CVE-2019-13224
Critical
Description
A use-after-free in onig_new_deluxe() in regext.c in Oniguruma 6.9.2 allows attackers to potentially cause information disclosure, denial of service, or possibly code execution by providing a crafted regular expression. The attacker provides a pair of a regex pattern and a string, with a multi-byte encoding that gets handled by onig_new_deluxe(). Oniguruma issues often affect Ruby, as well as common optional libraries for PHP and Rust.
SeverityCritical
CVSS9.8
Exploit probability—
Product
Oniguruma
PublishedJul 10, 2019
First seenJul 10, 2019
How to fix
Update
- php php7.1.32, 7.2.23, 7.3.9 or later
Vendor advisories
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SNL26OZSQRVLEO6JRNUVIMZTICXBNEQW/
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JWCPDTZOIUKGMFAD5NAKUB7FPJFAIQN5/
- usn.ubuntu.com/4088-1/
- security.gentoo.org/glsa/201911-03
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| oniguruma_project oniguruma | 6.9.2 | — |
| php php | 7.1.0 ≤ v < 7.1.32, 7.2.0 ≤ v < 7.2.23, 7.3.0 ≤ v < 7.3.9 | 7.1.32, 7.2.23, 7.3.9 |
| fedoraproject fedora | 29, 30 | — |
| debian debian_linux | 8.0 | — |
| canonical ubuntu_linux | 12.04, 14.04 | — |
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