CVE-2019-19246 : Oniguruma through 6.9.3, as used in PHP 7.3.x and other products, has a heap-bas

Oniguruma through 6.9.3, as used in PHP 7.3.x and other products, has a heap-based buffer over-read in str_lower_case_match in regexec.c.

Published 2019-11-25 17:15:12

Updated 2022-08-29 20:03:48

Source MITRE

View at NVD, CVE.org

Products affected by CVE-2019-19246

Debian » Debian Linux » Version: 8.0
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
Matching versions
PHP » PHP
Versions from including (>=) 7.3.0 and before (<) 7.3.10
cpe:2.3:a:php:php:*:*:*:*:*:*:*:*
Matching versions
Canonical » Ubuntu Linux » Version: 14.04 ESM Edition
cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:*
Matching versions
Fedoraproject » Fedora » Version: 31
cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:*
Matching versions
Oniguruma Project » Oniguruma
Versions up to, including, (<=) 6.9.3
cpe:2.3:a:oniguruma_project:oniguruma:*:*:*:*:*:*:*:*
Matching versions

Top countries where our scanners detected CVE-2019-19246

Top open port discovered on systems with this issue 80

IPs affected by CVE-2019-19246 47,543

Threat actors abusing to this issue? Yes

Find out if you^* are affected by CVE-2019-19246!

^*Directly or indirectly through your vendors, service providers and 3rd parties. Powered by attack surface intelligence from SecurityScorecard.

EPSS FAQ

0.40%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 74 %

Percentile, the proportion of vulnerabilities that are scored at or less

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
5.0	MEDIUM	AV:N/AC:L/Au:N/C:N/I:N/A:P	10.0	2.9	NIST
Access Vector: Network Access Complexity: Low Authentication: None Confidentiality Impact: None Integrity Impact: None Availability Impact: Partial
7.5	HIGH	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H	3.9	3.6	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: None Scope: Unchanged Confidentiality: None Integrity: None Availability: High

CWE-125 Out-of-bounds Read

The product reads data past the end, or before the beginning, of the intended buffer.

Assigned by: nvd@nist.gov (Primary)

https://usn.ubuntu.com/4460-1/

USN-4460-1: Oniguruma vulnerabilities | Ubuntu security notices | Ubuntu
Third Party Advisory

CVEs referencing this url
https://bugs.php.net/bug.php?id=78559

PHP :: Sec Bug #78559 :: Heap buffer overflow in mb_eregi
Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/NO267PLHGYZSWX3XTRPKYBKD4J3YOU5V/

[SECURITY] Fedora 31 Update: oniguruma-6.9.4-1.fc31 - package-announce - Fedora Mailing-Lists
Third Party Advisory

CVEs referencing this url
https://lists.debian.org/debian-lts-announce/2019/12/msg00002.html

[SECURITY] [DLA 2020-1] libonig security update
Mailing List;Third Party Advisory

CVEs referencing this url
https://github.com/kkos/oniguruma/commit/d3e402928b6eb3327f8f7d59a9edfa622fec557b

fix heap-buffer-overflow · kkos/oniguruma@d3e4029 · GitHub
Patch;Third Party Advisory

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