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Fedora 33: Advisory for Gitit Update on CVE-2020-5238 DoS Threat

fedora
Calendar Grey September 28, 2020
Dist Fedora Esm H88
Essential security patch released for Gitit software in Fedora 33, targeting CVE-2020-5238 to mitigate possible denial-of-service vulnerabilities.
Security fix for CVE-2020-5238 - ghc-cmark-gfm updated to 0.2.2 which rebases the bundled cmark-gfm to 0.29.0.gfm.1 - also update pandoc-citeproc to 0.17.0.1 https://github.com/git...

Summary

Gitit is a wiki backed by a git, darcs, or mercurial filestore. Pages and

uploaded files can be modified either directly via the VCS's command-line tools

or through the wiki's web interface. Pandoc is used for markup processing, so

pages may be written in (extended) markdown, reStructuredText, LaTeX, HTML, or

literate Haskell, and exported in ten different formats, including LaTeX,

ConTeXt, DocBook, RTF, OpenOffice ODT, and MediaWiki markup.

Notable features include

* plugins: dynamically loaded page transformations written in Haskell (see

"Network.Gitit.Interface")

* conversion of TeX math to MathML for display in web browsers

* syntax highlighting of source code files and code snippets

* Atom feeds (site-wide and per-page)

* a library, "Network.Gitit", that makes it simple to include a gitit wiki in

any happstack application

You can see a running demo at .

For usage information: 'gitit --help'.

Security fix for CVE-2020-5238 - ghc-cmark-gfm updated to 0.2.2 which rebases

the bundled cmark-gfm to 0.29.0.gfm.1 - also update pandoc-citeproc to 0.17.0.1

https://github.com/github/cmark-gfm/security/advisories/GHSA-7gc6-9qr5-hc85

* Sat Sep 19 2020 Jens Petersen - 0.13.0.0-4

- rebuild for pandoc: cmark-gfm-0.2.2 fixes exponential parse (#1854329)

[ 1 ] Bug #1854328 - CVE-2020-5238 cmark: Exponential time to parse certain inputs could lead to DoS.

https://bugzilla.redhat.com/show_bug.cgi?id=1854328

su -c 'dnf upgrade --advisory FEDORA-2020-c39d7a562c' at the command

line. For more information, refer to the dnf documentation available at

https://dnf.readthedocs.io/en/latest/command_ref.html

All packages are signed with the Fedora Project GPG key. More details on the

GPG keys used by the Fedora Project can be found at

https://fedoraproject.org/security/

package-announce mailing list -- package-announce@lists.fedoraproject.org

To unsubscribe send an email to package-announce-leave@lists.fedoraproject.org

Fedora Code of Conduct: https://docs.fedoraproject.org/en-US/project/code-of-conduct/

List Guidelines: https://fedoraproject.org/wiki/Mailing_list_guidelines

List Archives: https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/

Change Log

References

Update Instructions

Severity
critical
Lowest
Low
Medium
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Critical

Product: Fedora 33
Version: 0.13.0.0
Release: 4.fc33
Summary: Wiki using happstack, git or darcs, and pandoc

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