CVE-2019-13225: Null Pointer Dereference
First published: Thu Jun 27 2019(Updated: )
A NULL Pointer Dereference in match_at() in regexec.c in Oniguruma 6.9.2 allows attackers to potentially cause denial of service by providing a crafted regular expression. Oniguruma issues often affect Ruby, as well as common optional libraries for PHP and Rust.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Oniguruma Project Oniguruma | =6.9.2 | |
| Fedoraproject Fedora | =29 | |
| Fedoraproject Fedora | =30 | |
| redhat/oniguruma | <0:6.8.2-2.el8 | 0:6.8.2-2.el8 |
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Reference Links
- https://www.cve.org/CVERecord?id=CVE-2019-13225 https://nvd.nist.gov/vuln/detail/CVE-2019-13225
- https://bugzilla.redhat.com/show_bug.cgi?id=1728965
- https://access.redhat.com/errata/RHSA-2020:3662
- https://access.redhat.com/errata/RHSA-2020:4827
- https://access.redhat.com/security/cve/cve-2019-13225
- https://github.com/kkos/oniguruma/commit/c509265c5f6ae7264f7b8a8aae1cfa5fc59d108c
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/JWCPDTZOIUKGMFAD5NAKUB7FPJFAIQN5/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/SNL26OZSQRVLEO6JRNUVIMZTICXBNEQW/
- https://security.gentoo.org/glsa/201911-03
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1728967
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1728966
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1728965#c0
- https://github.com/kkos/oniguruma/commit/
- https://src.fedoraproject.org/rpms/oniguruma/blob/f29/f/0100-Apply-CVE-2019-13325-fix-to-6.9.1.patch
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SNL26OZSQRVLEO6JRNUVIMZTICXBNEQW/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JWCPDTZOIUKGMFAD5NAKUB7FPJFAIQN5/
Frequently Asked Questions
What is CVE-2019-13225?
CVE-2019-13225 is a vulnerability in the Oniguruma library that allows attackers to potentially cause denial of service by providing a crafted regular expression.
Which software is affected by CVE-2019-13225?
Oniguruma 6.9.2 is affected by CVE-2019-13225. It often affects Ruby, as well as common optional libraries for PHP and Rust.
What is the severity of CVE-2019-13225?
The severity of CVE-2019-13225 is medium, with a severity value of 6.5.
How can I fix CVE-2019-13225?
To fix CVE-2019-13225, update the Oniguruma library to version 6.9.3 or higher.
Where can I find more information about CVE-2019-13225?
You can find more information about CVE-2019-13225 in the references provided: - [https://github.com/kkos/oniguruma/commit/c509265c5f6ae7264f7b8a8aae1cfa5fc59d108c](https://github.com/kkos/oniguruma/commit/c509265c5f6ae7264f7b8a8aae1cfa5fc59d108c) - [https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1728967](https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1728967) - [https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1728966](https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1728966)
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