CVE-2019-7251: Integer Overflow
First published: Thu Mar 28 2019(Updated: )
An Integer Signedness issue (for a return code) in the res_pjsip_sdp_rtp module in Digium Asterisk versions 15.7.1 and earlier and 16.1.1 and earlier allows remote authenticated users to crash Asterisk via a specially crafted SDP protocol violation.
Credit: cve@mitre.org cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Digium Asterisk | >=15.0.0<15.7.2 | |
| Digium Asterisk | >=16.0.0<16.2.1 | |
| >=15.0.0<15.7.2 | ||
| >=16.0.0<16.2.1 |
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Reference Links
Frequently Asked Questions
What is the vulnerability ID for this issue?
The vulnerability ID for this issue is CVE-2019-7251.
What is the affected software?
The affected software is Digium Asterisk versions 15.7.1 and earlier, and 16.1.1 and earlier.
What is the severity of this vulnerability?
The severity of this vulnerability is medium with a CVSS score of 6.5.
How can remote authenticated users exploit this vulnerability?
Remote authenticated users can crash Asterisk by sending a specially crafted SDP protocol violation.
Are there any references to learn more about this vulnerability?
Yes, you can learn more about this vulnerability at the following references: [AST-2019-001](https://downloads.asterisk.org/pub/security/AST-2019-001.html) and [ASTERISK-28260](https://issues.asterisk.org/jira/browse/ASTERISK-28260).
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