SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2018-19395

ext/standard/var.c in PHP 5.x through 7.1.24 on Windows allows attackers to cause a denial of service (NULL pointer dereference and application crash) because com and com_safearray_proxy return NULL in com_properties_get in…

HIGH 7.5EPSS 4.33%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (4.33%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

ext/standard/var.c in PHP 5.x through 7.1.24 on Windows allows attackers to cause a denial of service (NULL pointer dereference and application crash) because com and com_safearray_proxy return NULL in com_properties_get in ext/com_dotnet/com_handlers.c, as demonstrated by a serialize call on COM("WScript.Shell").

CVSS 3.0
7.5 HIGHCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS
4.33% probability · 91th percentile
CISA KEV
Not listed
Weakness
CWE-476
Affected
php/php
Source
cve@mitre.org

References

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.