8.1
HIGH
CVE-2016-9586
Apache curl Buffer Overflow Vulnerability
Description

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.

INFO

Published Date :

April 23, 2018, 6:29 p.m.

Last Modified :

Nov. 7, 2023, 2:37 a.m.

Source :

[email protected]

Remotely Exploitable :

Yes !

Impact Score :

5.9

Exploitability Score :

2.2
Public PoC/Exploit Available at Github

CVE-2016-9586 has a 3 public PoC/Exploit available at Github. Go to the Public Exploits tab to see the list.

Affected Products

The following products are affected by CVE-2016-9586 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
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-2016-9586.

URL Resource
http://www.oracle.com/technetwork/security-advisory/cpuoct2018-4428296.html
http://www.securityfocus.com/bid/95019 Third Party Advisory VDB Entry
http://www.securitytracker.com/id/1037515 Third Party Advisory VDB Entry
https://access.redhat.com/errata/RHSA-2018:3558
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2016-9586 Issue Tracking Third Party Advisory
https://curl.haxx.se/docs/adv_20161221A.html Vendor Advisory
https://github.com/curl/curl/commit/curl-7_51_0-162-g3ab3c16 Patch Third Party Advisory
https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b%40%3Cissues.bookkeeper.apache.org%3E
https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4%40%3Cissues.bookkeeper.apache.org%3E
https://lists.debian.org/debian-lts-announce/2018/11/msg00005.html
https://security.gentoo.org/glsa/201701-47 Third Party Advisory

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).

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

The following list is the news that have been mention CVE-2016-9586 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2016-9586 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 [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
    Added Reference Red Hat, Inc. https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4%40%3Cissues.bookkeeper.apache.org%3E [No types assigned]
    Added Reference Red Hat, Inc. https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b%40%3Cissues.bookkeeper.apache.org%3E [No types assigned]
    Removed Reference Red Hat, Inc. https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4@%3Cissues.bookkeeper.apache.org%3E
    Removed Reference Red Hat, Inc. https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b@%3Cissues.bookkeeper.apache.org%3E
    Removed CVSS V2 Red Hat, Inc. (AV:N/AC:H/Au:N/C:N/I:N/A:P)
  • CVE Modified by [email protected]

    Jun. 29, 2021

    Action Type Old Value New Value
    Added Reference https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b@%3Cissues.bookkeeper.apache.org%3E [No Types Assigned]
  • CVE Modified by [email protected]

    Jun. 28, 2021

    Action Type Old Value New Value
    Added Reference https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4@%3Cissues.bookkeeper.apache.org%3E [No Types Assigned]
  • CVE Modified by [email protected]

    Mar. 11, 2020

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

    Oct. 09, 2019

    Action Type Old Value New Value
    Added CVSS V3 Red Hat, Inc. AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
    Added CWE Red Hat, Inc. CWE-122
  • 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]

    Nov. 07, 2018

    Action Type Old Value New Value
    Added Reference https://lists.debian.org/debian-lts-announce/2018/11/msg00005.html [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]

    May. 24, 2018

    Action Type Old Value New Value
    Added CVSS V2 (AV:N/AC:M/Au:N/C:P/I:P/A:P)
    Added CVSS V3 AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
    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 http://www.securitytracker.com/id/1037515 No Types Assigned http://www.securitytracker.com/id/1037515 Third Party Advisory, VDB Entry
    Changed Reference Type http://www.securityfocus.com/bid/95019 No Types Assigned http://www.securityfocus.com/bid/95019 Third Party Advisory, VDB Entry
    Changed Reference Type https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2016-9586 No Types Assigned https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2016-9586 Issue Tracking, Third Party Advisory
    Changed Reference Type https://curl.haxx.se/docs/adv_20161221A.html No Types Assigned https://curl.haxx.se/docs/adv_20161221A.html Vendor Advisory
    Changed Reference Type https://github.com/curl/curl/commit/curl-7_51_0-162-g3ab3c16 No Types Assigned https://github.com/curl/curl/commit/curl-7_51_0-162-g3ab3c16 Patch, Third Party Advisory
    Added CWE CWE-119
    Added CPE Configuration OR *cpe:2.3:a:haxx:curl:*:*:*:*:*:*:*:* versions up to (excluding) 7.52.0
  • CVE Modified by [email protected]

    Apr. 25, 2018

    Action Type Old Value New Value
    Added Reference https://security.gentoo.org/glsa/201701-47 [No Types Assigned]
    Added Reference http://www.securitytracker.com/id/1037515 [No Types Assigned]
    Added Reference http://www.securityfocus.com/bid/95019 [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.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2016-9586 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-2016-9586 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-100: Overflow Buffers Overflow Buffers CAPEC-123: Buffer Manipulation Buffer Manipulation CAPEC-92: Forced Integer Overflow Forced Integer Overflow
Exploit Prediction

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

1.16 }} 0.02%

score

0.85058

percentile

CVSS30 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
: