Apple iOS up to 12.2 StreamingZip link following

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.3$0-$5k0.00

Summaryinfo

A vulnerability was found in Apple iOS up to 12.2 and classified as critical. This issue affects some unknown processing of the component StreamingZip. Executing a manipulation can lead to link following. This vulnerability appears as CVE-2019-8568. The attack requires local access. There is no available exploit. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in Apple iOS up to 12.2 (Smartphone Operating System). It has been declared as critical. This vulnerability affects an unknown code of the component StreamingZip. The manipulation with an unknown input leads to a link following vulnerability. The CWE definition for the vulnerability is CWE-59. The product attempts to access a file based on the filename, but it does not properly prevent that filename from identifying a link or shortcut that resolves to an unintended resource. As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was presented 05/13/2019 by Dany Lisiansky as HT210118 as confirmed advisory (Website). The advisory is shared for download at support.apple.com. This vulnerability was named CVE-2019-8568 since 02/18/2019. The attack needs to be approached locally. A single authentication is needed for exploitation. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 06/07/2024). It is expected to see the exploit prices for this product increasing in the near future. The advisory points out:

A validation issue existed in the handling of symlinks. This issue was addressed with improved validation of symlinks.

The commercial vulnerability scanner Qualys is able to test this issue with plugin 371785 (Apple macOS Mojave 10.14.5, Security Update 2019-003 High Sierra, Security Update 2019-003 Sierra Not Installed (HT210119)).

Upgrading to version 12.3 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

See VDB-134865, VDB-134890, VDB-134891 and VDB-134892 for similar entries. Once again VulDB remains the best source for vulnerability data.

Productinfo

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Version

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.4
VulDB Meta Temp Score: 5.3

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.5
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Link following
CWE: CWE-59
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Upgrade: iOS 12.3

Timelineinfo

02/18/2019 🔍
05/13/2019 +84 days 🔍
05/13/2019 +0 days 🔍
05/15/2019 +2 days 🔍
06/07/2024 +1850 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT210118
Researcher: Dany Lisiansky
Status: Confirmed

CVE: CVE-2019-8568 (🔍)
GCVE (CVE): GCVE-0-2019-8568
GCVE (VulDB): GCVE-100-134908
scip Labs: https://www.scip.ch/en/?labs.20150917
See also: 🔍

Entryinfo

Created: 05/15/2019 09:09
Updated: 06/07/2024 08:09
Changes: 05/15/2019 09:09 (62), 06/11/2020 10:51 (2), 09/18/2023 14:59 (4), 06/07/2024 08:09 (16)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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