CVE-2019-13225

medium

Description

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.

References

https://github.com/kkos/oniguruma/commit/c509265c5f6ae7264f7b8a8aae1cfa5fc59d108c

https://lists.fedoraproject.org/archives/list/[email protected]/message/JWCPDTZOIUKGMFAD5NAKUB7FPJFAIQN5/

https://lists.fedoraproject.org/archives/list/[email protected]/message/SNL26OZSQRVLEO6JRNUVIMZTICXBNEQW/

https://security.gentoo.org/glsa/201911-03

Details

Source: MITRE

Published: 2019-07-10

Updated: 2019-12-16

Type: CWE-476

Risk Information

CVSS v2

Base Score: 4.3

Vector: AV:N/AC:M/Au:N/C:N/I:N/A:P

Impact Score: 2.9

Exploitability Score: 8.6

Severity: MEDIUM

CVSS v3

Base Score: 6.5

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Impact Score: 3.6

Exploitability Score: 2.8

Severity: MEDIUM