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9.8
CRITICAL CVSS 3.0
CVE-2016-8620
Apache curl Out-of-Bounds Read Vulnerability
Description

The 'globbing' feature in curl before version 7.51.0 has a flaw that leads to integer overflow and out-of-bounds read via user controlled input.

INFO

Published Date :

Aug. 1, 2018, 6:29 a.m.

Last Modified :

Nov. 21, 2024, 2:59 a.m.

Remotely Exploit :

Yes !

Source :

[email protected]
Affected Products

The following products are affected by CVE-2016-8620 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Haxx curl
: Total Affected Vendor : 1 | Products : 1
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 2.0 HIGH [email protected]
CVSS 3.0 MEDIUM [email protected]
CVSS 3.0 CRITICAL [email protected]
Solution
This vulnerability can be remediated by updating curl to the latest version to address the out-of-bounds read.
  • Update curl and related packages to the latest version.
  • For SUSE, use YaST or zypper patch to update.
  • For Debian, upgrade the curl packages.
  • For CentOS/RHEL, run 'yum update curl'.
Public PoC/Exploit Available at Github

CVE-2016-8620 has a 2 public PoC/Exploit available at Github. Go to the Public Exploits tab to see the list.

References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2016-8620.

URL Resource
http://www.oracle.com/technetwork/security-advisory/cpuoct2018-4428296.html Patch
http://www.securityfocus.com/bid/94102 Third Party Advisory VDB Entry
http://www.securitytracker.com/id/1037192 Third Party Advisory VDB Entry
https://access.redhat.com/errata/RHSA-2018:3558 Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2016-8620 Issue Tracking Patch Third Party Advisory
https://curl.haxx.se/docs/adv_20161102F.html Vendor Advisory
https://security.gentoo.org/glsa/201701-47 Third Party Advisory
https://www.tenable.com/security/tns-2016-21 Third Party Advisory
http://www.oracle.com/technetwork/security-advisory/cpuoct2018-4428296.html Patch
http://www.securityfocus.com/bid/94102 Third Party Advisory VDB Entry
http://www.securitytracker.com/id/1037192 Third Party Advisory VDB Entry
https://access.redhat.com/errata/RHSA-2018:3558 Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2016-8620 Issue Tracking Patch Third Party Advisory
https://curl.haxx.se/docs/adv_20161102F.html Vendor Advisory
https://security.gentoo.org/glsa/201701-47 Third Party Advisory
https://www.tenable.com/security/tns-2016-21 Third Party Advisory
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2016-8620 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2016-8620 weaknesses.

CAPEC-8: Buffer Overflow in an API Call Buffer Overflow in an API Call CAPEC-9: Buffer Overflow in Local Command-Line Utilities Buffer Overflow in Local Command-Line Utilities CAPEC-10: Buffer Overflow via Environment Variables Buffer Overflow via Environment Variables CAPEC-14: Client-side Injection-induced Buffer Overflow Client-side Injection-induced Buffer Overflow CAPEC-24: Filter Failure through Buffer Overflow Filter Failure through Buffer Overflow CAPEC-42: MIME Conversion MIME Conversion CAPEC-44: Overflow Binary Resource File Overflow Binary Resource File CAPEC-45: Buffer Overflow via Symbolic Links Buffer Overflow via Symbolic Links CAPEC-46: Overflow Variables and Tags Overflow Variables and Tags CAPEC-47: Buffer Overflow via Parameter Expansion Buffer Overflow via Parameter Expansion CAPEC-67: String Format Overflow in syslog() String Format Overflow in syslog() CAPEC-92: Forced Integer Overflow Forced Integer Overflow CAPEC-100: Overflow Buffers Overflow Buffers CAPEC-540: Overread Buffers Overread Buffers CAPEC-92: Forced Integer Overflow Forced Integer Overflow

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Profile Photo
akaganeite/CVE4PP

None

Python Shell

Updated: 1 week, 3 days ago
0 stars 0 fork 0 watcher
Born at : May 22, 2025, 11:23 a.m. This repo has been linked 247 different CVEs too.
Profile Photo
mrtc0/wazuh-ruby-client

Wazuh API client for Ruby

wazuh

Ruby

Updated: 10 months ago
9 stars 6 fork 6 watcher
Born at : Jan. 23, 2020, 3:49 p.m. This repo has been linked 2 different CVEs too.

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2016-8620 vulnerability anywhere in the article.

Results are limited to the first 20 news articles due to potential performance issues.

The following table lists the changes that have been made to the CVE-2016-8620 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by af854a3a-2127-422b-91ae-364da2661108

    Nov. 21, 2024

    Action Type Old Value New Value
    Added Reference http://www.oracle.com/technetwork/security-advisory/cpuoct2018-4428296.html
    Added Reference http://www.securityfocus.com/bid/94102
    Added Reference http://www.securitytracker.com/id/1037192
    Added Reference https://access.redhat.com/errata/RHSA-2018:3558
    Added Reference https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2016-8620
    Added Reference https://curl.haxx.se/docs/adv_20161102F.html
    Added Reference https://security.gentoo.org/glsa/201701-47
    Added Reference https://www.tenable.com/security/tns-2016-21
  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • CVE Modified by [email protected]

    Nov. 07, 2023

    Action Type Old Value New Value
    Removed CVSS V2 Red Hat, Inc. (AV:N/AC:M/Au:N/C:P/I:P/A:N)
  • CVE Modified by [email protected]

    Mar. 11, 2020

    Action Type Old Value New Value
    Added CVSS V2 Red Hat, Inc. (AV:N/AC:M/Au:N/C:P/I:P/A:N)
  • CVE Modified by [email protected]

    Oct. 09, 2019

    Action Type Old Value New Value
    Added CVSS V3 Red Hat, Inc. AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
    Added CWE Red Hat, Inc. CWE-120
  • Modified Analysis by [email protected]

    Apr. 25, 2019

    Action Type Old Value New Value
    Changed Reference Type http://www.oracle.com/technetwork/security-advisory/cpuoct2018-4428296.html No Types Assigned http://www.oracle.com/technetwork/security-advisory/cpuoct2018-4428296.html Patch
    Changed Reference Type https://access.redhat.com/errata/RHSA-2018:3558 No Types Assigned https://access.redhat.com/errata/RHSA-2018:3558 Third Party Advisory
  • CVE Modified by [email protected]

    Nov. 13, 2018

    Action Type Old Value New Value
    Added Reference https://access.redhat.com/errata/RHSA-2018:3558 [No Types Assigned]
  • CVE Modified by [email protected]

    Oct. 17, 2018

    Action Type Old Value New Value
    Added Reference http://www.oracle.com/technetwork/security-advisory/cpuoct2018-4428296.html [No Types Assigned]
  • Initial Analysis by [email protected]

    Sep. 28, 2018

    Action Type Old Value New Value
    Added CVSS V2 (AV:N/AC:L/Au:N/C:P/I:P/A:P)
    Added CVSS V3 AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    Changed Reference Type http://www.securityfocus.com/bid/94102 No Types Assigned http://www.securityfocus.com/bid/94102 Third Party Advisory, VDB Entry
    Changed Reference Type https://security.gentoo.org/glsa/201701-47 No Types Assigned https://security.gentoo.org/glsa/201701-47 Third Party Advisory
    Changed Reference Type https://curl.haxx.se/docs/adv_20161102F.html No Types Assigned https://curl.haxx.se/docs/adv_20161102F.html Vendor Advisory
    Changed Reference Type https://www.tenable.com/security/tns-2016-21 No Types Assigned https://www.tenable.com/security/tns-2016-21 Third Party Advisory
    Changed Reference Type https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2016-8620 No Types Assigned https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2016-8620 Issue Tracking, Patch, Third Party Advisory
    Changed Reference Type http://www.securitytracker.com/id/1037192 No Types Assigned http://www.securitytracker.com/id/1037192 Third Party Advisory, VDB Entry
    Added CWE CWE-125
    Added CWE CWE-190
    Added CPE Configuration OR *cpe:2.3:a:haxx:curl:*:*:*:*:*:*:*:* versions up to (excluding) 7.51.0
  • CVE Modified by [email protected]

    Aug. 02, 2018

    Action Type Old Value New Value
    Added Reference https://www.tenable.com/security/tns-2016-21 [No Types Assigned]
    Added Reference https://security.gentoo.org/glsa/201701-47 [No Types Assigned]
    Added Reference http://www.securitytracker.com/id/1037192 [No Types Assigned]
    Added Reference http://www.securityfocus.com/bid/94102 [No Types Assigned]
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
Vulnerability Scoring Details
Base CVSS Score: 9.8
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact
Base CVSS Score: 7.5
Access Vector
Access Complexity
Authentication
Confidentiality Impact
Integrity Impact
Availability Impact
Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.74 }} -0.30%

score

0.72010

percentile