Apple macOS up to 10.13.3 curl out-of-bounds

CVSS Meta Temp Score
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CTI Interest Score
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7.7$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, has been found in Apple macOS up to 10.13.3. Affected by this issue is some unknown functionality of the component curl. Performing a manipulation results in out-of-bounds. This vulnerability is known as CVE-2017-8817. Remote exploitation of the attack is possible. No exploit is available. It is recommended to apply a patch to fix this issue.

Detailsinfo

A vulnerability, which was classified as critical, was found in Apple macOS up to 10.13.3 (Operating System). This affects an unknown functionality of the component curl. The manipulation with an unknown input leads to a out-of-bounds vulnerability. CWE is classifying the issue as CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

The FTP wildcard function in curl and libcurl before 7.57.0 allows remote attackers to cause a denial of service (out-of-bounds read and application crash) or possibly have unspecified other impact via a string that ends with an [ character.

The bug was discovered 11/29/2017. The weakness was published 01/26/2018 as HT208465 as confirmed advisory (Website). It is possible to read the advisory at support.apple.com. This vulnerability is uniquely identified as CVE-2017-8817 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 out-of-bounds read issue existed in the curl. This issue was addressed through improved bounds checking.

The vulnerability scanner Nessus provides a plugin with the ID 104861 (Debian DSA-4051-1 : curl - security update), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Debian Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 370738 (Apple macOS High Sierra 10.13.3, Security Update 2018-001 Sierra, and Security Update 2018-001 El Capitan Not Installed (Meltdown)).

Applying a patch is able to eliminate this problem. A possible mitigation has been published even before and not after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (104861) and SecurityFocus (BID 102057†). Similar entries are available at VDB-110053, VDB-110054, VDB-111325 and VDB-112574. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.0
VulDB Meta Temp Score: 7.9

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

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Out-of-bounds
CWE: CWE-125 / CWE-119
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: 104861
Nessus Name: Debian DSA-4051-1 : curl - security update
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 71145
OpenVAS Name: Apple Mac OS X Multiple Vulnerabilities-01 (HT208465)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Timelineinfo

05/07/2017 🔍
11/29/2017 +206 days 🔍
11/29/2017 +0 days 🔍
11/29/2017 +0 days 🔍
11/30/2017 +1 days 🔍
01/23/2018 +54 days 🔍
01/26/2018 +3 days 🔍
01/28/2018 +2 days 🔍
02/02/2021 +1101 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT208465
Researcher: Adam Mariš
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2017-8817 (🔍)
GCVE (CVE): GCVE-0-2017-8817
GCVE (VulDB): GCVE-100-112575

OVAL: 🔍

SecurityFocus: 102057 - cURL/libcURL CVE-2017-8817 Memory Corruption Vulnerability
SecurityTracker: 1039897

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

Entryinfo

Created: 01/28/2018 18:53
Updated: 02/02/2021 07:36
Changes: 01/28/2018 18:53 (80), 12/31/2019 07:03 (5), 02/02/2021 07:32 (3), 02/02/2021 07:36 (1)
Complete: 🔍
Cache ID: 216:BE4:103

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