Moderate: oniguruma security update

Topic

An update for oniguruma is now available for Red Hat Enterprise Linux 8.6 Extended Update Support.

Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

Description

Oniguruma is a regular expressions library that supports a variety of character encodings.

Security Fix(es):

• oniguruma: Use-after-free in onig_new_deluxe() in regext.c (CVE-2019-13224)
• oniguruma: Stack exhaustion in regcomp.c because of recursion in regparse.c (CVE-2019-16163)
• oniguruma: integer overflow in search_in_range function in regexec.c leads to out-of-bounds read (CVE-2019-19012)
• oniguruma: Heap-based buffer over-read in function gb18030_mbc_enc_len in file gb18030.c (CVE-2019-19203)
• oniguruma: Heap-based buffer over-read in function fetch_interval_quantifier in regparse.c (CVE-2019-19204)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Solution

For details on how to apply this update, which includes the changes described in this advisory, refer to:

https://access.redhat.com/articles/11258

Affected Products

• Red Hat Enterprise Linux for x86_64 - Extended Update Support 8.6 x86_64
• Red Hat Enterprise Linux Server - AUS 8.6 x86_64
• Red Hat Enterprise Linux for IBM z Systems - Extended Update Support 8.6 s390x
• Red Hat Enterprise Linux for Power, little endian - Extended Update Support 8.6 ppc64le
• Red Hat Enterprise Linux Server - TUS 8.6 x86_64
• Red Hat Enterprise Linux for ARM 64 - Extended Update Support 8.6 aarch64
• Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions 8.6 ppc64le
• Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions 8.6 x86_64
• Red Hat CodeReady Linux Builder for x86_64 - Extended Update Support 8.6 x86_64
• Red Hat CodeReady Linux Builder for Power, little endian - Extended Update Support 8.6 ppc64le
• Red Hat CodeReady Linux Builder for IBM z Systems - Extended Update Support 8.6 s390x
• Red Hat CodeReady Linux Builder for ARM 64 - Extended Update Support 8.6 aarch64

Fixes

• BZ - 1728970 - CVE-2019-13224 oniguruma: Use-after-free in onig_new_deluxe() in regext.c
• BZ - 1768997 - CVE-2019-16163 oniguruma: Stack exhaustion in regcomp.c because of recursion in regparse.c
• BZ - 1802051 - CVE-2019-19012 oniguruma: integer overflow in search_in_range function in regexec.c leads to out-of-bounds read
• BZ - 1802061 - CVE-2019-19203 oniguruma: Heap-based buffer over-read in function gb18030_mbc_enc_len in file gb18030.c
• BZ - 1802068 - CVE-2019-19204 oniguruma: Heap-based buffer over-read in function fetch_interval_quantifier in regparse.c

CVEs

• CVE-2019-13224
• CVE-2019-16163
• CVE-2019-19012
• CVE-2019-19203
• CVE-2019-19204

References

• https://access.redhat.com/security/updates/classification/#moderate