Apple macOS up to 10.13.4 curl integer overflow

CVSS Meta Temp Score
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CTI Interest Score
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8.5$0-$5k0.00

Summaryinfo

A vulnerability has been found in Apple macOS up to 10.13.4 and classified as critical. The impacted element is an unknown function of the component curl. Performing a manipulation results in integer overflow. This vulnerability is cataloged as CVE-2017-8816. It is possible to initiate the attack remotely. There is no exploit available. To fix this issue, it is recommended to deploy a patch.

Detailsinfo

A vulnerability, which was classified as critical, was found in Apple macOS up to 10.13.4 (Operating System). This affects an unknown part of the component curl. The manipulation with an unknown input leads to a integer overflow vulnerability. CWE is classifying the issue as CWE-190. The product performs a calculation that can produce an integer overflow or wraparound, when the logic assumes that the resulting value will always be larger than the original value. This can introduce other weaknesses when the calculation is used for resource management or execution control. This is going to have an impact on confidentiality, integrity, and availability.

The bug was discovered 11/29/2017. The weakness was shared 03/29/2018 by Alex with Tencent as HT208692 as confirmed advisory (Website). It is possible to read the advisory at support.apple.com. This vulnerability is uniquely identified as CVE-2017-8816 since 05/07/2017. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. It demands that the victim is doing some kind of user interaction. The technical details are unknown and an exploit is not publicly available. The advisory points out:

An integer overflow existed in curl. This issue was addressed through improved bounds checking.

The vulnerability scanner Nessus provides a plugin with the ID 105264 (GLSA-201712-04 : cURL: Multiple vulnerabilities), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Gentoo Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 351506 (Amazon Linux Security Advisory for curl: ALAS2-2019-1162).

Applying a patch is able to eliminate this problem. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (105264) and SecurityFocus (BID 106950†). The entries VDB-110053, VDB-110055, VDB-110394 and VDB-115411 are related to this item. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.6
VulDB Meta Temp Score: 8.5

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

NVD Base Score: 9.8
NVD Vector: 🔍

ADP CISA Base Score: 9.8
ADP CISA Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
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NVD Base Score: 🔍

Exploitinginfo

Class: Integer overflow
CWE: CWE-190 / CWE-189
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: 105264
Nessus Name: GLSA-201712-04 : cURL: Multiple vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 103040
OpenVAS Name: Apple MacOSX Security Updates(HT208692)-03
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

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

Timelineinfo

05/07/2017 🔍
11/29/2017 +206 days 🔍
11/29/2017 +0 days 🔍
12/15/2017 +16 days 🔍
03/29/2018 +104 days 🔍
03/29/2018 +0 days 🔍
03/31/2018 +2 days 🔍
02/06/2019 +312 days 🔍
04/16/2026 +2625 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT208692
Researcher: Alex
Organization: Tencent
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2017-8816 (🔍)
GCVE (CVE): GCVE-0-2017-8816
GCVE (VulDB): GCVE-100-115419

OVAL: 🔍

SecurityFocus: 106950 - cURL/libcURL Multiple Buffer Overflow Vulnerabilities
SecurityTracker: 1039896

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

Entryinfo

Created: 03/31/2018 21:27
Updated: 04/16/2026 00:00
Changes: 03/31/2018 21:27 (69), 01/19/2020 15:11 (16), 02/07/2021 14:34 (3), 04/16/2026 00:00 (26)
Complete: 🔍
Cache ID: 216::103

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