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CVE
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CVE-2017-16671

Date: (C)2017-11-10   (M)2018-01-02 


A Buffer Overflow issue was discovered in Asterisk Open Source 13 before 13.18.1, 14 before 14.7.1, and 15 before 15.1.1 and Certified Asterisk 13.13 before 13.13-cert7. No size checking is done when setting the user field for Party B on a CDR. Thus, it is possible for someone to use an arbitrarily large string and write past the end of the user field storage buffer. NOTE: this is different from CVE-2017-7617, which was only about the Party A buffer.

CVSS Score: 6.5Access Vector: NETWORK
Exploit Score: 8.0Access Complexity: LOW
Impact Score: 6.4Authentication: SINGLE_INSTANCE
 Confidentiality: PARTIAL
 Integrity: PARTIAL
 Availability: PARTIAL





Reference:
BID-101760
http://downloads.digium.com/pub/security/AST-2017-010.html
https://issues.asterisk.org/jira/browse/ASTERISK-27337

CPE    54
cpe:/a:digium:asterisk:13.3.2
cpe:/a:digium:asterisk:13.7.1
cpe:/a:digium:asterisk:13.7.2
cpe:/a:digium:asterisk:13.9.0
...
CWE    1
CWE-119
OVAL    1
oval:org.secpod.oval:def:603226

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