#VU33022 Buffer overflow in cURL - CVE-2016-9586
Published: April 23, 2018 / Updated: August 3, 2020
Vulnerability identifier: #VU33022
Vulnerability risk: High
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2016-9586
CWE-ID: CWE-119
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
cURL
cURL
Software vendor:
curl.haxx.se
curl.haxx.se
Description
The vulnerability allows a remote non-authenticated attacker to execute arbitrary code.
curl before version 7.52.0 is vulnerable to a buffer overflow when doing a large floating point output in libcurl's implementation of the printf() functions. If there are any application that accepts a format string from the outside without necessary input filtering, it could allow remote attacks.
Remediation
Install update from vendor's website.
External links
- http://www.oracle.com/technetwork/security-advisory/cpuoct2018-4428296.html
- http://www.securityfocus.com/bid/95019
- http://www.securitytracker.com/id/1037515
- https://access.redhat.com/errata/RHSA-2018:3558
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2016-9586
- https://curl.haxx.se/docs/adv_20161221A.html
- https://github.com/curl/curl/commit/curl-7_51_0-162-g3ab3c16
- https://lists.debian.org/debian-lts-announce/2018/11/msg00005.html
- https://security.gentoo.org/glsa/201701-47