Critical severity · published Jan 23, 2017
CVE-2016-5873
Buffer overflow in the HTTP URL parsing functions in pecl_http before 3.0.1 might allow remote attackers to execute arbitrary code via non-printable characters in a URL
9.8
CVSS
4.7%
EPSS
No
On KEV
Description
Buffer overflow in the HTTP URL parsing functions in pecl_http before 3.0.1 might allow remote attackers to execute arbitrary code via non-printable characters in a URL.
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)4.7% · higher than 92% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
PH
Pecl Http · Php
through 3.0.1 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2016-5873
CVE.org
https://www.cve.org/CVERecord?id=CVE-2016-5873
Mailing List
http://www.openwall.com/lists/oss-security/2016/06/29/1
Mailing List
http://www.openwall.com/lists/oss-security/2016/06/29/4
www.securityfocus.com
http://www.securityfocus.com/bid/95863
Exploit
https://bugs.php.net/bug.php?id=71719
Patch
https://github.com/m6w6/ext-http/commit/3724cd76a28be1d6049b5537232e97ac
Release Notes
https://pecl.php.net/package/pecl_http/3.0.1