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RedHat: RHSA-2022:5597-01 Important: Pandoc Heap Corruption RCE Issue

red hat
Calendar Grey July 27, 2022
Dist Redhat Esm H88
Keep informed about the latest Red Hat pandoc security update tackling possible memory corruption and remote code execution vulnerabilities.
An update for pandoc is now available for Red Hat Enterprise Linux 8

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

Summary

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.

Topics%20covered

Topics Covered

security advisory red hat heap corruption software update important fix rce pandoc

References

https://access.redhat.com/security/cve/CVE-2022-24724 https://access.redhat.com/security/updates/classification#important

Package List

Red Hat CodeReady Linux Builder (v. 8):
Source: pandoc-2.0.6-6.el8_6.src.rpm
aarch64: pandoc-2.0.6-6.el8_6.aarch64.rpm
noarch: pandoc-common-2.0.6-6.el8_6.noarch.rpm
ppc64le: pandoc-2.0.6-6.el8_6.ppc64le.rpm
s390x: pandoc-2.0.6-6.el8_6.s390x.rpm
x86_64: pandoc-2.0.6-6.el8_6.x86_64.rpm
These packages are GPG signed by Red Hat for security. Our key and details on how to verify the signature are available from https://access.redhat.com/security/team/key


Severity
important
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2022:5597-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2022:5597
Issue date: 2022-07-18

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 impactof Important. A Common Vulnerability Scoring System (CVSS) base score,which gives a detailed severity rating, is available for each vulnerabilityfrom the CVE link(s) in the References section.

Topics%20covered

Topics Covered

security advisory red hat heap corruption software update important fix rce pandoc

Relevant Releases Architectures

Red Hat CodeReady Linux Builder (v. 8) - aarch64, noarch, ppc64le, s390x, x86_64

Bugs Fixed

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

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