Apple macOS up to 10.13.1 curl memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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6.1$0-$5k0.00

A vulnerability, which was classified as critical, was found in Apple macOS up to 10.13.1 (Operating System). Affected is an unknown function of the component curl. The manipulation with an unknown input leads to a memory corruption vulnerability. CWE is classifying the issue as CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. This is going to have an impact on confidentiality, integrity, and availability.

The bug was discovered 06/14/2017. The weakness was presented 10/31/2017 by Brian Carpenter as HT208221 as confirmed advisory (Website). The advisory is shared for download at support.apple.com. This vulnerability is traded as CVE-2017-1000101 since 10/03/2017. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available. The advisory points out:

An out-of-bounds read was addressed with improved bounds checking.

The vulnerability was handled as a non-public zero-day exploit for at least 65 days. During that time the estimated underground price was around $5k-$25k. The vulnerability scanner Nessus provides a plugin with the ID 102566 (openSUSE Security Update : curl (openSUSE-2017-951)), 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 276813 (Fedora Security Update for curl (FEDORA-2017-f2df9d7772)).

Upgrading to version 10.13.1 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (102566). See 105282, 105284, 108927 and 108928 for similar entries.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
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CVSSv3info

VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.2

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.5
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
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Exploitinginfo

Class: Memory corruption
CWE: CWE-119
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 102566
Nessus Name: openSUSE Security Update : curl (openSUSE-2017-951)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 53378
OpenVAS Name: Debian Security Advisory DSA 3992-1 (curl - security update)
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 10.13.1

Timelineinfo

06/14/2017 🔍
08/09/2017 +56 days 🔍
08/18/2017 +9 days 🔍
10/03/2017 +46 days 🔍
10/04/2017 +1 days 🔍
10/31/2017 +27 days 🔍
10/31/2017 +0 days 🔍
11/03/2017 +3 days 🔍
01/21/2021 +1175 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT208221
Researcher: Brian Carpenter
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2017-1000101 (🔍)
OVAL: 🔍

SecurityTracker: 1039117
SecurityFocus: 100249 - cURL CVE-2017-1000101 Out of Bounds Read Information Disclosure Vulnerability

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

Entryinfo

Created: 11/03/2017 15:12
Updated: 01/21/2021 20:12
Changes: 11/03/2017 15:12 (82), 12/03/2019 10:19 (5), 01/21/2021 20:12 (3)
Complete: 🔍

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