RHSA-2022:5597 - Security Advisory

Topic

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

Red Hat Product Security has rated this update as having a security impact of Important. 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

Pandoc is a markdown/markup conversion tool. The version of pandoc in RHEL 8 CRB uses cmark-gfm (GitHub's extended version of the C reference implementation of CommonMark) for parts of its conversion. The update, fixes CVE-2022-24724: an integer overflow in cmark-gfm's table row parsing which may lead to heap memory corruption when parsing tables with more than UINT16_MAX columns.

Security Fix(es):

• cmark-gfm: possible RCE due to integer overflow (CVE-2022-24724)

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 CodeReady Linux Builder for x86_64 8 x86_64
• Red Hat CodeReady Linux Builder for Power, little endian 8 ppc64le
• Red Hat CodeReady Linux Builder for ARM 64 8 aarch64
• Red Hat CodeReady Linux Builder for IBM z Systems 8 s390x
• Red Hat CodeReady Linux Builder for x86_64 - Extended Update Support 8.8 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 8.8 ppc64le
• 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 8.8 s390x
• 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 8.8 aarch64
• Red Hat CodeReady Linux Builder for ARM 64 - Extended Update Support 8.6 aarch64

Fixes

• BZ - 2060662 - CVE-2022-24724 cmark-gfm: possible RCE due to integer overflow

CVEs

• CVE-2022-24724

References

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