CVE-2019-19204: Buffer Overflow
First published: Wed Nov 06 2019(Updated: )
An issue was discovered in Oniguruma 6.x before 6.9.4_rc2. In the function fetch_interval_quantifier (formerly known as fetch_range_quantifier) in regparse.c, PFETCH is called without checking PEND. This leads to a heap-based buffer over-read.
Credit: cve@mitre.org cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| redhat/rh-php73-php | <0:7.3.20-1.el7 | 0:7.3.20-1.el7 |
| Oniguruma Project Oniguruma | >=6.0.0<6.9.4 | |
| Oniguruma Project Oniguruma | =6.9.4-rc1 | |
| Debian Debian Linux | =8.0 | |
| Fedoraproject Fedora | =30 | |
| Fedoraproject Fedora | =31 | |
| redhat/Oniguruma | <6.9.4 | 6.9.4 |
| IBM IBM® Db2® on Cloud Pak for Data and Db2 Warehouse on Cloud Pak for Data | <=v3.5 through refresh 10v4.0 through refresh 9v4.5 through refresh 3v4.6 through refresh 6v4.7 through refresh 4v4.8 through refresh 4 | |
| debian/libonig | 6.9.6-1.1 6.9.8-1 6.9.9-1 |
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Reference Links
- https://www.cve.org/CVERecord?id=CVE-2019-19204 https://nvd.nist.gov/vuln/detail/CVE-2019-19204
- https://bugzilla.redhat.com/show_bug.cgi?id=1802068
- https://access.redhat.com/errata/RHSA-2020:3662
- https://access.redhat.com/errata/RHSA-2020:5275
- https://access.redhat.com/security/cve/cve-2019-19204
- https://github.com/ManhNDd/CVE-2019-19204
- https://github.com/kkos/oniguruma/issues/162
- https://github.com/kkos/oniguruma/releases/tag/v6.9.4_rc2
- https://github.com/tarantula-team/CVE-2019-19204
- https://lists.debian.org/debian-lts-announce/2019/12/msg00002.html
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/NO267PLHGYZSWX3XTRPKYBKD4J3YOU5V/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/V3MBNW6Z4DOXSCNWGBLQ7OA3OGUJ44WL/
- https://usn.ubuntu.com/4460-1/
- https://launchpad.net/bugs/cve/CVE-2019-19204
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NO267PLHGYZSWX3XTRPKYBKD4J3YOU5V/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/V3MBNW6Z4DOXSCNWGBLQ7OA3OGUJ44WL/
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1802072
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1802073
- https://github.com/kkos/oniguruma/commit/6eb4aca6a7f2f60f473580576d86686ed6a6ebec
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1802068#c2
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1814169
- https://github.com/ruby/ruby/commit/2873edeafb6f6df1fc99bb9b1167591b99dd378c
- https://github.com/k-takata/Onigmo/commit/29e7e6aedebafd5efbbd90655c8e0d495035d7b4
- https://access.redhat.com/errata/RHSA-2024:0409
- https://access.redhat.com/errata/RHSA-2024:0572
- https://access.redhat.com/errata/RHSA-2024:0889
- https://exchange.xforce.ibmcloud.com/vulnerabilities/172169
- https://www.ibm.com/support/pages/node/7155078 (Advisory)
- https://security-tracker.debian.org/tracker/CVE-2019-19204
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-19204
- https://nvd.nist.gov/vuln/detail/CVE-2019-19204
- https://ubuntu.com/security/CVE-2019-19204
Frequently Asked Questions
What is CVE-2019-19204?
CVE-2019-19204 is an out-of-bounds read vulnerability in the Oniguruma library.
How does CVE-2019-19204 affect me?
If you are using an application linked to the Oniguruma library, a remote attacker could crash the application by providing a malformed regular expression.
What is the severity of CVE-2019-19204?
CVE-2019-19204 has a severity rating of 7, indicating a high severity.
How do I fix CVE-2019-19204?
To fix CVE-2019-19204, you should update the affected software to version 6.9.4 or later.
Where can I find more information about CVE-2019-19204?
You can find more information about CVE-2019-19204 on the CVE website (https://www.cve.org/CVERecord?id=CVE-2019-19204) and the NVD website (https://nvd.nist.gov/vuln/detail/CVE-2019-19204).
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