Link: CVE-2010-0685
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Status : Modified
Published: 2010-02-23T20:30:00.780
Modified: 2024-11-21T01:12:44.543
Link: CVE-2010-0685
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