RHSA-2022:7514 - Security Advisory

トピック

An update for fribidi is now available for Red Hat Enterprise Linux 8.

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.

説明

FriBidi is a library to handle bidirectional scripts (for example Hebrew, Arabic), so that the display is done in the proper way, while the text data itself is always written in logical order.

Security Fix(es):

• fribidi: Stack based buffer overflow (CVE-2022-25308)
• fribidi: Heap-buffer-overflow in fribidi_cap_rtl_to_unicode (CVE-2022-25309)
• fribidi: SEGV in fribidi_remove_bidi_marks (CVE-2022-25310)

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.

Additional Changes:

For detailed information on changes in this release, see the Red Hat Enterprise Linux 8.7 Release Notes linked from the References section.

解決策

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

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

影響を受ける製品

• Red Hat Enterprise Linux for x86_64 8 x86_64
• Red Hat Enterprise Linux for x86_64 - Extended Update Support 8.8 x86_64
• Red Hat Enterprise Linux for x86_64 - Extended Update Support Extension 8.8 x86_64
• Red Hat Enterprise Linux for IBM z Systems 8 s390x
• Red Hat Enterprise Linux for IBM z Systems - Extended Update Support 8.8 s390x
• Red Hat Enterprise Linux for Power, little endian 8 ppc64le
• Red Hat Enterprise Linux for Power, little endian - Extended Update Support 8.8 ppc64le
• Red Hat Enterprise Linux Server - TUS 8.8 x86_64
• Red Hat Enterprise Linux for ARM 64 8 aarch64
• Red Hat Enterprise Linux for ARM 64 - Extended Update Support 8.8 aarch64
• Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions 8.8 ppc64le
• Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions 8.8 x86_64
• Red Hat Enterprise Linux for x86_64 - Extended Life Cycle 8.10 x86_64
• Red Hat Enterprise Linux for ARM 64 - Extended Life Cycle 8.10 aarch64
• Red Hat Enterprise Linux for Power, little endian - Extended Life Cycle 8.10 ppc64le
• Red Hat Enterprise Linux for IBM z Systems - Extended Life Cycle 8.10 s390x

修正

• BZ - 2047890 - CVE-2022-25308 fribidi: Stack based buffer overflow
• BZ - 2047896 - CVE-2022-25309 fribidi: Heap-buffer-overflow in fribidi_cap_rtl_to_unicode
• BZ - 2047923 - CVE-2022-25310 fribidi: SEGV in fribidi_remove_bidi_marks

CVE

• CVE-2022-25308
• CVE-2022-25309
• CVE-2022-25310

参考資料

• https://access.redhat.com/security/updates/classification/#moderate
• https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/8/html/8.7_release_notes/index