SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2017-5628

The MakeDay function in jsdate.c does not validate the month, leading to an integer overflow when parsing a specially crafted JS file.

HIGH 7.8EPSS 1.04%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (1.04%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

An issue was discovered in Artifex Software, Inc. MuJS before 8f62ea10a0af68e56d5c00720523ebcba13c2e6a. The MakeDay function in jsdate.c does not validate the month, leading to an integer overflow when parsing a specially crafted JS file.

CVSS 3.1
7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS
1.04% probability · 62th percentile
CISA KEV
Not listed
Weakness
CWE-190
Affected
artifex/mujs
Source
cve@mitre.org

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