Apple Xcode up to 12.5.1 IDE Xcode Server resource consumption

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
6.0	$0-$5k	0.00

Summaryinfo

A vulnerability classified as problematic was found in Apple Xcode up to 12.5.1. Affected by this issue is some unknown functionality of the component IDE Xcode Server. The manipulation results in an unknown weakness. This vulnerability is reported as CVE-2018-16843. No exploit exists. Upgrading the affected component is advised.

Detailsinfo

A vulnerability, which was classified as problematic, was found in Apple Xcode up to 12.5.1 (Programming Tool Software). Affected is an unknown function of the component IDE Xcode Server. CWE is classifying the issue as CWE-400. The product does not properly control the allocation and maintenance of a limited resource, thereby enabling an actor to influence the amount of resources consumed, eventually leading to the exhaustion of available resources. The impact remains unknown.

The weakness was disclosed 09/20/2021 as HT212818 as confirmed advisory (Website). The advisory is available at support.apple.com. This vulnerability is traded as CVE-2018-16843. The technical details are unknown and an exploit is not available. The advisory points out:

Multiple issues in nginx

The commercial vulnerability scanner Qualys is able to test this issue with plugin 172102 (OpenSUSE Security Update for nginx (openSUSE-SU-2019:0195-1)).

Upgrading to version 13.0 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability. The advisory contains the following remark:

Multiple issues were addressed by updating nginx to version 1.21.0.

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

Productinfo

Type

Programming Tool Software

Vendor

Apple

Name

Xcode

Version

License

commercial

Website

Vendor: https://www.apple.com/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.1
VulDB Meta Temp Score: 6.0

VulDB Base Score: 5.5
VulDB Temp Score: 5.3
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: Resource consumption
CWE: CWE-400 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Upgrade: Xcode 13.0

Timelineinfo

09/11/2018 🔍
09/20/2021 +1105 days 🔍
09/20/2021 +0 days 🔍
09/21/2021 +1 days 🔍
08/02/2024 +1046 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT212818
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2018-16843 (🔍)
GCVE (CVE): GCVE-0-2018-16843
GCVE (VulDB): GCVE-100-183162
SecurityFocus: 105868
SecurityTracker: 1042038

Entryinfo

Created: 09/21/2021 12:45
Updated: 08/02/2024 04:20
Changes: 09/21/2021 12:45 (4), 09/21/2021 12:46 (13), 09/21/2021 12:49 (28), 09/30/2021 22:46 (5), 09/30/2021 22:55 (30), 09/30/2021 23:08 (1), 08/02/2024 04:20 (16)
Complete: 🔍
Cache ID: 216:F9C:103