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7.5
HIGH CVSS 3.0
CVE-2016-8621
"curl Out-of-Bounds Read Vulnerability"
Description

The `curl_getdate` function in curl before version 7.51.0 is vulnerable to an out of bounds read if it receives an input with one digit short.

INFO

Published Date :

July 31, 2018, 10:29 p.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-2016-8621 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 MEDIUM [email protected]
CVSS 3.0 MEDIUM [email protected]
CVSS 3.0 HIGH [email protected]
Solution
This vulnerability can be remediated by updating the curl packages to a patched version.
  • Update curl packages to a non-vulnerable version.
  • Apply the latest vendor security updates.
Public PoC/Exploit Available at Github

CVE-2016-8621 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-2016-8621.

URL Resource
http://www.oracle.com/technetwork/security-advisory/cpuoct2018-4428296.html
http://www.securityfocus.com/bid/94101 Third Party Advisory VDB Entry
http://www.securitytracker.com/id/1037192 Third Party Advisory VDB Entry
https://access.redhat.com/errata/RHSA-2018:2486 Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:3558
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2016-8621 Issue Tracking Patch Third Party Advisory
https://curl.haxx.se/CVE-2016-8621.patch Patch Vendor Advisory
https://curl.haxx.se/docs/adv_20161102G.html Patch 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
http://www.securityfocus.com/bid/94101 Third Party Advisory VDB Entry
http://www.securitytracker.com/id/1037192 Third Party Advisory VDB Entry
https://access.redhat.com/errata/RHSA-2018:2486 Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:3558
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2016-8621 Issue Tracking Patch Third Party Advisory
https://curl.haxx.se/CVE-2016-8621.patch Patch Vendor Advisory
https://curl.haxx.se/docs/adv_20161102G.html Patch 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-2016-8621 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-2016-8621 weaknesses.

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-2016-8621 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-2016-8621 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/94101
    Added Reference http://www.securitytracker.com/id/1037192
    Added Reference https://access.redhat.com/errata/RHSA-2018:2486
    Added Reference https://access.redhat.com/errata/RHSA-2018:3558
    Added Reference https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2016-8621
    Added Reference https://curl.haxx.se/CVE-2016-8621.patch
    Added Reference https://curl.haxx.se/docs/adv_20161102G.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:N/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:N/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:N/A:N
    Added CWE Red Hat, Inc. CWE-125
  • 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]

    Oct. 05, 2018

    Action Type Old Value New Value
    Added CVSS V2 (AV:N/AC:L/Au:N/C:P/I:N/A:N)
    Added CVSS V3 AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
    Changed Reference Type http://www.securityfocus.com/bid/94101 No Types Assigned http://www.securityfocus.com/bid/94101 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/CVE-2016-8621.patch No Types Assigned https://curl.haxx.se/CVE-2016-8621.patch Patch, Vendor Advisory
    Changed Reference Type https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2016-8621 No Types Assigned https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2016-8621 Issue Tracking, Patch, Third Party 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://curl.haxx.se/docs/adv_20161102G.html No Types Assigned https://curl.haxx.se/docs/adv_20161102G.html Patch, Vendor Advisory
    Changed Reference Type http://www.securitytracker.com/id/1037192 No Types Assigned http://www.securitytracker.com/id/1037192 Third Party Advisory, VDB Entry
    Changed Reference Type https://access.redhat.com/errata/RHSA-2018:2486 No Types Assigned https://access.redhat.com/errata/RHSA-2018:2486 Third Party Advisory
    Added CWE CWE-125
    Added CPE Configuration OR *cpe:2.3:a:haxx:curl:*:*:*:*:*:*:*:* versions up to (excluding) 7.51.0
  • CVE Modified by [email protected]

    Aug. 17, 2018

    Action Type Old Value New Value
    Added Reference https://access.redhat.com/errata/RHSA-2018:2486 [No Types Assigned]
  • 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/94101 [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: 7.5
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact
Base CVSS Score: 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.

1.32 }} -0.44%

score

0.79081

percentile