Apple macOS up to 10.14.5 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 has been found in Apple macOS up to 10.14.5 and classified as critical. This affects an unknown function of the component libxslt. The manipulation leads to input validation. This vulnerability is referenced as CVE-2019-13118. Remote exploitation of the attack is possible. No exploit is available. The affected component should be upgraded.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Apple macOS up to 10.14.5 (Operating System). This issue affects an unknown part of the component libxslt. The manipulation with an unknown input leads to a input validation vulnerability. Using CWE to declare the problem leads to 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. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

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 published 07/22/2019 as HT210348 as confirmed advisory (Website). It is possible to read the advisory at support.apple.com. The identification of this vulnerability is CVE-2019-13118 since 06/30/2019. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. The technical details are unknown and an exploit is not publicly available. The advisory points out:

A stack overflow was addressed with improved input validation.

Upgrading to version 10.14.6 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

Similar entries are available at VDB-137112, VDB-137113, VDB-138544 and VDB-138560. Be aware that VulDB is the high quality source for vulnerability data.

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

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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: macOS 10.14.6
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: HT210348
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2019-13118 (🔍)
GCVE (CVE): GCVE-0-2019-13118
GCVE (VulDB): GCVE-100-138575
scip Labs: https://www.scip.ch/en/?labs.20180712
See also: 🔍

Entryinfo

Created: 07/24/2019 15:13
Updated: 05/29/2026 06:53
Changes: 07/24/2019 15:13 (63), 07/10/2020 16:44 (3), 11/06/2023 14:42 (4), 05/29/2026 06:53 (30)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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