Apple macOS up to 10.12.1 curl input validation

CVSS Meta Temp Score
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CTI Interest Score
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6.7$0-$5k0.00

Summaryinfo

A vulnerability has been found in Apple macOS up to 10.12.1 and classified as critical. This affects an unknown function of the component curl. Performing a manipulation results in input validation. This vulnerability is reported as CVE-2016-8624. The attack is possible to be carried out remotely. No exploit exists. The affected component should be upgraded.

Detailsinfo

A vulnerability, which was classified as critical, was found in Apple macOS up to 10.12.1 (Operating System). This affects an unknown part of the component curl. The manipulation with an unknown input leads to a input validation vulnerability. CWE is classifying the issue as CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. This is going to have an impact on integrity.

The bug was discovered 09/14/2016. The weakness was disclosed 12/13/2016 by Fernando Munoz as HT207423 as confirmed advisory (Website). The advisory is shared at support.apple.com. This vulnerability is uniquely identified as CVE-2016-8624 since 10/12/2016. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Neither technical details nor an exploit are publicly available. The advisory points out:

Multiple issues existed in curl. These issues were addressed by updating to curl version 7.51.0.

The vulnerability was handled as a non-public zero-day exploit for at least 51 days. During that time the estimated underground price was around $5k-$25k. The vulnerability scanner Nessus provides a plugin with the ID 94572 (SUSE SLES11 Security Update : curl (SUSE-SU-2016:2714-1)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family SuSE Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 157987 (Oracle Enterprise Linux Security Update for curl (ELSA-2019-4652)).

Upgrading to version 10.12.2 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (94572) and SecurityFocus (BID 94103†). The entries VDB-90449, VDB-91385, VDB-91680 and VDB-91681 are pretty similar. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.8
VulDB Meta Temp Score: 6.7

VulDB Base Score: 7.5
VulDB Temp Score: 7.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CNA Base Score: 5.3
CNA Vector (Red Hat, Inc.): 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Input validation
CWE: CWE-20
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 94572
Nessus Name: SUSE SLES11 Security Update : curl (SUSE-SU-2016:2714-1)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 801105
OpenVAS Name: Apple Mac OS X Multiple Vulnerabilities-01 February-2017
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Upgrade: macOS 10.12.2

Timelineinfo

09/14/2016 🔍
10/12/2016 +28 days 🔍
11/02/2016 +21 days 🔍
11/04/2016 +2 days 🔍
12/13/2016 +39 days 🔍
12/13/2016 +0 days 🔍
12/16/2016 +3 days 🔍
07/31/2018 +591 days 🔍
10/07/2022 +1529 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT207423
Researcher: Fernando Munoz
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2016-8624 (🔍)
GCVE (CVE): GCVE-0-2016-8624
GCVE (VulDB): GCVE-100-94377

OVAL: 🔍

SecurityFocus: 94103 - cURL/libcURL CVE-2016-8624 Remote Security Bypass Vulnerability
SecurityTracker: 1037192

scip Labs: https://www.scip.ch/en/?labs.20180712
See also: 🔍

Entryinfo

Created: 12/16/2016 14:12
Updated: 10/07/2022 23:30
Changes: 12/16/2016 14:12 (72), 07/08/2019 14:11 (14), 10/07/2022 23:03 (5), 10/07/2022 23:15 (12), 10/07/2022 23:30 (1)
Complete: 🔍
Cache ID: 216:08C:103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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