Double Free in cURL - CVE-2016-8619
Published: August 1, 2018 / Updated: August 3, 2020
Vulnerability identifier: #VU33018
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2016-8619
CWE-ID: CWE-415
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: curl.haxx.se
Affected software:
cURL
cURL
Detailed vulnerability description
The vulnerability allows a remote non-authenticated attacker to execute arbitrary code.
The function `read_data()` in security.c in curl before version 7.51.0 is vulnerable to memory double free.
How to mitigate CVE-2016-8619
Install update from vendor's website.
Sources
- http://www.oracle.com/technetwork/security-advisory/cpuoct2018-4428296.html
- http://www.securityfocus.com/bid/94100
- http://www.securitytracker.com/id/1037192
- https://access.redhat.com/errata/RHSA-2018:2486
- https://access.redhat.com/errata/RHSA-2018:3558
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2016-8619
- https://curl.haxx.se/CVE-2016-8619.patch
- https://curl.haxx.se/docs/adv_20161102E.html
- https://security.gentoo.org/glsa/201701-47
- https://www.tenable.com/security/tns-2016-21