CVE-2017-16872: Buffer Overflow
First published: Fri Nov 17 2017(Updated: )
An issue was discovered in Teluu pjproject (pjlib and pjlib-util) in PJSIP before 2.7.1. Parsing the numeric header fields in a SIP message (like cseq, ttl, port, etc.) all had the potential to overflow, either causing unintended values to be captured or, if the values were subsequently converted back to strings, a buffer overrun. This will lead to a potential exploit using carefully crafted invalid values.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| debian/pjproject | ||
| Teluu PJSIP | <2.7.1 | |
| Debian Debian Linux | =9.0 |
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Reference Links
Frequently Asked Questions
What is CVE-2017-16872?
CVE-2017-16872 is an issue discovered in Teluu pjproject (pjlib and pjlib-util) in PJSIP before version 2.7.1, which can cause overflow in numeric header fields in a SIP message, leading to unintended values.
What is the severity of CVE-2017-16872?
CVE-2017-16872 has a severity rating of 9.8 (Critical).
How does CVE-2017-16872 affect Teluu pjproject?
CVE-2017-16872 affects Teluu pjproject (pjlib and pjlib-util) versions prior to 2.7.1.
How does CVE-2017-16872 affect Debian Debian Linux?
CVE-2017-16872 affects Debian Debian Linux version 9.0.
Is there a fix available for CVE-2017-16872?
Yes, upgrading to Teluu pjproject 2.7.1 or later resolves the vulnerability.
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