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CVE-2019-11046

3.7 · LOW

In PHP versions 7.2.x below 7.2.26, 7.3.x below 7.3.13 and 7.4.0, PHP bcmath extension functions on some systems, including Windows, can be tricked into reading beyond the allocated space by supply…

Published Dec 23, 2019CWE-125EPSS 4.12%

Overview

CVE-2019-11046 is a low-severity vulnerability. It was published on December 23, 2019 and has a CVSS 3.1 base score of 3.7 (LOW).

This vulnerability has a CVSS 3.1 base score of 3.7, rated LOW. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

In PHP versions 7.2.x below 7.2.26, 7.3.x below 7.3.13 and 7.4.0, PHP bcmath extension functions on some systems, including Windows, can be tricked into reading beyond the allocated space by supplying it with string containing characters that are identified as numeric by the OS but aren't ASCII numbers. This can read to disclosure of the content of some memory locations.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Reflists.opensuse.org/opensuse-security-announce/2020-01/msg00036.htmlRefbugs.php.net/bug.php?id=78878Reflists.debian.org/debian-lts-announce/2019/12/msg00034.htmlReflists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/N7GCOAE6KVHYJ3UQ4KLPLTGSLX6IRVRN/Reflists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XWRQPYXVG43Q7DXMXH6UVWMKWGUW552F/Refseclists.org/bugtraq/2020/Feb/27Refseclists.org/bugtraq/2020/Feb/31Refseclists.org/bugtraq/2021/Jan/3Refsecurity.netapp.com/advisory/ntap-20200103-0002/Refsupport.f5.com/csp/article/K48866433?utm_source=f5support&amp%3Butm_medium=RSS

How CyberStrike helps

Frequently asked questions

What is CVE-2019-11046?

CVE-2019-11046 is a low-severity vulnerability. It was published on December 23, 2019 and has a CVSS 3.1 base score of 3.7 (LOW).

How severe is CVE-2019-11046?

This vulnerability has a CVSS 3.1 base score of 3.7, rated LOW. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2019-11046?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2019-11046?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2019-11046 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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