Apple watchOS up to 5.2.1 libxslt type confusion

CVSS Meta Temp Score
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CTI Interest Score
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5.2$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic was found in Apple watchOS up to 5.2.1. Affected is an unknown function of the component libxslt. Executing a manipulation can lead to input validation. The identification of this vulnerability is CVE-2019-13118. The attack may be launched remotely. There is no exploit available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in Apple watchOS up to 5.2.1 (Smartwatch Operating System). It has been declared as problematic. This vulnerability affects an unknown function of the component libxslt. The manipulation with an unknown input leads to a input validation vulnerability. The CWE definition for the vulnerability is CWE-843. The product allocates or initializes a resource such as a pointer, object, or variable using one type, but it later accesses that resource using a type that is incompatible with the original type. As an impact it is known to affect confidentiality. CVE summarizes:

In numbers.c in libxslt 1.1.33, a type holding grouping characters of an xsl:number instruction was too narrow and an invalid character/length combination could be passed to xsltNumberFormatDecimal, leading to a read of uninitialized stack data.

The weakness was shared 07/22/2019 as HT210353 as confirmed advisory (Website). The advisory is shared for download at support.apple.com. This vulnerability was named CVE-2019-13118 since 06/30/2019. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are neither technical details nor an exploit publicly available. The advisory points out:

A stack overflow was addressed with improved input validation.

Upgrading to version 5.3 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The entries VDB-137112, VDB-137113, VDB-138537 and VDB-138538 are related to this item. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.2

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

NVD Base Score: 5.3
NVD Vector: 🔍

ADP CISA Base Score: 5.3
ADP CISA Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Type confusion
CWE: CWE-843
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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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Upgrade: watchOS 5.3
Patch: gitlab.gnome.org

Timelineinfo

06/30/2019 🔍
07/22/2019 +22 days 🔍
07/22/2019 +0 days 🔍
07/24/2019 +2 days 🔍
05/29/2026 +2501 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT210353
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2019-13118 (🔍)
GCVE (CVE): GCVE-0-2019-13118
GCVE (VulDB): GCVE-100-138544
See also: 🔍

Entryinfo

Created: 07/24/2019 15:02
Updated: 05/29/2026 06:53
Changes: 07/24/2019 15:02 (61), 07/10/2020 12:48 (3), 11/06/2023 13:20 (4), 05/29/2026 06:53 (30)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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