NULL pointer dereference in Oniguruma - CVE-2019-13225

 

NULL pointer dereference in Oniguruma - CVE-2019-13225

Published: September 6, 2019


Vulnerability identifier: #VU20906
CSH Severity: Low
CVSS v4: 5.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2019-13225
CWE-ID: CWE-476
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a NULL pointer dreference error in match_at() function  in regcomp.c in Oniguruma library. A remote attacker can perform a denial of service (DoS) attack.


Affected software

Oniguruma
Gentoo Linux
Amazon Linux AMI
SUSE Linux Enterprise Server for SAP Applications 15
SUSE Linux Enterprise Server 15
SUSE Linux Enterprise Real Time 15
SUSE Linux Enterprise High Performance Computing 15
SUSE Linux Enterprise Desktop 15
SUSE Linux Enterprise Micro
SUSE Linux Enterprise Micro for Rancher
Fedora
Red Hat Enterprise Linux for Power, little endian
Red Hat Enterprise Linux for ARM 64
Red Hat Enterprise Linux for IBM z Systems
Red Hat Enterprise Linux for x86_64
Red Hat CodeReady Linux Builder for x86_64
Red Hat CodeReady Linux Builder for Power, little endian
Red Hat CodeReady Linux Builder for ARM 64
Red Hat Enterprise Linux for x86_64 - Extended Update Support
Red Hat Enterprise Linux Server - AUS
Red Hat Enterprise Linux for IBM z Systems - Extended Update Support
Red Hat Enterprise Linux for Power, little endian - Extended Update Support
Red Hat Enterprise Linux Server - TUS
Red Hat Enterprise Linux for ARM 64 - Extended Update Support
Basesystem Module
openSUSE Leap
libonig4-debuginfo
libonig4
oniguruma-debugsource
oniguruma-devel
oniguruma
oniguruma (Red Hat package)

How to mitigate CVE-2019-13225

Install update from vendor's website.

Oniguruma - update to 6.9.3
libonig4-debuginfo - update to 6.7.0-150000.3.6.1
libonig4 - update to 6.7.0-150000.3.6.1
oniguruma-debugsource - update to 6.7.0-150000.3.6.1
oniguruma-devel - update to 6.7.0-150000.3.6.1
oniguruma - addressed in versions 6.8.2-2.el7, 6.9.1-2.fc29, 6.9.2-2.fc30
oniguruma (Red Hat package) - update to 6.8.2-2.el8

External References

Related Security Bulletins