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 was found in Apple macOS up to 10.12.1 and classified as critical. This impacts an unknown function of the component curl. Executing a manipulation can lead to input validation. This vulnerability appears as CVE-2016-8625. The attack may be performed from remote. There is no available exploit. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability has been found in Apple macOS up to 10.12.1 (Operating System) and classified as critical. This vulnerability affects an unknown code of the component curl. The manipulation with an unknown input leads to a input validation vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect integrity. CVE summarizes:

curl before version 7.51.0 uses outdated IDNA 2003 standard to handle International Domain Names and this may lead users to potentially and unknowingly issue network transfer requests to the wrong host.

The bug was discovered 09/14/2016. The weakness was presented 12/13/2016 by Christian Heimes as HT207423 as confirmed advisory (Website). The advisory is available at support.apple.com. This vulnerability was named CVE-2016-8625 since 10/12/2016. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. The technical details are unknown and an exploit is not 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 90 days. During that time the estimated underground price was around $5k-$25k. The vulnerability scanner Nessus provides a plugin with the ID 95917 (macOS 10.12.x < 10.12.2 Multiple Vulnerabilities), which helps to determine the existence of the flaw in a target environment. It is assigned to the family MacOS X Local Security Checks and running in the context c. 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 (95917) and SecurityFocus (BID 94107†). See VDB-87463, VDB-91385, VDB-91659 and VDB-93251 for similar entries. If you want to get best quality of vulnerability data, you may have to visit VulDB.

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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: 🔍
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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: 95917
Nessus Name: macOS 10.12.x < 10.12.2 Multiple Vulnerabilities
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: 🔍
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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 🔍
12/13/2016 +41 days 🔍
12/13/2016 +0 days 🔍
12/16/2016 +3 days 🔍
12/16/2016 +0 days 🔍
08/01/2018 +592 days 🔍
10/07/2022 +1528 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT207423
Researcher: Christian Heimes
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2016-8625 (🔍)
GCVE (CVE): GCVE-0-2016-8625
GCVE (VulDB): GCVE-100-94378
SecurityFocus: 94107 - cURL/libcURL CVE-2016-8625 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 23:53
Changes: 12/16/2016 14:12 (72), 07/08/2019 13:07 (14), 10/07/2022 23:40 (3), 10/07/2022 23:53 (12)
Complete: 🔍
Cache ID: 216:9CB:103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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