Vulnerability Description
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.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Oniguruma Project | Oniguruma | >= 6.0.0, < 6.9.4 |
| Debian | Debian Linux | 8.0 |
| Fedoraproject | Fedora | 30 |
Related Weaknesses (CWE)
References
- https://github.com/ManhNDd/CVE-2019-19204ExploitThird Party Advisory
- https://github.com/kkos/oniguruma/issues/162ExploitPatchThird Party Advisory
- https://github.com/kkos/oniguruma/releases/tag/v6.9.4_rc2Release Notes
- https://github.com/tarantula-team/CVE-2019-19204Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2019/12/msg00002.htmlThird Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://usn.ubuntu.com/4460-1/
- https://github.com/ManhNDd/CVE-2019-19204ExploitThird Party Advisory
- https://github.com/kkos/oniguruma/issues/162ExploitPatchThird Party Advisory
- https://github.com/kkos/oniguruma/releases/tag/v6.9.4_rc2Release Notes
- https://github.com/tarantula-team/CVE-2019-19204Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2019/12/msg00002.htmlThird Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
FAQ
What is CVE-2019-19204?
CVE-2019-19204 is a vulnerability with a CVSS score of 7.5 (HIGH). 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. T...
How severe is CVE-2019-19204?
CVE-2019-19204 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2019-19204?
Check the references section above for vendor advisories and patch information. Affected products include: Oniguruma Project Oniguruma, Debian Debian Linux, Fedoraproject Fedora.