CVE-2019-11046 Detail

Current 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.


View Analysis Description

Severity



CVSS 3.x Severity and Metrics:

NIST CVSS score
NIST: NVD
Base Score:  7.5 HIGH
Vector:  CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Nist CVSS score does not match with CNA score
CNA:  PHP Group
Base Score:  3.7 LOW
Vector:  CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N


NVD Analysts use publicly available information to associate vector strings and CVSS scores. We also display any CVSS information provided within the CVE List from the CNA.

Note: It is possible that the NVD CVSS may not match that of the CNA. The most common reason for this is that publicly available information does not provide sufficient detail or that information simply was not available at the time the CVSS vector string was assigned.

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00036.html
https://bugs.php.net/bug.php?id=78878 Mailing List  Patch  Vendor Advisory 
https://lists.debian.org/debian-lts-announce/2019/12/msg00034.html Mailing List  Third Party Advisory 
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/N7GCOAE6KVHYJ3UQ4KLPLTGSLX6IRVRN/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/XWRQPYXVG43Q7DXMXH6UVWMKWGUW552F/
https://seclists.org/bugtraq/2020/Feb/27
https://seclists.org/bugtraq/2020/Feb/31
https://security.netapp.com/advisory/ntap-20200103-0002/ Third Party Advisory 
https://support.f5.com/csp/article/K48866433?utm_source=f5support&utm_medium=RSS
https://usn.ubuntu.com/4239-1/
https://www.debian.org/security/2020/dsa-4626
https://www.debian.org/security/2020/dsa-4628

Weakness Enumeration

CWE-ID CWE Name Source
CWE-125 Out-of-bounds Read cwe source acceptance level NIST   Reference acceptance level PHP Group  

Known Affected Software Configurations Switch to CPE 2.2

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Change History

11 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2019-11046
NVD Published Date:
12/22/2019
NVD Last Modified:
01/03/2020
Source:
PHP Group