CVE-2019-13118: Input Validation

Published Jul 1, 2019
·
Updated

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.

Other sources

libxslt. A stack overflow was addressed with improved input validation.

Credit

found by OSS-Fuzz

Affected Software

47 affected componentsFixes available
Apple tvOS<12.4
12.4
Apple macOS Mojave<10.14.6
10.14.6
Apple High Sierra
Apple Sierra
Apple WatchOS<5.3
5.3
Apple iCloud for Windows<7.13
7.13
Apple iCloud for Windows<10.6
10.6
Apple iTunes for Windows<12.9.6
12.9.6
Apple iOS<12.4
12.4
Xmlsoft Libxslt=1.1.33
openSUSE Leap=15.1
NetApp Active Iq Unified Manager Vmware Vsphere
NetApp Active Iq Unified Manager Windows
NetApp Cloud Backup
NetApp Clustered Data ONTAP
NetApp E-series Performance Analyzer
NetApp E-series Santricity Management Plug-ins Vmware Vcenter
NetApp E-Series SANtricity OS Controller>=11.0<=11.50.2
NetApp E-series Santricity Storage Manager
NetApp E-series Santricity Web Services Web Services Proxy
NetApp OnCommand Insight
NetApp OnCommand Workflow Automation
NetApp ONTAP Select Deploy administration utility
NetApp Plug-in For Symantec Netbackup
NetApp Santricity Unified Manager
NetApp Steelstore Cloud Integrated Storage
Oracle JDK=1.8.0-update231
Fedoraproject Fedora=31
Canonical Ubuntu Linux=12.04
Canonical Ubuntu Linux=14.04
Canonical Ubuntu Linux=16.04
Canonical Ubuntu Linux=18.04
Canonical Ubuntu Linux=19.04
Canonical Ubuntu Linux=19.10
Apple Icloud Windows<7.13
Apple Icloud Windows>=10.0<10.6
Apple Itunes Windows<12.9.6
Apple iPhone OS<12.4
Apple iOS and macOS=10.12.6-security_update_2019-001
Apple iOS and macOS=10.12.6-security_update_2019-002
Apple iOS and macOS=10.12.6-security_update_2019-003
Apple iOS and macOS=10.13.6-security_update_2019-001
Apple iOS and macOS=10.13.6-security_update_2019-002
Apple iOS and macOS=10.13.6-security_update_2019-003
Apple macOS>=10.4.6<10.14.6
Apple tvOS<12.4
debian/libxslt
1.1.34-4+deb11u11.1.34-4+deb11u31.1.35-1+deb12u41.1.35-1+deb12u31.1.35-1.2+deb13u31.1.35-1.2+deb13u21.1.45-0.1

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade tvOS to a version that resolves this vulnerability.

    Fixed in 12.4
  2. Upgrade

    Upgrade macOS Mojave to a version that resolves this vulnerability.

    Fixed in 10.14.6
  3. Upgrade

    Upgrade Apple iOS, iPadOS, and watchOS to a version that resolves this vulnerability.

    Fixed in 5.3
  4. Upgrade

    Upgrade Apple iCloud to a version that resolves this vulnerability.

    Fixed in 7.13
  5. Upgrade

    Upgrade Apple iCloud to a version that resolves this vulnerability.

    Fixed in 10.6
  6. Upgrade

    Upgrade iTunes to a version that resolves this vulnerability.

    Fixed in 12.9.6
  7. Upgrade

    Upgrade Apple iOS and iPadOS to a version that resolves this vulnerability.

    Fixed in 12.4
  8. Upgrade

    Upgrade debian/libxslt to a version that resolves this vulnerability.

    Fixed in 1.1.34-4+deb11u1Fixed in 1.1.34-4+deb11u3Fixed in 1.1.35-1+deb12u4Fixed in 1.1.35-1+deb12u3Fixed in 1.1.35-1.2+deb13u3Fixed in 1.1.35-1.2+deb13u2Fixed in 1.1.45-0.1

Event History

Jul 1, 2019
CVE Published
via MITRE·01:27 AM
Data Sourced
via MITRE·01:27 AM
Description
Data Sourced
via NVD·02:15 AM
RemedyDescriptionSeverityWeaknessAffected Software
Data Sourced
via OSV·02:15 AM
DescriptionSeverity

Parent advisories

This vulnerability appears in the following advisories.

Peer vulnerabilities

Found alongside the following vulnerabilities.

Frequently Asked Questions

1

What is CVE-2019-13118?

CVE-2019-13118 is a vulnerability in libxslt that allows for a stack overflow due to improved input validation.

2

What is the severity of CVE-2019-13118?

The severity of CVE-2019-13118 is medium with a CVSS score of 5.3.

3

Which software is affected by CVE-2019-13118?

The affected software includes libxslt 1.1.33, opensuse leap 15.1, NetApp Active IQ Unified Manager, NetApp Cloud Backup, NetApp Clustered Data ONTAP, NetApp E-Series Performance Analyzer, NetApp E-Series SANtricity Management Plug-ins, NetApp E-Series SANtricity OS Controller (versions 11.0 to 11.50.2), NetApp E-Series SANtricity Storage Manager, NetApp E-Series SANtricity Web Services, NetApp OnCommand Insight, NetApp OnCommand Workflow Automation, NetApp ONTAP Select Deploy Administration Utility, NetApp Plug-in for Symantec NetBackup, NetApp SANtricity Unified Manager, NetApp SteelStore Cloud Integrated Storage, Oracle JDK 1.8.0-update231, Fedora 31, Canonical Ubuntu Linux 12.04 (ESM), 14.04 (ESM), 16.04 (ESM), 18.04 (LTS), 19.04, and 19.10, Apple iCloud for Windows (up to version 7.13 and between versions 10.0 to 10.6), Apple iTunes for Windows (up to version 12.9.6), Apple iPhone OS (up to version 12.4), Apple macOS (up to version 10.14.6), Apple tvOS (up to version 12.4), and Apple watchOS (up to version 5.3).

4

How does CVE-2019-13118 impact libxslt 1.1.33?

CVE-2019-13118 can lead to a stack overflow in libxslt 1.1.33 due to an invalid character/length combination passed to xsltNumberFormatDecimal, which can result in a read of uninitialized stack data.

5

Are there any references for CVE-2019-13118?

Yes, there are references available for CVE-2019-13118. They can be found at the following URLs: [http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00062.html](http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00062.html) and [http://seclists.org/fulldisclosure/2019/Aug/11](http://seclists.org/fulldisclosure/2019/Aug/11).

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