PT-2015-7546 · Signalwire+1 · Freeswitch+1

Published 2015-10-05 · Updated 2018-10-09 · CVE-2015-7392

Positive Technologies (AI Summary)

CVSS v2.0

7.5

High

Base vector

AV:N/AC:L/Au:N/C:P/I:P/A:P

Name of the Vulnerable Software and Affected Versions FreeSWITCH versions prior to 1.4.23 FreeSWITCH versions 1.6.x prior to 1.6.2

Description The issue is related to a heap-based buffer overflow in the parse string function, located in libs/esl/src/esl json.c. This allows remote attackers to execute arbitrary code by sending a specially crafted JSON string containing a trailing u to the cJSON Parse function.

Recommendations For FreeSWITCH versions prior to 1.4.23, update to version 1.4.23 or later. For FreeSWITCH versions 1.6.x prior to 1.6.2, update to version 1.6.2 or later.

Exploit

Fix

RCE

Buffer Overflow

Weakness Enumeration

CWE-119

Related Identifiers

ALT-PU-2015-1882

CVE-2015-7392

Affected Products

Alt Linux

Freeswitch

References · 7

• 🔥 http://packetstormsecurity.com/files/133781/freeswitch-Heap-Overflow.html · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2015-7392 · Security Note
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-7392 · Security Note
• https://errata.altlinux.org/ALT-PU-2015-1882 · Vendor Advisory
• http://securityfocus.com/archive/1/536569/100/0/threaded · Note
• https://packages.altlinux.org/ru/vuln/CVE-2015-7392 · Note
• https://freeswitch.org/stash/projects/FS/repos/freeswitch/commits/cf8925 · Note